Adding upstream version 126.0.upstream/126.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

76 files changed, 2269 insertions, 463 deletions

diff --git a/accessible/android/AccessibleWrap.cpp b/accessible/android/AccessibleWrap.cpp
index 4ca06dea88..5b69866c05 100644
--- a/accessible/android/AccessibleWrap.cpp
+++ b/accessible/android/AccessibleWrap.cpp
@@ -356,7 +356,8 @@ void AccessibleWrap::SetVirtualViewID(Accessible* aAccessible,
 
 int32_t AccessibleWrap::GetAndroidClass(role aRole) {
 #define ROLE(geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, \
-             msaaRole, ia2Role, androidClass, iosIsElement, nameRule)       \
+             msaaRole, ia2Role, androidClass, iosIsElement, uiaControlType, \
+             nameRule)                                                      \
   case roles::geckoRole:                                                    \
     return androidClass;
 
diff --git a/accessible/android/Platform.cpp b/accessible/android/Platform.cpp
index 312dbc9636..788dc44284 100644
--- a/accessible/android/Platform.cpp
+++ b/accessible/android/Platform.cpp
@@ -65,7 +65,8 @@ void a11y::PlatformInit() {
 
   // Preload any roles that have localized versions
 #define ROLE(geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, \
-             msaaRole, ia2Role, androidClass, iosIsElement, nameRule)       \
+             msaaRole, ia2Role, androidClass, iosIsElement, uiaControlType, \
+             nameRule)                                                      \
   rv = stringBundle->GetStringFromName(stringRole, localizedStr);           \
   if (NS_SUCCEEDED(rv)) {                                                   \
     sLocalizedStrings.InsertOrUpdate(u##stringRole##_ns, localizedStr);     \
diff --git a/accessible/atk/AccessibleWrap.cpp b/accessible/atk/AccessibleWrap.cpp
index 522434561f..0f17fc59ee 100644
--- a/accessible/atk/AccessibleWrap.cpp
+++ b/accessible/atk/AccessibleWrap.cpp
@@ -582,7 +582,8 @@ AtkRole getRoleCB(AtkObject* aAtkObj) {
 #endif
 
 #define ROLE(geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, \
-             msaaRole, ia2Role, androidClass, iosIsElement, nameRule)       \
+             msaaRole, ia2Role, androidClass, iosIsElement, uiaControlType, \
+             nameRule)                                                      \
   case roles::geckoRole:                                                    \
     aAtkObj->role = atkRole;                                                \
     break;
diff --git a/accessible/base/ARIAMap.cpp b/accessible/base/ARIAMap.cpp
index bfc41db82e..d53592acf0 100644
--- a/accessible/base/ARIAMap.cpp
+++ b/accessible/base/ARIAMap.cpp
@@ -1094,7 +1094,7 @@ static const nsRoleMapEntry sWAIRoleMaps[] = {
   },
   { // rowgroup
     nsGkAtoms::rowgroup,
-    roles::GROUPING,
+    roles::ROWGROUP,
     kUseMapRole,
     eNoValue,
     eNoAction,
diff --git a/accessible/base/AccGroupInfo.cpp b/accessible/base/AccGroupInfo.cpp
index c3501dc36e..336ce9ecf5 100644
--- a/accessible/base/AccGroupInfo.cpp
+++ b/accessible/base/AccGroupInfo.cpp
@@ -292,6 +292,7 @@ uint32_t AccGroupInfo::TotalItemCount(Accessible* aContainer,
     case roles::MENUPOPUP:
     case roles::COMBOBOX:
     case roles::GROUPING:
+    case roles::ROWGROUP:
     case roles::TREE_TABLE:
     case roles::COMBOBOX_LIST:
     case roles::LISTBOX:
diff --git a/accessible/base/Asserts.cpp b/accessible/base/Asserts.cpp
index 729b4e1ea5..454eaffef6 100644
--- a/accessible/base/Asserts.cpp
+++ b/accessible/base/Asserts.cpp
@@ -12,7 +12,8 @@
 using namespace mozilla::a11y;
 
 #define ROLE(geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, \
-             msaaRole, ia2Role, androidClass, iosIsElement, nameRule)       \
+             msaaRole, ia2Role, androidClass, iosIsElement, uiaControlType, \
+             nameRule)                                                      \
   static_assert(                                                            \
       static_cast<uint32_t>(roles::geckoRole) ==                            \
           static_cast<uint32_t>(nsIAccessibleRole::ROLE_##geckoRole),       \
diff --git a/accessible/base/CachedTableAccessible.cpp b/accessible/base/CachedTableAccessible.cpp
index e780bd2a89..8f56352acd 100644
--- a/accessible/base/CachedTableAccessible.cpp
+++ b/accessible/base/CachedTableAccessible.cpp
@@ -35,7 +35,7 @@ class TablePartRule : public PivotRule {
         accRole == roles::TEXT || accRole == roles::TEXT_CONTAINER ||
         accRole == roles::SECTION ||
         // Row groups.
-        accRole == roles::GROUPING) {
+        accRole == roles::ROWGROUP) {
       // Walk inside these, but don't match them.
       return nsIAccessibleTraversalRule::FILTER_IGNORE;
     }
diff --git a/accessible/base/DocManager.cpp b/accessible/base/DocManager.cpp
index b7a5203e40..18bf9c0433 100644
--- a/accessible/base/DocManager.cpp
+++ b/accessible/base/DocManager.cpp
@@ -17,6 +17,7 @@
 #  include "Logging.h"
 #endif
 
+#include "mozilla/BasePrincipal.h"
 #include "mozilla/Components.h"
 #include "mozilla/EventListenerManager.h"
 #include "mozilla/PresShell.h"
@@ -464,7 +465,18 @@ DocAccessible* DocManager::CreateDocOrRootAccessible(Document* aDocument) {
     // XXXaaronl: ideally we would traverse the presshell chain. Since there's
     // no easy way to do that, we cheat and use the document hierarchy.
     parentDocAcc = GetDocAccessible(aDocument->GetInProcessParentDocument());
-    NS_ASSERTION(parentDocAcc, "Can't create an accessible for the document!");
+    // We should always get parentDocAcc except sometimes for background
+    // extension pages, where the parent has an invisible DocShell but the child
+    // does not. See bug 1888649.
+    NS_ASSERTION(
+        parentDocAcc ||
+            (BasePrincipal::Cast(aDocument->GetPrincipal())->AddonPolicy() &&
+             aDocument->GetInProcessParentDocument() &&
+             aDocument->GetInProcessParentDocument()->GetDocShell() &&
+             aDocument->GetInProcessParentDocument()
+                 ->GetDocShell()
+                 ->IsInvisible()),
+        "Can't create an accessible for the document!");
     if (!parentDocAcc) return nullptr;
   }
 
diff --git a/accessible/base/HTMLMarkupMap.h b/accessible/base/HTMLMarkupMap.h
index c607616518..3b422ac09c 100644
--- a/accessible/base/HTMLMarkupMap.h
+++ b/accessible/base/HTMLMarkupMap.h
@@ -376,7 +376,7 @@ MARKUPMAP(
 MARKUPMAP(time, New_HyperText, roles::TIME, Attr(xmlroles, time),
           AttrFromDOM(datetime, datetime))
 
-MARKUPMAP(tbody, nullptr, roles::GROUPING)
+MARKUPMAP(tbody, nullptr, roles::ROWGROUP)
 
 MARKUPMAP(
     td,
@@ -392,7 +392,7 @@ MARKUPMAP(
     },
     0)
 
-MARKUPMAP(tfoot, nullptr, roles::GROUPING)
+MARKUPMAP(tfoot, nullptr, roles::ROWGROUP)
 
 MARKUPMAP(
     th,
@@ -404,7 +404,7 @@ MARKUPMAP(
     },
     0)
 
-MARKUPMAP(thead, nullptr, roles::GROUPING)
+MARKUPMAP(thead, nullptr, roles::ROWGROUP)
 
 MARKUPMAP(
     tr,
diff --git a/accessible/base/RoleMap.h b/accessible/base/RoleMap.h
index 58cbb82165..6008dc4bbf 100644
--- a/accessible/base/RoleMap.h
+++ b/accessible/base/RoleMap.h
@@ -5,7 +5,7 @@
 // clang-format off
 /**
  * Usage: declare the macro ROLE()with the following arguments:
- * ROLE(geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, msaaRole, ia2Role, nameRule)
+ * ROLE(geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, msaaRole, ia2Role, iosIsElement, uiaControlType, nameRule)
  */
 
 ROLE(NOTHING,
@@ -18,6 +18,7 @@ ROLE(NOTHING,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::No,
+     UIA_CustomControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(MENUBAR,
@@ -30,6 +31,7 @@ ROLE(MENUBAR,
      ROLE_SYSTEM_MENUBAR,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_MenuBarControlTypeId,
      eNoNameRule)
 
 ROLE(SCROLLBAR,
@@ -42,6 +44,7 @@ ROLE(SCROLLBAR,
      ROLE_SYSTEM_SCROLLBAR,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_ScrollBarControlTypeId,
      eNameFromValueRule)
 
 ROLE(ALERT,
@@ -54,6 +57,7 @@ ROLE(ALERT,
      ROLE_SYSTEM_ALERT,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(INTERNAL_FRAME,
@@ -66,6 +70,7 @@ ROLE(INTERNAL_FRAME,
      IA2_ROLE_INTERNAL_FRAME,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_PaneControlTypeId,
      eNoNameRule)
 
 ROLE(MENUPOPUP,
@@ -78,6 +83,7 @@ ROLE(MENUPOPUP,
      ROLE_SYSTEM_MENUPOPUP,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_MenuControlTypeId,
      eNoNameRule)
 
 ROLE(MENUITEM,
@@ -90,6 +96,7 @@ ROLE(MENUITEM,
      ROLE_SYSTEM_MENUITEM,
      java::SessionAccessibility::CLASSNAME_MENUITEM,
      IsAccessibilityElementRule::Yes,
+     UIA_MenuItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(TOOLTIP,
@@ -102,6 +109,7 @@ ROLE(TOOLTIP,
      ROLE_SYSTEM_TOOLTIP,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::Yes,
+     UIA_ToolTipControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(APPLICATION,
@@ -114,6 +122,7 @@ ROLE(APPLICATION,
      ROLE_SYSTEM_APPLICATION,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_PaneControlTypeId,
      eNoNameRule)
 
 ROLE(DOCUMENT,
@@ -126,6 +135,7 @@ ROLE(DOCUMENT,
      ROLE_SYSTEM_DOCUMENT,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_DocumentControlTypeId,
      eNoNameRule)
 
 /**
@@ -147,6 +157,7 @@ ROLE(PANE,
      ROLE_SYSTEM_GROUPING,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_PaneControlTypeId,
      eNoNameRule)
 
 ROLE(DIALOG,
@@ -159,6 +170,7 @@ ROLE(DIALOG,
      ROLE_SYSTEM_DIALOG,
      java::SessionAccessibility::CLASSNAME_DIALOG,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_PaneControlTypeId,
      eNoNameRule)
 
 ROLE(GROUPING,
@@ -171,6 +183,7 @@ ROLE(GROUPING,
      ROLE_SYSTEM_GROUPING,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(SEPARATOR,
@@ -183,6 +196,7 @@ ROLE(SEPARATOR,
      ROLE_SYSTEM_SEPARATOR,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::Yes,
+     UIA_SeparatorControlTypeId,
      eNoNameRule)
 
 ROLE(TOOLBAR,
@@ -195,6 +209,7 @@ ROLE(TOOLBAR,
      ROLE_SYSTEM_TOOLBAR,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_ToolBarControlTypeId,
      eNoNameRule)
 
 ROLE(STATUSBAR,
@@ -207,6 +222,7 @@ ROLE(STATUSBAR,
      ROLE_SYSTEM_STATUSBAR,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(TABLE,
@@ -219,6 +235,7 @@ ROLE(TABLE,
      ROLE_SYSTEM_TABLE,
      java::SessionAccessibility::CLASSNAME_GRIDVIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TableControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(COLUMNHEADER,
@@ -231,6 +248,7 @@ ROLE(COLUMNHEADER,
      ROLE_SYSTEM_COLUMNHEADER,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_DataItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(ROWHEADER,
@@ -243,6 +261,7 @@ ROLE(ROWHEADER,
      ROLE_SYSTEM_ROWHEADER,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_HeaderItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(ROW,
@@ -255,6 +274,7 @@ ROLE(ROW,
      ROLE_SYSTEM_ROW,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_DataItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(CELL,
@@ -267,6 +287,7 @@ ROLE(CELL,
      ROLE_SYSTEM_CELL,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_DataItemControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(LINK,
@@ -279,6 +300,7 @@ ROLE(LINK,
      ROLE_SYSTEM_LINK,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfBrokenUp,
+     UIA_HyperlinkControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(LIST,
@@ -291,6 +313,7 @@ ROLE(LIST,
      ROLE_SYSTEM_LIST,
      java::SessionAccessibility::CLASSNAME_LISTVIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_ListControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(LISTITEM,
@@ -303,6 +326,7 @@ ROLE(LISTITEM,
      ROLE_SYSTEM_LISTITEM,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_ListItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(OUTLINE,
@@ -315,6 +339,7 @@ ROLE(OUTLINE,
      ROLE_SYSTEM_OUTLINE,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TreeControlTypeId,
      eNoNameRule)
 
 ROLE(OUTLINEITEM,
@@ -327,6 +352,7 @@ ROLE(OUTLINEITEM,
      ROLE_SYSTEM_OUTLINEITEM,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TreeItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(PAGETAB,
@@ -339,6 +365,7 @@ ROLE(PAGETAB,
      ROLE_SYSTEM_PAGETAB,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::Yes,
+     UIA_TabItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(PROPERTYPAGE,
@@ -351,6 +378,7 @@ ROLE(PROPERTYPAGE,
      ROLE_SYSTEM_PROPERTYPAGE,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_PaneControlTypeId,
      eNoNameRule)
 
 ROLE(GRAPHIC,
@@ -363,6 +391,7 @@ ROLE(GRAPHIC,
      ROLE_SYSTEM_GRAPHIC,
      java::SessionAccessibility::CLASSNAME_IMAGE,
      IsAccessibilityElementRule::Yes,
+     UIA_ImageControlTypeId,
      eNoNameRule)
 
 ROLE(STATICTEXT,
@@ -375,6 +404,7 @@ ROLE(STATICTEXT,
      ROLE_SYSTEM_STATICTEXT,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfParentIsntElementWithName,
+     UIA_TextControlTypeId,
      eNoNameRule)
 
 ROLE(TEXT_LEAF,
@@ -387,6 +417,7 @@ ROLE(TEXT_LEAF,
      ROLE_SYSTEM_TEXT,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfParentIsntElementWithName,
+     UIA_TextControlTypeId,
      eNoNameRule)
 
 ROLE(PUSHBUTTON,
@@ -399,6 +430,7 @@ ROLE(PUSHBUTTON,
      ROLE_SYSTEM_PUSHBUTTON,
      java::SessionAccessibility::CLASSNAME_BUTTON,
      IsAccessibilityElementRule::Yes,
+     UIA_ButtonControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(CHECKBUTTON,
@@ -411,6 +443,7 @@ ROLE(CHECKBUTTON,
      ROLE_SYSTEM_CHECKBUTTON,
      java::SessionAccessibility::CLASSNAME_CHECKBOX,
      IsAccessibilityElementRule::Yes,
+     UIA_CheckBoxControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(RADIOBUTTON,
@@ -423,6 +456,7 @@ ROLE(RADIOBUTTON,
      ROLE_SYSTEM_RADIOBUTTON,
      java::SessionAccessibility::CLASSNAME_RADIOBUTTON,
      IsAccessibilityElementRule::Yes,
+     UIA_RadioButtonControlTypeId,
      eNameFromSubtreeRule)
 
 // Equivalent of HTML select element with size="1". See also EDITCOMBOBOX.
@@ -436,6 +470,7 @@ ROLE(COMBOBOX,
      ROLE_SYSTEM_COMBOBOX,
      java::SessionAccessibility::CLASSNAME_SPINNER,
      IsAccessibilityElementRule::Yes,
+     UIA_ComboBoxControlTypeId,
      eNameFromValueRule)
 
 ROLE(PROGRESSBAR,
@@ -448,6 +483,7 @@ ROLE(PROGRESSBAR,
      ROLE_SYSTEM_PROGRESSBAR,
      java::SessionAccessibility::CLASSNAME_PROGRESSBAR,
      IsAccessibilityElementRule::Yes,
+     UIA_ProgressBarControlTypeId,
      eNameFromValueRule)
 
 ROLE(SLIDER,
@@ -460,6 +496,7 @@ ROLE(SLIDER,
      ROLE_SYSTEM_SLIDER,
      java::SessionAccessibility::CLASSNAME_SEEKBAR,
      IsAccessibilityElementRule::Yes,
+     UIA_SliderControlTypeId,
      eNameFromValueRule)
 
 ROLE(SPINBUTTON,
@@ -472,6 +509,7 @@ ROLE(SPINBUTTON,
      ROLE_SYSTEM_SPINBUTTON,
      java::SessionAccessibility::CLASSNAME_EDITTEXT,
      IsAccessibilityElementRule::Yes,
+     UIA_SpinnerControlTypeId,
      eNameFromValueRule)
 
 ROLE(DIAGRAM,
@@ -484,6 +522,7 @@ ROLE(DIAGRAM,
      ROLE_SYSTEM_DIAGRAM,
      java::SessionAccessibility::CLASSNAME_IMAGE,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_ImageControlTypeId,
      eNoNameRule)
 
 ROLE(ANIMATION,
@@ -496,6 +535,7 @@ ROLE(ANIMATION,
      ROLE_SYSTEM_ANIMATION,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(BUTTONDROPDOWN,
@@ -508,6 +548,7 @@ ROLE(BUTTONDROPDOWN,
      ROLE_SYSTEM_BUTTONDROPDOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::Yes,
+     UIA_SplitButtonControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(BUTTONMENU,
@@ -520,6 +561,7 @@ ROLE(BUTTONMENU,
      ROLE_SYSTEM_BUTTONMENU,
      java::SessionAccessibility::CLASSNAME_SPINNER,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_ButtonControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(WHITESPACE,
@@ -532,6 +574,7 @@ ROLE(WHITESPACE,
      ROLE_SYSTEM_WHITESPACE,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::No,
+     UIA_TextControlTypeId,
      eNoNameRule)
 
 ROLE(PAGETABLIST,
@@ -544,6 +587,7 @@ ROLE(PAGETABLIST,
      ROLE_SYSTEM_PAGETABLIST,
      java::SessionAccessibility::CLASSNAME_TABWIDGET,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TabControlTypeId,
      eNoNameRule)
 
 ROLE(CANVAS,
@@ -556,6 +600,7 @@ ROLE(CANVAS,
      IA2_ROLE_CANVAS,
      java::SessionAccessibility::CLASSNAME_IMAGE,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_ImageControlTypeId,
      eNoNameRule)
 
 ROLE(CHECK_MENU_ITEM,
@@ -568,6 +613,7 @@ ROLE(CHECK_MENU_ITEM,
      IA2_ROLE_CHECK_MENU_ITEM,
      java::SessionAccessibility::CLASSNAME_MENUITEM,
      IsAccessibilityElementRule::Yes,
+     UIA_MenuItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(DATE_EDITOR,
@@ -580,6 +626,7 @@ ROLE(DATE_EDITOR,
      IA2_ROLE_DATE_EDITOR,
      java::SessionAccessibility::CLASSNAME_SPINNER,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(CHROME_WINDOW,
@@ -592,6 +639,7 @@ ROLE(CHROME_WINDOW,
      IA2_ROLE_FRAME,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_WindowControlTypeId,
      eNoNameRule)
 
 ROLE(LABEL,
@@ -604,6 +652,7 @@ ROLE(LABEL,
      IA2_ROLE_LABEL,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(PASSWORD_TEXT,
@@ -616,6 +665,7 @@ ROLE(PASSWORD_TEXT,
      ROLE_SYSTEM_TEXT,
      java::SessionAccessibility::CLASSNAME_EDITTEXT,
      IsAccessibilityElementRule::Yes,
+     UIA_EditControlTypeId,
      eNoNameRule)
 
 ROLE(RADIO_MENU_ITEM,
@@ -628,6 +678,7 @@ ROLE(RADIO_MENU_ITEM,
      IA2_ROLE_RADIO_MENU_ITEM,
      java::SessionAccessibility::CLASSNAME_MENUITEM,
      IsAccessibilityElementRule::Yes,
+     UIA_MenuItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(TEXT_CONTAINER,
@@ -640,6 +691,7 @@ ROLE(TEXT_CONTAINER,
      IA2_ROLE_TEXT_FRAME,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(TOGGLE_BUTTON,
@@ -652,6 +704,7 @@ ROLE(TOGGLE_BUTTON,
      IA2_ROLE_TOGGLE_BUTTON,
      java::SessionAccessibility::CLASSNAME_TOGGLEBUTTON,
      IsAccessibilityElementRule::Yes,
+     UIA_ButtonControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(TREE_TABLE,
@@ -664,6 +717,7 @@ ROLE(TREE_TABLE,
      ROLE_SYSTEM_OUTLINE,
      java::SessionAccessibility::CLASSNAME_GRIDVIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_DataGridControlTypeId,
      eNoNameRule)
 
 ROLE(PARAGRAPH,
@@ -676,6 +730,7 @@ ROLE(PARAGRAPH,
      IA2_ROLE_PARAGRAPH,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TextControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(ENTRY,
@@ -688,6 +743,7 @@ ROLE(ENTRY,
      ROLE_SYSTEM_TEXT,
      java::SessionAccessibility::CLASSNAME_EDITTEXT,
      IsAccessibilityElementRule::Yes,
+     UIA_EditControlTypeId,
      eNameFromValueRule)
 
 ROLE(CAPTION,
@@ -700,6 +756,7 @@ ROLE(CAPTION,
      IA2_ROLE_CAPTION,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TextControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(NON_NATIVE_DOCUMENT,
@@ -712,6 +769,7 @@ ROLE(NON_NATIVE_DOCUMENT,
      ROLE_SYSTEM_DOCUMENT,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_DocumentControlTypeId,
      eNoNameRule)
 
 ROLE(HEADING,
@@ -724,6 +782,7 @@ ROLE(HEADING,
      IA2_ROLE_HEADING,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildless,
+     UIA_TextControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(SECTION,
@@ -736,6 +795,7 @@ ROLE(SECTION,
      IA2_ROLE_SECTION,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(FORM,
@@ -748,6 +808,7 @@ ROLE(FORM,
      IA2_ROLE_FORM,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(APP_ROOT,
@@ -760,6 +821,7 @@ ROLE(APP_ROOT,
      ROLE_SYSTEM_APPLICATION,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_WindowControlTypeId,
      eNoNameRule)
 
 ROLE(PARENT_MENUITEM,
@@ -772,6 +834,7 @@ ROLE(PARENT_MENUITEM,
      ROLE_SYSTEM_MENUITEM,
      java::SessionAccessibility::CLASSNAME_MENUITEM,
      IsAccessibilityElementRule::Yes,
+     UIA_MenuItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(COMBOBOX_LIST,
@@ -784,6 +847,7 @@ ROLE(COMBOBOX_LIST,
      ROLE_SYSTEM_LIST,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::No,
+     UIA_ListControlTypeId,
      eNoNameRule)
 
 ROLE(COMBOBOX_OPTION,
@@ -796,6 +860,7 @@ ROLE(COMBOBOX_OPTION,
      ROLE_SYSTEM_LISTITEM,
      java::SessionAccessibility::CLASSNAME_MENUITEM,
      IsAccessibilityElementRule::Yes,
+     UIA_ListItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(IMAGE_MAP,
@@ -808,6 +873,7 @@ ROLE(IMAGE_MAP,
      ROLE_SYSTEM_GRAPHIC,
      java::SessionAccessibility::CLASSNAME_IMAGE,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_ImageControlTypeId,
      eNoNameRule)
 
 ROLE(OPTION,
@@ -820,6 +886,7 @@ ROLE(OPTION,
      ROLE_SYSTEM_LISTITEM,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::Yes,
+     UIA_ListItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(RICH_OPTION,
@@ -832,6 +899,7 @@ ROLE(RICH_OPTION,
      ROLE_SYSTEM_LISTITEM,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_ListItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(LISTBOX,
@@ -844,6 +912,7 @@ ROLE(LISTBOX,
      ROLE_SYSTEM_LIST,
      java::SessionAccessibility::CLASSNAME_LISTVIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_ListControlTypeId,
      eNameFromValueRule)
 
 ROLE(FLAT_EQUATION,
@@ -856,6 +925,7 @@ ROLE(FLAT_EQUATION,
      ROLE_SYSTEM_EQUATION,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::Yes,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(GRID_CELL,
@@ -868,6 +938,7 @@ ROLE(GRID_CELL,
      ROLE_SYSTEM_CELL,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_DataItemControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(NOTE,
@@ -880,6 +951,7 @@ ROLE(NOTE,
      IA2_ROLE_NOTE,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(FIGURE,
@@ -892,6 +964,7 @@ ROLE(FIGURE,
      ROLE_SYSTEM_GROUPING,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(CHECK_RICH_OPTION,
@@ -904,6 +977,7 @@ ROLE(CHECK_RICH_OPTION,
      ROLE_SYSTEM_CHECKBUTTON,
      java::SessionAccessibility::CLASSNAME_CHECKBOX,
      IsAccessibilityElementRule::Yes,
+     UIA_CheckBoxControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(DEFINITION_LIST,
@@ -916,6 +990,7 @@ ROLE(DEFINITION_LIST,
      ROLE_SYSTEM_LIST,
      java::SessionAccessibility::CLASSNAME_LISTVIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_ListControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(TERM,
@@ -928,6 +1003,7 @@ ROLE(TERM,
      ROLE_SYSTEM_LISTITEM,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TextControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(DEFINITION,
@@ -940,6 +1016,7 @@ ROLE(DEFINITION,
      IA2_ROLE_PARAGRAPH,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(KEY,
@@ -952,6 +1029,7 @@ ROLE(KEY,
      ROLE_SYSTEM_PUSHBUTTON,
      java::SessionAccessibility::CLASSNAME_BUTTON,
      IsAccessibilityElementRule::Yes,
+     UIA_ButtonControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(SWITCH,
@@ -964,6 +1042,7 @@ ROLE(SWITCH,
      IA2_ROLE_TOGGLE_BUTTON,
      java::SessionAccessibility::CLASSNAME_CHECKBOX,
      IsAccessibilityElementRule::Yes,
+     UIA_ButtonControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(MATHML_MATH,
@@ -976,6 +1055,7 @@ ROLE(MATHML_MATH,
      ROLE_SYSTEM_EQUATION,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_IDENTIFIER,
@@ -988,6 +1068,7 @@ ROLE(MATHML_IDENTIFIER,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(MATHML_NUMBER,
@@ -1000,6 +1081,7 @@ ROLE(MATHML_NUMBER,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(MATHML_OPERATOR,
@@ -1017,6 +1099,7 @@ ROLE(MATHML_OPERATOR,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(MATHML_TEXT,
@@ -1029,6 +1112,7 @@ ROLE(MATHML_TEXT,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(MATHML_STRING_LITERAL,
@@ -1041,6 +1125,7 @@ ROLE(MATHML_STRING_LITERAL,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(MATHML_GLYPH,
@@ -1053,6 +1138,7 @@ ROLE(MATHML_GLYPH,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_IMAGE,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(MATHML_ROW,
@@ -1065,6 +1151,7 @@ ROLE(MATHML_ROW,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_FRACTION,
@@ -1077,6 +1164,7 @@ ROLE(MATHML_FRACTION,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_SQUARE_ROOT,
@@ -1089,6 +1177,7 @@ ROLE(MATHML_SQUARE_ROOT,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_ROOT,
@@ -1101,6 +1190,7 @@ ROLE(MATHML_ROOT,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_ENCLOSED,
@@ -1113,6 +1203,7 @@ ROLE(MATHML_ENCLOSED,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_STYLE,
@@ -1125,6 +1216,7 @@ ROLE(MATHML_STYLE,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_SUB,
@@ -1137,6 +1229,7 @@ ROLE(MATHML_SUB,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_SUP,
@@ -1149,6 +1242,7 @@ ROLE(MATHML_SUP,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_SUB_SUP,
@@ -1161,6 +1255,7 @@ ROLE(MATHML_SUB_SUP,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_UNDER,
@@ -1173,6 +1268,7 @@ ROLE(MATHML_UNDER,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_OVER,
@@ -1185,6 +1281,7 @@ ROLE(MATHML_OVER,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_UNDER_OVER,
@@ -1197,6 +1294,7 @@ ROLE(MATHML_UNDER_OVER,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_MULTISCRIPTS,
@@ -1209,6 +1307,7 @@ ROLE(MATHML_MULTISCRIPTS,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_TABLE,
@@ -1221,6 +1320,7 @@ ROLE(MATHML_TABLE,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_GRIDVIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_LABELED_ROW,
@@ -1233,6 +1333,7 @@ ROLE(MATHML_LABELED_ROW,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_TABLE_ROW,
@@ -1245,6 +1346,7 @@ ROLE(MATHML_TABLE_ROW,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_CELL,
@@ -1257,6 +1359,7 @@ ROLE(MATHML_CELL,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_ACTION,
@@ -1269,6 +1372,7 @@ ROLE(MATHML_ACTION,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_ERROR,
@@ -1281,6 +1385,7 @@ ROLE(MATHML_ERROR,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_STACK,
@@ -1293,6 +1398,7 @@ ROLE(MATHML_STACK,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_LONG_DIVISION,
@@ -1305,6 +1411,7 @@ ROLE(MATHML_LONG_DIVISION,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_STACK_GROUP,
@@ -1317,6 +1424,7 @@ ROLE(MATHML_STACK_GROUP,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_STACK_ROW,
@@ -1329,6 +1437,7 @@ ROLE(MATHML_STACK_ROW,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_STACK_CARRIES,
@@ -1341,6 +1450,7 @@ ROLE(MATHML_STACK_CARRIES,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_STACK_CARRY,
@@ -1353,6 +1463,7 @@ ROLE(MATHML_STACK_CARRY,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MATHML_STACK_LINE,
@@ -1365,6 +1476,7 @@ ROLE(MATHML_STACK_LINE,
      IA2_ROLE_UNKNOWN,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(RADIO_GROUP,
@@ -1377,6 +1489,7 @@ ROLE(RADIO_GROUP,
      ROLE_SYSTEM_GROUPING,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_ListControlTypeId,
      eNoNameRule)
 
 ROLE(TEXT,
@@ -1389,6 +1502,7 @@ ROLE(TEXT,
      IA2_ROLE_TEXT_FRAME,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(DETAILS,
@@ -1401,6 +1515,7 @@ ROLE(DETAILS,
      ROLE_SYSTEM_GROUPING,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(SUMMARY,
@@ -1413,6 +1528,7 @@ ROLE(SUMMARY,
      ROLE_SYSTEM_PUSHBUTTON,
      java::SessionAccessibility::CLASSNAME_BUTTON,
      IsAccessibilityElementRule::Yes,
+     UIA_ButtonControlTypeId,
      eNameFromSubtreeRule)
 
 ROLE(LANDMARK,
@@ -1425,6 +1541,7 @@ ROLE(LANDMARK,
      IA2_ROLE_LANDMARK,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(NAVIGATION,
@@ -1437,6 +1554,7 @@ ROLE(NAVIGATION,
      IA2_ROLE_LANDMARK,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(FOOTNOTE,
@@ -1449,6 +1567,7 @@ ROLE(FOOTNOTE,
      IA2_ROLE_FOOTNOTE,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(ARTICLE,
@@ -1461,6 +1580,7 @@ ROLE(ARTICLE,
      ROLE_SYSTEM_DOCUMENT,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(REGION,
@@ -1473,6 +1593,7 @@ ROLE(REGION,
      IA2_ROLE_LANDMARK,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 // A composite widget with a text input and popup. Used for ARIA role combobox.
@@ -1487,6 +1608,7 @@ ROLE(EDITCOMBOBOX,
      ROLE_SYSTEM_COMBOBOX,
      java::SessionAccessibility::CLASSNAME_EDITTEXT,
      IsAccessibilityElementRule::Yes,
+     UIA_ComboBoxControlTypeId,
      eNameFromValueRule)
 
 ROLE(BLOCKQUOTE,
@@ -1499,6 +1621,7 @@ ROLE(BLOCKQUOTE,
      IA2_ROLE_BLOCK_QUOTE,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(CONTENT_DELETION,
@@ -1511,6 +1634,7 @@ ROLE(CONTENT_DELETION,
      IA2_ROLE_CONTENT_DELETION,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TextControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(CONTENT_INSERTION,
@@ -1523,6 +1647,7 @@ ROLE(CONTENT_INSERTION,
      IA2_ROLE_CONTENT_INSERTION,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TextControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(FORM_LANDMARK,
@@ -1535,6 +1660,7 @@ ROLE(FORM_LANDMARK,
      IA2_ROLE_FORM,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(MARK,
@@ -1547,6 +1673,7 @@ ROLE(MARK,
      IA2_ROLE_MARK,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(SUGGESTION,
@@ -1559,6 +1686,7 @@ ROLE(SUGGESTION,
      IA2_ROLE_SUGGESTION,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(COMMENT,
@@ -1571,6 +1699,7 @@ ROLE(COMMENT,
      IA2_ROLE_COMMENT,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNoNameRule)
 
 ROLE(CODE,
@@ -1583,6 +1712,7 @@ ROLE(CODE,
      IA2_ROLE_TEXT_FRAME,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TextControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(TIME_EDITOR,
@@ -1595,6 +1725,7 @@ ROLE(TIME_EDITOR,
      ROLE_SYSTEM_GROUPING,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(LISTITEM_MARKER,
@@ -1607,6 +1738,7 @@ ROLE(LISTITEM_MARKER,
      ROLE_SYSTEM_STATICTEXT,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TextControlTypeId,
      eNoNameRule)
 
 ROLE(METER,
@@ -1619,6 +1751,7 @@ ROLE(METER,
      ROLE_SYSTEM_PROGRESSBAR,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::Yes,
+     UIA_ProgressBarControlTypeId,
      eNameFromValueRule)
 
 ROLE(SUBSCRIPT,
@@ -1631,6 +1764,7 @@ ROLE(SUBSCRIPT,
      IA2_ROLE_TEXT_FRAME,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TextControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(SUPERSCRIPT,
@@ -1643,6 +1777,7 @@ ROLE(SUPERSCRIPT,
      IA2_ROLE_TEXT_FRAME,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TextControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(EMPHASIS,
@@ -1655,6 +1790,7 @@ ROLE(EMPHASIS,
      IA2_ROLE_TEXT_FRAME,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TextControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(STRONG,
@@ -1667,6 +1803,7 @@ ROLE(STRONG,
      IA2_ROLE_TEXT_FRAME,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TextControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(TIME,
@@ -1679,6 +1816,7 @@ ROLE(TIME,
      ROLE_SYSTEM_GROUPING,
      java::SessionAccessibility::CLASSNAME_VIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_TextControlTypeId,
      eNameFromSubtreeIfReqRule)
 
 ROLE(GRID,
@@ -1691,5 +1829,19 @@ ROLE(GRID,
      ROLE_SYSTEM_TABLE,
      java::SessionAccessibility::CLASSNAME_GRIDVIEW,
      IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_DataGridControlTypeId,
+     eNameFromSubtreeIfReqRule)
+
+ROLE(ROWGROUP,
+     "rowgroup",
+     nsGkAtoms::rowgroup,
+     ATK_ROLE_PANEL,
+     NSAccessibilityGroupRole,
+     NSAccessibilityUnknownSubrole,
+     ROLE_SYSTEM_GROUPING,
+     ROLE_SYSTEM_GROUPING,
+     java::SessionAccessibility::CLASSNAME_VIEW,
+     IsAccessibilityElementRule::IfChildlessWithNameAndFocusable,
+     UIA_GroupControlTypeId,
      eNameFromSubtreeIfReqRule)
 // clang-format on
diff --git a/accessible/base/nsAccUtils.cpp b/accessible/base/nsAccUtils.cpp
index 82af56348f..61211068ca 100644
--- a/accessible/base/nsAccUtils.cpp
+++ b/accessible/base/nsAccUtils.cpp
@@ -583,8 +583,9 @@ const nsAttrValue* nsAccUtils::GetARIAAttr(dom::Element* aElement,
 bool nsAccUtils::ARIAAttrValueIs(dom::Element* aElement, const nsAtom* aName,
                                  const nsAString& aValue,
                                  nsCaseTreatment aCaseSensitive) {
-  if (aElement->AttrValueIs(kNameSpaceID_None, aName, aValue, aCaseSensitive)) {
-    return true;
+  if (aElement->HasAttr(kNameSpaceID_None, aName)) {
+    return aElement->AttrValueIs(kNameSpaceID_None, aName, aValue,
+                                 aCaseSensitive);
   }
   const auto* defaults = GetARIADefaults(aElement);
   if (!defaults) {
@@ -597,8 +598,9 @@ bool nsAccUtils::ARIAAttrValueIs(dom::Element* aElement, const nsAtom* aName,
 bool nsAccUtils::ARIAAttrValueIs(dom::Element* aElement, const nsAtom* aName,
                                  const nsAtom* aValue,
                                  nsCaseTreatment aCaseSensitive) {
-  if (aElement->AttrValueIs(kNameSpaceID_None, aName, aValue, aCaseSensitive)) {
-    return true;
+  if (aElement->HasAttr(kNameSpaceID_None, aName)) {
+    return aElement->AttrValueIs(kNameSpaceID_None, aName, aValue,
+                                 aCaseSensitive);
   }
   const auto* defaults = GetARIADefaults(aElement);
   if (!defaults) {
diff --git a/accessible/base/nsAccessibilityService.cpp b/accessible/base/nsAccessibilityService.cpp
index d38276572b..615af596a7 100644
--- a/accessible/base/nsAccessibilityService.cpp
+++ b/accessible/base/nsAccessibilityService.cpp
@@ -122,7 +122,7 @@ static LocalAccessible* MaybeCreateSpecificARIAAccessible(
     if (!parent) {
       return nullptr;
     }
-    if (!parent->IsTable() && parent->Role() == roles::GROUPING) {
+    if (!parent->IsTable() && parent->Role() == roles::ROWGROUP) {
       parent = parent->GetNonGenericParent();
       if (!parent) {
         return nullptr;
@@ -838,7 +838,8 @@ void nsAccessibilityService::RecreateAccessible(PresShell* aPresShell,
 
 void nsAccessibilityService::GetStringRole(uint32_t aRole, nsAString& aString) {
 #define ROLE(geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, \
-             msaaRole, ia2Role, androidClass, iosIsElement, nameRule)       \
+             msaaRole, ia2Role, androidClass, iosIsElement, uiaControlType, \
+             nameRule)                                                      \
   case roles::geckoRole:                                                    \
     aString.AssignLiteral(stringRole);                                      \
     return;
diff --git a/accessible/base/nsTextEquivUtils.cpp b/accessible/base/nsTextEquivUtils.cpp
index f222930981..769559a2c9 100644
--- a/accessible/base/nsTextEquivUtils.cpp
+++ b/accessible/base/nsTextEquivUtils.cpp
@@ -165,6 +165,7 @@ nsresult nsTextEquivUtils::AppendFromAccessible(Accessible* aAccessible,
         // together in final name.
         const nsStyleDisplay* display = frame->StyleDisplay();
         if (display->IsBlockOutsideStyle() ||
+            display->mDisplay == StyleDisplay::InlineBlock ||
             display->mDisplay == StyleDisplay::TableCell) {
           isHTMLBlock = true;
           if (!aString->IsEmpty()) {
@@ -323,7 +324,8 @@ bool nsTextEquivUtils::AppendString(nsAString* aString,
 
 uint32_t nsTextEquivUtils::GetRoleRule(role aRole) {
 #define ROLE(geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, \
-             msaaRole, ia2Role, androidClass, iosIsElement, nameRule)       \
+             msaaRole, ia2Role, androidClass, iosIsElement, uiaControlType, \
+             nameRule)                                                      \
   case roles::geckoRole:                                                    \
     return nameRule;
 
diff --git a/accessible/basetypes/Accessible.cpp b/accessible/basetypes/Accessible.cpp
index de9740dd18..8b433a0ddd 100644
--- a/accessible/basetypes/Accessible.cpp
+++ b/accessible/basetypes/Accessible.cpp
@@ -569,8 +569,7 @@ nsStaticAtom* Accessible::ComputedARIARole() const {
       roleMap->roleAtom != nsGkAtoms::form &&
       (roleMap->roleRule == kUseNativeRole || roleMap->IsOfType(eLandmark) ||
        roleMap->roleAtom == nsGkAtoms::alertdialog ||
-       roleMap->roleAtom == nsGkAtoms::feed ||
-       roleMap->roleAtom == nsGkAtoms::rowgroup)) {
+       roleMap->roleAtom == nsGkAtoms::feed)) {
     // Explicit ARIA role (e.g. specified via the role attribute) which does not
     // map to a unique Gecko role.
     return roleMap->roleAtom;
@@ -583,18 +582,10 @@ nsStaticAtom* Accessible::ComputedARIARole() const {
     // Landmark role from native markup; e.g. <main>, <nav>.
     return LandmarkRole();
   }
-  if (geckoRole == roles::GROUPING) {
-    // Gecko doesn't differentiate between group and rowgroup. It uses
-    // roles::GROUPING for both.
-    nsAtom* tag = TagName();
-    if (tag == nsGkAtoms::tbody || tag == nsGkAtoms::tfoot ||
-        tag == nsGkAtoms::thead) {
-      return nsGkAtoms::rowgroup;
-    }
-  }
   // Role from native markup or layout.
 #define ROLE(_geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, \
-             msaaRole, ia2Role, androidClass, iosIsElement, nameRule)        \
+             msaaRole, ia2Role, androidClass, iosIsElement, uiaControlType,  \
+             nameRule)                                                       \
   case roles::_geckoRole:                                                    \
     return ariaRole;
   switch (geckoRole) {
diff --git a/accessible/basetypes/Accessible.h b/accessible/basetypes/Accessible.h
index 77ac0bb4fc..9068115d01 100644
--- a/accessible/basetypes/Accessible.h
+++ b/accessible/basetypes/Accessible.h
@@ -185,6 +185,46 @@ class Accessible {
    */
   bool IsBefore(const Accessible* aAcc) const;
 
+  /**
+   * A utility enum for controlling FindAncestorIf.
+   *   Continue: this is not the desired ancestor node, keep searching
+   *   Found:    this is the desired ancestor node
+   *   NotFound: this is not the desired ancestor node, stop searching
+   */
+  enum class AncestorSearchOption { Continue, Found, NotFound };
+  /**
+   * Return a non-generic ancestor for which the given predicate returns
+   * AncestorSearchOption::Found, if any exist. If none exist, return nullptr.
+   * The predicate may choose to return options from AncestorSearchOption to
+   * control the flow of the ancestor search.
+   */
+  template <typename Callable>
+  Accessible* FindAncestorIf(Callable&& aPredicate) const {
+    static_assert(
+        std::is_same_v<std::invoke_result_t<Callable, const Accessible&>,
+                       AncestorSearchOption>,
+        "Given callable must return AncestorSearchOption.");
+    static_assert(std::is_invocable_v<Callable, const Accessible&>,
+                  "Given callable must accept const Accessible&.");
+    Accessible* search = GetNonGenericParent();
+    while (search) {
+      const AncestorSearchOption option = aPredicate(*search);
+      switch (option) {
+        case AncestorSearchOption::Continue:
+          search = search->GetNonGenericParent();
+          continue;
+        case AncestorSearchOption::Found:
+          return search;
+        case AncestorSearchOption::NotFound:
+          return nullptr;
+        default:
+          MOZ_ASSERT(false, "Unhandled AncestorSearchOption");
+          break;
+      }
+    }
+    return nullptr;
+  }
+
   bool IsAncestorOf(const Accessible* aAcc) const {
     for (const Accessible* parent = aAcc->Parent(); parent;
          parent = parent->Parent()) {
diff --git a/accessible/generic/LocalAccessible.cpp b/accessible/generic/LocalAccessible.cpp
index a758164e2b..aaf0337a1a 100644
--- a/accessible/generic/LocalAccessible.cpp
+++ b/accessible/generic/LocalAccessible.cpp
@@ -744,22 +744,8 @@ LayoutDeviceIntRect LocalAccessible::Bounds() const {
 void LocalAccessible::SetSelected(bool aSelect) {
   if (!HasOwnContent()) return;
 
-  LocalAccessible* select = nsAccUtils::GetSelectableContainer(this, State());
-  if (select) {
-    if (select->State() & states::MULTISELECTABLE) {
-      if (mContent->IsElement() && ARIARoleMap()) {
-        if (aSelect) {
-          mContent->AsElement()->SetAttr(
-              kNameSpaceID_None, nsGkAtoms::aria_selected, u"true"_ns, true);
-        } else {
-          mContent->AsElement()->UnsetAttr(kNameSpaceID_None,
-                                           nsGkAtoms::aria_selected, true);
-        }
-      }
-      return;
-    }
-
-    if (aSelect) TakeFocus();
+  if (nsAccUtils::GetSelectableContainer(this, State()) && aSelect) {
+    TakeFocus();
   }
 }
 
@@ -1819,27 +1805,7 @@ double LocalAccessible::CurValue() const {
   return checkValue;
 }
 
-bool LocalAccessible::SetCurValue(double aValue) {
-  const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
-  if (!roleMapEntry || roleMapEntry->valueRule == eNoValue) return false;
-
-  const uint32_t kValueCannotChange = states::READONLY | states::UNAVAILABLE;
-  if (State() & kValueCannotChange) return false;
-
-  double checkValue = MinValue();
-  if (!std::isnan(checkValue) && aValue < checkValue) return false;
-
-  checkValue = MaxValue();
-  if (!std::isnan(checkValue) && aValue > checkValue) return false;
-
-  nsAutoString strValue;
-  strValue.AppendFloat(aValue);
-
-  if (!mContent->IsElement()) return true;
-
-  return NS_SUCCEEDED(mContent->AsElement()->SetAttr(
-      kNameSpaceID_None, nsGkAtoms::aria_valuenow, strValue, true));
-}
+bool LocalAccessible::SetCurValue(double aValue) { return false; }
 
 role LocalAccessible::FindNextValidARIARole(
     std::initializer_list<nsStaticAtom*> aRolesToSkip) const {
@@ -1925,6 +1891,16 @@ role LocalAccessible::ARIATransformRole(role aRole) const {
       return roles::COMBOBOX_OPTION;
     }
 
+    // Orphaned option outside the context of a listbox.
+    const Accessible* listbox = FindAncestorIf([](const Accessible& aAcc) {
+      const role accRole = aAcc.Role();
+      return accRole == roles::LISTBOX    ? AncestorSearchOption::Found
+             : accRole == roles::GROUPING ? AncestorSearchOption::Continue
+                                          : AncestorSearchOption::NotFound;
+    });
+    if (!listbox) {
+      return NativeRole();
+    }
   } else if (aRole == roles::MENUITEM) {
     // Menuitem has a submenu.
     if (mContent->IsElement() &&
@@ -1934,6 +1910,30 @@ role LocalAccessible::ARIATransformRole(role aRole) const {
       return roles::PARENT_MENUITEM;
     }
 
+    // Orphaned menuitem outside the context of a menu/menubar.
+    const Accessible* menu = FindAncestorIf([](const Accessible& aAcc) {
+      const role accRole = aAcc.Role();
+      return (accRole == roles::MENUBAR || accRole == roles::MENUPOPUP)
+                 ? AncestorSearchOption::Found
+             : accRole == roles::GROUPING ? AncestorSearchOption::Continue
+                                          : AncestorSearchOption::NotFound;
+    });
+    if (!menu) {
+      return NativeRole();
+    }
+  } else if (aRole == roles::RADIO_MENU_ITEM ||
+             aRole == roles::CHECK_MENU_ITEM) {
+    // Orphaned radio/checkbox menuitem outside the context of a menu/menubar.
+    const Accessible* menu = FindAncestorIf([](const Accessible& aAcc) {
+      const role accRole = aAcc.Role();
+      return (accRole == roles::MENUBAR || accRole == roles::MENUPOPUP)
+                 ? AncestorSearchOption::Found
+             : accRole == roles::GROUPING ? AncestorSearchOption::Continue
+                                          : AncestorSearchOption::NotFound;
+    });
+    if (!menu) {
+      return NativeRole();
+    }
   } else if (aRole == roles::CELL) {
     // A cell inside an ancestor table element that has a grid role needs a
     // gridcell role
@@ -1942,6 +1942,63 @@ role LocalAccessible::ARIATransformRole(role aRole) const {
     if (table && table->IsARIARole(nsGkAtoms::grid)) {
       return roles::GRID_CELL;
     }
+  } else if (aRole == roles::ROW) {
+    // Orphaned rows outside the context of a table.
+    const LocalAccessible* table = nsAccUtils::TableFor(this);
+    if (!table) {
+      return NativeRole();
+    }
+  } else if (aRole == roles::ROWGROUP) {
+    // Orphaned rowgroups outside the context of a table.
+    const Accessible* table = FindAncestorIf([](const Accessible& aAcc) {
+      return aAcc.IsTable() ? AncestorSearchOption::Found
+                            : AncestorSearchOption::NotFound;
+    });
+    if (!table) {
+      return NativeRole();
+    }
+  } else if (aRole == roles::GRID_CELL || aRole == roles::ROWHEADER ||
+             aRole == roles::COLUMNHEADER) {
+    // Orphaned gridcell/rowheader/columnheader outside the context of a row.
+    const Accessible* row = FindAncestorIf([](const Accessible& aAcc) {
+      return aAcc.IsTableRow() ? AncestorSearchOption::Found
+                               : AncestorSearchOption::NotFound;
+    });
+    if (!row) {
+      return NativeRole();
+    }
+  } else if (aRole == roles::LISTITEM) {
+    // doc-biblioentry and doc-endnote should not be treated as listitems.
+    const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
+    if (!roleMapEntry || (roleMapEntry->roleAtom != nsGkAtoms::docBiblioentry &&
+                          roleMapEntry->roleAtom != nsGkAtoms::docEndnote)) {
+      // Orphaned listitem outside the context of a list.
+      const Accessible* list = FindAncestorIf([](const Accessible& aAcc) {
+        return aAcc.IsList() ? AncestorSearchOption::Found
+                             : AncestorSearchOption::Continue;
+      });
+      if (!list) {
+        return NativeRole();
+      }
+    }
+  } else if (aRole == roles::PAGETAB) {
+    // Orphaned tab outside the context of a tablist.
+    const Accessible* tablist = FindAncestorIf([](const Accessible& aAcc) {
+      return aAcc.Role() == roles::PAGETABLIST ? AncestorSearchOption::Found
+                                               : AncestorSearchOption::NotFound;
+    });
+    if (!tablist) {
+      return NativeRole();
+    }
+  } else if (aRole == roles::OUTLINEITEM) {
+    // Orphaned treeitem outside the context of a tree.
+    const Accessible* tree = FindAncestorIf([](const Accessible& aAcc) {
+      return aAcc.Role() == roles::OUTLINE ? AncestorSearchOption::Found
+                                           : AncestorSearchOption::Continue;
+    });
+    if (!tree) {
+      return NativeRole();
+    }
   }
 
   return aRole;
@@ -2149,12 +2206,14 @@ Relation LocalAccessible::RelationByType(RelationType aType) const {
       if (roleMapEntry && (roleMapEntry->role == roles::OUTLINEITEM ||
                            roleMapEntry->role == roles::LISTITEM ||
                            roleMapEntry->role == roles::ROW)) {
-        Accessible* parent = const_cast<LocalAccessible*>(this)
-                                 ->GetOrCreateGroupInfo()
-                                 ->ConceptualParent();
-        if (parent) {
-          MOZ_ASSERT(parent->IsLocal());
-          rel.AppendTarget(parent->AsLocal());
+        AccGroupInfo* groupInfo =
+            const_cast<LocalAccessible*>(this)->GetOrCreateGroupInfo();
+        if (groupInfo) {
+          Accessible* parent = groupInfo->ConceptualParent();
+          if (parent) {
+            MOZ_ASSERT(parent->IsLocal());
+            rel.AppendTarget(parent->AsLocal());
+          }
         }
       }
 
@@ -2274,7 +2333,7 @@ Relation LocalAccessible::RelationByType(RelationType aType) const {
         }
         // If this node is an anchor element, query its hash to find the
         // target.
-        nsAutoString hash;
+        nsAutoCString hash;
         anchor->GetHash(hash);
         if (hash.IsEmpty()) {
           return rel;
@@ -2282,11 +2341,11 @@ Relation LocalAccessible::RelationByType(RelationType aType) const {
 
         // GetHash returns an ID or name with a leading '#', trim it so we can
         // search the doc by ID or name alone.
-        hash.Trim("#");
-        if (dom::Element* elm = mContent->OwnerDoc()->GetElementById(hash)) {
+        NS_ConvertUTF8toUTF16 hash16(Substring(hash, 1));
+        if (dom::Element* elm = mContent->OwnerDoc()->GetElementById(hash16)) {
           rel.AppendTarget(mDoc->GetAccessibleOrContainer(elm));
         } else if (nsCOMPtr<nsINodeList> list =
-                       mContent->OwnerDoc()->GetElementsByName(hash)) {
+                       mContent->OwnerDoc()->GetElementsByName(hash16)) {
           // Loop through the named nodes looking for the first anchor
           uint32_t length = list->Length();
           for (uint32_t i = 0; i < length; i++) {
@@ -3069,15 +3128,7 @@ LocalAccessible* LocalAccessible::CurrentItem() const {
   return nullptr;
 }
 
-void LocalAccessible::SetCurrentItem(const LocalAccessible* aItem) {
-  nsAtom* id = aItem->GetContent()->GetID();
-  if (id) {
-    nsAutoString idStr;
-    id->ToString(idStr);
-    mContent->AsElement()->SetAttr(
-        kNameSpaceID_None, nsGkAtoms::aria_activedescendant, idStr, true);
-  }
-}
+void LocalAccessible::SetCurrentItem(const LocalAccessible* aItem) {}
 
 LocalAccessible* LocalAccessible::ContainerWidget() const {
   if (HasARIARole() && mContent->HasID()) {
diff --git a/accessible/html/HTMLSelectAccessible.cpp b/accessible/html/HTMLSelectAccessible.cpp
index f8fb4180c7..02d449df36 100644
--- a/accessible/html/HTMLSelectAccessible.cpp
+++ b/accessible/html/HTMLSelectAccessible.cpp
@@ -6,6 +6,7 @@
 #include "HTMLSelectAccessible.h"
 
 #include "LocalAccessible-inl.h"
+#include "DocAccessible-inl.h"
 #include "nsAccessibilityService.h"
 #include "nsAccUtils.h"
 #include "DocAccessible.h"
diff --git a/accessible/html/HTMLTableAccessible.cpp b/accessible/html/HTMLTableAccessible.cpp
index 2c3dc6b82d..f4b8f9964a 100644
--- a/accessible/html/HTMLTableAccessible.cpp
+++ b/accessible/html/HTMLTableAccessible.cpp
@@ -12,6 +12,7 @@
 #include "ARIAMap.h"
 #include "CacheConstants.h"
 #include "LocalAccessible-inl.h"
+#include "DocAccessible-inl.h"
 #include "nsTextEquivUtils.h"
 #include "Relation.h"
 #include "mozilla/a11y/Role.h"
diff --git a/accessible/interfaces/nsIAccessibleCaretMoveEvent.idl b/accessible/interfaces/nsIAccessibleCaretMoveEvent.idl
index 4cdece16cc..2f750002a2 100644
--- a/accessible/interfaces/nsIAccessibleCaretMoveEvent.idl
+++ b/accessible/interfaces/nsIAccessibleCaretMoveEvent.idl
@@ -19,12 +19,12 @@ interface nsIAccessibleCaretMoveEvent: nsIAccessibleEvent
   /**
    * Return true if there is no selection.
    */
-  readonly attribute bool isSelectionCollapsed;
+  readonly attribute boolean isSelectionCollapsed;
 
   /**
    * Return true if the caret is at the end of a line.
    */
-  readonly attribute bool isAtEndOfLine;
+  readonly attribute boolean isAtEndOfLine;
 
   /**
    * Return caret move granularity.
diff --git a/accessible/interfaces/nsIAccessibleMacInterface.idl b/accessible/interfaces/nsIAccessibleMacInterface.idl
index 384d09d5f0..952ac2a9fe 100644
--- a/accessible/interfaces/nsIAccessibleMacInterface.idl
+++ b/accessible/interfaces/nsIAccessibleMacInterface.idl
@@ -67,7 +67,7 @@ interface nsIAccessibleMacInterface : nsISupports
    * Returns true if the given attribute is settable on the object.
    * Emulates `AXUIElementIsAttributeSettable`.
    **/
-  bool isAttributeSettable(in AString attributeName);
+  boolean isAttributeSettable(in AString attributeName);
 
   /**
    * Sets the given attribute with the given value on the object.
diff --git a/accessible/interfaces/nsIAccessibleRole.idl b/accessible/interfaces/nsIAccessibleRole.idl
index 9c3376ab48..192f93f01d 100644
--- a/accessible/interfaces/nsIAccessibleRole.idl
+++ b/accessible/interfaces/nsIAccessibleRole.idl
@@ -806,4 +806,11 @@ interface nsIAccessibleRole : nsISupports
    * by using methods of two-dimensional navigation.
    */
   const unsigned long ROLE_GRID = 138;
+
+  /**
+   * Represents a structure containing one or more row elements in a tabular
+   * container. It is the structural equivalent to the thead, tfoot, and tbody
+   * elements in an HTML table element.
+   */
+  const unsigned long ROLE_ROWGROUP = 139;
 };
diff --git a/accessible/ios/MUIAccessible.mm b/accessible/ios/MUIAccessible.mm
index 46c4712e2e..d72ed77172 100644
--- a/accessible/ios/MUIAccessible.mm
+++ b/accessible/ios/MUIAccessible.mm
@@ -159,7 +159,8 @@ static bool isAccessibilityElementInternal(Accessible* aAccessible) {
   IsAccessibilityElementRule rule = IsAccessibilityElementRule::No;
 
 #define ROLE(_geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, \
-             msaaRole, ia2Role, androidClass, iosIsElement, nameRule)        \
+             msaaRole, ia2Role, androidClass, iosIsElement, uiaControlType,  \
+             nameRule)                                                       \
   case roles::_geckoRole:                                                    \
     rule = iosIsElement;                                                     \
     break;
diff --git a/accessible/mac/MOXAccessibleProtocol.h b/accessible/mac/MOXAccessibleProtocol.h
index e3535c1628..51ad3ccef4 100644
--- a/accessible/mac/MOXAccessibleProtocol.h
+++ b/accessible/mac/MOXAccessibleProtocol.h
@@ -335,6 +335,9 @@
 // AXARIARelevant
 - (NSString* _Nullable)moxARIARelevant;
 
+// AXPlaceholderValue
+- (NSString* _Nullable)moxPlaceholderValue;
+
 // AXMozDebugDescription
 - (NSString* _Nullable)moxMozDebugDescription;
 
diff --git a/accessible/mac/mozAccessible.h b/accessible/mac/mozAccessible.h
index 175e25d508..c5e3b7d4f8 100644
--- a/accessible/mac/mozAccessible.h
+++ b/accessible/mac/mozAccessible.h
@@ -216,6 +216,9 @@ enum CheckedState {
 - (NSString*)moxARIARelevant;
 
 // override
+- (NSString*)moxPlaceholderValue;
+
+// override
 - (id)moxTitleUIElement;
 
 // override
diff --git a/accessible/mac/mozAccessible.mm b/accessible/mac/mozAccessible.mm
index aa98496511..0609cc7afc 100644
--- a/accessible/mac/mozAccessible.mm
+++ b/accessible/mac/mozAccessible.mm
@@ -295,7 +295,8 @@ using namespace mozilla::a11y;
 
 - (NSString*)moxRole {
 #define ROLE(geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, \
-             msaaRole, ia2Role, androidClass, iosIsElement, nameRule)       \
+             msaaRole, ia2Role, androidClass, iosIsElement, uiaControlType, \
+             nameRule)                                                      \
   case roles::geckoRole:                                                    \
     return macRole;
 
@@ -366,7 +367,8 @@ using namespace mozilla::a11y;
   }
 
 #define ROLE(geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, \
-             msaaRole, ia2Role, androidClass, iosIsElement, nameRule)       \
+             msaaRole, ia2Role, androidClass, iosIsElement, uiaControlType, \
+             nameRule)                                                      \
   case roles::geckoRole:                                                    \
     if (![macSubrole isEqualToString:NSAccessibilityUnknownSubrole]) {      \
       return macSubrole;                                                    \
@@ -646,6 +648,16 @@ struct RoleDescrComparator {
   return @"additions text";
 }
 
+- (NSString*)moxPlaceholderValue {
+  // First, check for plaecholder HTML attribute
+  if (NSString* placeholder = utils::GetAccAttr(self, nsGkAtoms::placeholder)) {
+    return placeholder;
+  }
+
+  // If no placeholder HTML attribute, check for the aria version.
+  return utils::GetAccAttr(self, nsGkAtoms::aria_placeholder);
+}
+
 - (id)moxTitleUIElement {
   MOZ_ASSERT(mGeckoAccessible);
 
diff --git a/accessible/tests/browser/.eslintrc.js b/accessible/tests/browser/.eslintrc.js
index 528797cb91..96c0859468 100644
--- a/accessible/tests/browser/.eslintrc.js
+++ b/accessible/tests/browser/.eslintrc.js
@@ -18,7 +18,7 @@ module.exports = {
     "no-proto": "error",
     "no-return-assign": "error",
     "no-shadow": "error",
-    "no-unused-vars": ["error", { vars: "all", args: "none" }],
+    "no-unused-vars": ["error", { vars: "all", argsIgnorePattern: "^_" }],
     "one-var": ["error", "never"],
     radix: "error",
     strict: ["error", "global"],
diff --git a/accessible/tests/browser/bounds/browser.toml b/accessible/tests/browser/bounds/browser.toml
index da1fe37a1e..c4c421cdeb 100644
--- a/accessible/tests/browser/bounds/browser.toml
+++ b/accessible/tests/browser/bounds/browser.toml
@@ -3,7 +3,6 @@ subsuite = "a11y"
 support-files = [
   "head.js",
   "!/accessible/tests/browser/shared-head.js",
-  "!/accessible/tests/browser/*.jsm",
   "!/accessible/tests/mochitest/*.js",
   "!/accessible/tests/mochitest/letters.gif",
 ]
diff --git a/accessible/tests/browser/e10s/browser.toml b/accessible/tests/browser/e10s/browser.toml
index 914f839993..dff9b1c712 100644
--- a/accessible/tests/browser/e10s/browser.toml
+++ b/accessible/tests/browser/e10s/browser.toml
@@ -10,7 +10,6 @@ support-files = [
   "doc_treeupdate_whitespace.html",
   "fonts/Ahem.sjs",
   "!/accessible/tests/browser/shared-head.js",
-  "!/accessible/tests/browser/*.jsm",
   "!/accessible/tests/mochitest/*.js",
   "!/accessible/tests/mochitest/events/slow_image.sjs",
   "!/accessible/tests/mochitest/letters.gif",
diff --git a/accessible/tests/browser/e10s/browser_aria_activedescendant.js b/accessible/tests/browser/e10s/browser_aria_activedescendant.js
index f58c5aab39..fadda0f964 100644
--- a/accessible/tests/browser/e10s/browser_aria_activedescendant.js
+++ b/accessible/tests/browser/e10s/browser_aria_activedescendant.js
@@ -277,7 +277,7 @@ async function basicListboxTest(browser, elementReflection) {
 
 addAccessibleTask(
   LISTBOX_MARKUP,
-  async function (browser, docAcc) {
+  async function (browser) {
     info("Test aria-activedescendant content attribute");
     await basicListboxTest(browser, false);
 
@@ -303,7 +303,7 @@ addAccessibleTask(
 
 addAccessibleTask(
   LISTBOX_MARKUP,
-  async function (browser, docAcc) {
+  async function (browser) {
     info("Test ariaActiveDescendantElement element reflection");
     await basicListboxTest(browser, true);
   },
@@ -316,7 +316,7 @@ addAccessibleTask(
 <div role="listbox">
   <div role="option" id="activedesc_nondesc_option">option</div>
 </div>`,
-  async function (browser, docAcc) {
+  async function (browser) {
     info("Test aria-activedescendant non-descendant");
     await synthFocus(
       browser,
@@ -348,7 +348,7 @@ addAccessibleTask(
   item.setAttribute("role", "option");
   listbox.appendChild(item);
 </script>`,
-  async function (browser, docAcc) {
+  async function (browser) {
     info("Test aria-activedescendant in shadow root");
     // We want to retrieve elements using their IDs inside the shadow root, so
     // we define a custom get element by ID method that our utility functions
@@ -448,7 +448,7 @@ customElements.define("custom-listbox",
   }
 );
 </script>`,
-  async function (browser, docAcc) {
+  async function (browser) {
     await synthFocus(browser, "custom-listbox1", "l1_3");
 
     let evtProm = Promise.all([
diff --git a/accessible/tests/browser/e10s/browser_caching_value.js b/accessible/tests/browser/e10s/browser_caching_value.js
index 2b968b5948..926110199e 100644
--- a/accessible/tests/browser/e10s/browser_caching_value.js
+++ b/accessible/tests/browser/e10s/browser_caching_value.js
@@ -46,16 +46,6 @@ const valueTests = [
     expected: ["5", 5, 0, 7, 0],
   },
   {
-    desc: "Value should change when currentValue is called",
-    id: "slider",
-    async action(browser, acc) {
-      acc.QueryInterface(nsIAccessibleValue);
-      acc.currentValue = 4;
-    },
-    waitFor: EVENT_VALUE_CHANGE,
-    expected: ["4", 4, 0, 7, 0],
-  },
-  {
     desc: "Value should change when @aria-valuenow is updated",
     id: "slider",
     attrs: [
diff --git a/accessible/tests/browser/events/browser.toml b/accessible/tests/browser/events/browser.toml
index 7ec3c3621a..ffbb96cfbb 100644
--- a/accessible/tests/browser/events/browser.toml
+++ b/accessible/tests/browser/events/browser.toml
@@ -4,12 +4,13 @@ support-files = [
   "head.js",
   "!/accessible/tests/browser/shared-head.js",
   "!/accessible/tests/mochitest/*.js",
-  "!/accessible/tests/browser/*.jsm",
 ]
 prefs = ["javascript.options.asyncstack_capture_debuggee_only=false"]
 
 ["browser_alert.js"]
 
+["browser_content_prompt.js"]
+
 ["browser_test_A11yUtils_announce.js"]
 
 ["browser_test_caret_move_granularity.js"]
diff --git a/accessible/tests/browser/events/browser_content_prompt.js b/accessible/tests/browser/events/browser_content_prompt.js
new file mode 100644
index 0000000000..7677c0258a
--- /dev/null
+++ b/accessible/tests/browser/events/browser_content_prompt.js
@@ -0,0 +1,48 @@
+/* Any copyright is dedicated to the Public Domain.
+   https://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Want to test relations.
+/* import-globals-from ../../mochitest/name.js */
+/* import-globals-from ../../mochitest/relations.js */
+/* import-globals-from ../../mochitest/role.js */
+loadScripts(
+  { name: "relations.js", dir: MOCHITESTS_DIR },
+  { name: "name.js", dir: MOCHITESTS_DIR },
+  { name: "role.js", dir: MOCHITESTS_DIR }
+);
+
+addAccessibleTask(``, async function (browser) {
+  info("Showing alert");
+  let shown = waitForEvent(
+    EVENT_SHOW,
+    evt => evt.accessible.role == ROLE_INTERNAL_FRAME
+  );
+  // Let's make sure the dialog content gets focus.
+  // On macOS, we unfortunately focus the label. We focus the OK button on
+  // all other platforms. See https://phabricator.services.mozilla.com/D204908
+  // for more discussion.
+  let expectedRole =
+    AppConstants.platform == "macosx" ? ROLE_LABEL : ROLE_PUSHBUTTON;
+  let focused = waitForEvent(EVENT_FOCUS, evt => {
+    return evt.accessible.role == expectedRole;
+  });
+  await invokeContentTask(browser, [], () => {
+    // Use setTimeout to avoid blocking the return of the content task
+    // on the alert, which is otherwise synchronous.
+    content.setTimeout(() => content.alert("test"), 0);
+  });
+  const frame = (await shown).accessible;
+  const focusedEl = (await focused).accessible;
+  ok(true, "Dialog shown and something got focused");
+  let dialog = getAccessible(focusedEl.DOMNode.ownerDocument);
+  testRole(dialog, ROLE_DIALOG);
+  let infoBody = focusedEl.DOMNode.ownerDocument.getElementById("infoBody");
+  testRelation(dialog, RELATION_DESCRIBED_BY, infoBody);
+  testDescr(dialog, "test ");
+  info("Dismissing alert");
+  let hidden = waitForEvent(EVENT_HIDE, frame);
+  EventUtils.synthesizeKey("KEY_Escape", {}, frame.DOMNode.contentWindow);
+  await hidden;
+});
diff --git a/accessible/tests/browser/fission/browser.toml b/accessible/tests/browser/fission/browser.toml
index 0332573db9..f795ec6b3d 100644
--- a/accessible/tests/browser/fission/browser.toml
+++ b/accessible/tests/browser/fission/browser.toml
@@ -3,7 +3,6 @@ subsuite = "a11y"
 support-files = [
   "head.js",
   "!/accessible/tests/browser/shared-head.js",
-  "!/accessible/tests/browser/*.jsm",
   "!/accessible/tests/mochitest/*.js",
 ]
 prefs = ["javascript.options.asyncstack_capture_debuggee_only=false"]
diff --git a/accessible/tests/browser/hittest/browser.toml b/accessible/tests/browser/hittest/browser.toml
index 7f82a6ff49..894bf05c39 100644
--- a/accessible/tests/browser/hittest/browser.toml
+++ b/accessible/tests/browser/hittest/browser.toml
@@ -3,7 +3,6 @@ subsuite = "a11y"
 support-files = [
   "head.js",
   "!/accessible/tests/browser/shared-head.js",
-  "!/accessible/tests/browser/*.jsm",
   "!/accessible/tests/mochitest/*.js",
   "!/accessible/tests/mochitest/letters.gif",
 ]
diff --git a/accessible/tests/browser/mac/browser.toml b/accessible/tests/browser/mac/browser.toml
index b180a42ab7..227575fb4d 100644
--- a/accessible/tests/browser/mac/browser.toml
+++ b/accessible/tests/browser/mac/browser.toml
@@ -9,7 +9,6 @@ support-files = [
   "doc_menulist.xhtml",
   "doc_tree.xhtml",
   "!/accessible/tests/browser/shared-head.js",
-  "!/accessible/tests/browser/*.jsm",
   "!/accessible/tests/mochitest/*.js",
   "!/accessible/tests/mochitest/letters.gif",
   "!/accessible/tests/mochitest/moz.png",
@@ -29,6 +28,8 @@ https_first_disabled = true
 
 ["browser_aria_haspopup.js"]
 
+["browser_aria_placeholder.js"]
+
 ["browser_aria_setsize.js"]
 
 ["browser_attributed_text.js"]
diff --git a/accessible/tests/browser/mac/browser_aria_placeholder.js b/accessible/tests/browser/mac/browser_aria_placeholder.js
new file mode 100644
index 0000000000..e5102fd093
--- /dev/null
+++ b/accessible/tests/browser/mac/browser_aria_placeholder.js
@@ -0,0 +1,70 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/**
+ * Test that inputs with placeholder text expose it via AXPlaceholderValue and
+ * correctly _avoid_ exposing it via AXTItle, AXValue, or AXDescription. Verify AXPlaceholderValue is not exposed when the placeholder is used as the name.
+ */
+addAccessibleTask(
+  `
+  <input id="input" placeholder="Name"><br>
+  <label for="input2">Enter Name</label><input id="input2" placeholder="Name" value="Elmer Fudd">
+  `,
+  (browser, accDoc) => {
+    let input = getNativeInterface(accDoc, "input");
+    let input2 = getNativeInterface(accDoc, "input2");
+
+    is(
+      input.getAttributeValue("AXPlaceholderValue"),
+      null,
+      "Placeholder is used as name, so no AXPlaceholderValue is stored."
+    );
+    is(input.getAttributeValue("AXDescription"), "Name");
+    is(input.getAttributeValue("AXTitle"), "", "Correct title");
+    is(input.getAttributeValue("AXValue"), "", "Correct value");
+
+    is(
+      input2.getAttributeValue("AXPlaceholderValue"),
+      "Name",
+      "Correct placeholder value in presence of value"
+    );
+    is(
+      input2.getAttributeValue("AXDescription"),
+      "Enter Name",
+      "Correct label"
+    );
+    is(input2.getAttributeValue("AXTitle"), "", "Correct title");
+    is(input2.getAttributeValue("AXValue"), "Elmer Fudd", "Correct value");
+  }
+);
+
+/**
+ * Test that aria-placeholder gets exposed via AXPlaceholderValue and correctly
+ * contributes to AXValue (but not title or description).
+ */
+addAccessibleTask(
+  `
+  <span id="date-of-birth">Birthday</span>
+  <div
+    id="bday"
+    contenteditable
+    role="textbox"
+    aria-labelledby="date-of-birth"
+    aria-placeholder="MM-DD-YYYY">MM-DD-YYYY</div>
+  `,
+  (browser, accDoc) => {
+    let bday = getNativeInterface(accDoc, "bday");
+
+    is(
+      bday.getAttributeValue("AXPlaceholderValue"),
+      "MM-DD-YYYY",
+      "Correct placeholder value"
+    );
+    is(bday.getAttributeValue("AXDescription"), "Birthday", "Correct label");
+    is(bday.getAttributeValue("AXTitle"), "", "Correct title");
+    is(bday.getAttributeValue("AXValue"), "MM-DD-YYYY", "Correct value");
+  }
+);
diff --git a/accessible/tests/browser/mac/browser_roles_elements.js b/accessible/tests/browser/mac/browser_roles_elements.js
index b6049e7afd..65caf308c4 100644
--- a/accessible/tests/browser/mac/browser_roles_elements.js
+++ b/accessible/tests/browser/mac/browser_roles_elements.js
@@ -73,8 +73,8 @@ addAccessibleTask(
   <div id="switch" role="switch"></div>
   <div id="timer" role="timer"></div>
   <div id="tooltip" role="tooltip"></div>
-  <input type="radio" role="menuitemradio" id="menuitemradio">
-  <input type="checkbox" role="menuitemcheckbox" id="menuitemcheckbox">
+  <div role="menu"><input type="radio" role="menuitemradio" id="menuitemradio"></div>
+  <div role="menu"><input type="checkbox" role="menuitemcheckbox" id="menuitemcheckbox"></div>
   <input type="datetime-local" id="datetime">
 
   <!-- text entries -->
diff --git a/accessible/tests/browser/mac/browser_selectables.js b/accessible/tests/browser/mac/browser_selectables.js
index af88c2e136..cc489e566d 100644
--- a/accessible/tests/browser/mac/browser_selectables.js
+++ b/accessible/tests/browser/mac/browser_selectables.js
@@ -300,9 +300,6 @@ addAccessibleTask(
   async (browser, accDoc) => {
     let select = getNativeInterface(accDoc, "select");
     let one = getNativeInterface(accDoc, "one");
-    let two = getNativeInterface(accDoc, "two");
-    let three = getNativeInterface(accDoc, "three");
-    let four = getNativeInterface(accDoc, "four");
 
     is(
       select.getAttributeValue("AXTitle"),
@@ -339,25 +336,5 @@ addAccessibleTask(
     });
     await evt;
     is(select.getAttributeValue("AXSelectedChildren").length, 0);
-    evt = waitForMacEvent("AXSelectedChildrenChanged");
-    three.setAttributeValue("AXSelected", true);
-    await evt;
-    is(select.getAttributeValue("AXSelectedChildren").length, 1);
-    ok(getSelectedIds(select).includes("three"), "'three' is selected");
-    evt = waitForMacEvent("AXSelectedChildrenChanged");
-    select.setAttributeValue("AXSelectedChildren", [one, two]);
-    await evt;
-    await untilCacheOk(() => {
-      let ids = getSelectedIds(select);
-      return ids[0] == "one" && ids[1] == "two";
-    }, "Got correct selected children");
-
-    evt = waitForMacEvent("AXSelectedChildrenChanged");
-    select.setAttributeValue("AXSelectedChildren", [three, two, four]);
-    await evt;
-    await untilCacheOk(() => {
-      let ids = getSelectedIds(select);
-      return ids[0] == "two" && ids[1] == "three";
-    }, "Got correct selected children");
   }
 );
diff --git a/accessible/tests/browser/role/browser_computedARIARole.js b/accessible/tests/browser/role/browser_computedARIARole.js
index 50cfe43c98..a87d0a0eae 100644
--- a/accessible/tests/browser/role/browser_computedARIARole.js
+++ b/accessible/tests/browser/role/browser_computedARIARole.js
@@ -14,7 +14,9 @@ addAccessibleTask(
 <div id="ariaDirectory" role="directory">ARIA directory</div>
 <div id="ariaAlertdialog" role="alertdialog">ARIA alertdialog</div>
 <div id="ariaFeed" role="feed">ARIA feed</div>
-<div id="ariaRowgroup" role="rowgroup">ARIA rowgroup</div>
+<div role="table">
+  <div id="ariaRowgroup" role="rowgroup">ARIA rowgroup</div>
+</div>
 <div id="ariaSearchbox" role="searchbox">ARIA searchbox</div>
 <div id="ariaUnknown" role="unknown">unknown ARIA role</div>
 <button id="htmlButton">HTML button</button>
diff --git a/accessible/tests/browser/scroll/browser.toml b/accessible/tests/browser/scroll/browser.toml
index ef637fe9a5..390e07db8e 100644
--- a/accessible/tests/browser/scroll/browser.toml
+++ b/accessible/tests/browser/scroll/browser.toml
@@ -3,7 +3,6 @@ subsuite = "a11y"
 support-files = [
   "head.js",
   "!/accessible/tests/browser/shared-head.js",
-  "!/accessible/tests/browser/*.jsm",
   "!/accessible/tests/mochitest/*.js",
 ]
 prefs = ["javascript.options.asyncstack_capture_debuggee_only=false"]
diff --git a/accessible/tests/browser/selectable/browser.toml b/accessible/tests/browser/selectable/browser.toml
index 38a13c25f4..144555b6a0 100644
--- a/accessible/tests/browser/selectable/browser.toml
+++ b/accessible/tests/browser/selectable/browser.toml
@@ -3,7 +3,6 @@ subsuite = "a11y"
 support-files = [
   "head.js",
   "!/accessible/tests/browser/shared-head.js",
-  "!/accessible/tests/browser/*.jsm",
   "!/accessible/tests/mochitest/*.js",
 ]
 prefs = ["javascript.options.asyncstack_capture_debuggee_only=false"]
diff --git a/accessible/tests/browser/selectable/browser_test_aria_select.js b/accessible/tests/browser/selectable/browser_test_aria_select.js
index f52603d1cb..dbc36956f8 100644
--- a/accessible/tests/browser/selectable/browser_test_aria_select.js
+++ b/accessible/tests/browser/selectable/browser_test_aria_select.js
@@ -72,16 +72,16 @@ addAccessibleTask(
 // role="tablist" aria-multiselectable
 addAccessibleTask(
   `<div role="tablist" id="tablist" aria-multiselectable="true">
-     <div role="tab" id="tab_multi1">tab1</div>
+     <div role="tab" id="tab_multi1" aria-selected="true">tab1</div>
      <div role="tab" id="tab_multi2">tab2</div>
+     <div role="tab" id="tab_multi3" aria-selected="true">tab3</div>
    </div>`,
   async function (browser, docAcc) {
     info('role="tablist" aria-multiselectable');
     let tablist = findAccessibleChildByID(docAcc, "tablist", [
       nsIAccessibleSelectable,
     ]);
-
-    await testMultiSelectable(tablist, ["tab_multi1", "tab_multi2"]);
+    testSelectableSelection(tablist, ["tab_multi1", "tab_multi3"]);
   },
   {
     chrome: true,
@@ -95,16 +95,16 @@ addAccessibleTask(
 // role="listbox" aria-multiselectable
 addAccessibleTask(
   `<div role="listbox" id="listbox" aria-multiselectable="true">
-     <div role="option" id="listbox2_item1">item1</div>
+     <div role="option" id="listbox2_item1" aria-selected="true">item1</div>
      <div role="option" id="listbox2_item2">item2</div>
+     <div role="option" id="listbox2_item3" aria-selected="true">item2</div>
    </div>`,
   async function (browser, docAcc) {
     info('role="listbox" aria-multiselectable');
     let listbox = findAccessibleChildByID(docAcc, "listbox", [
       nsIAccessibleSelectable,
     ]);
-
-    await testMultiSelectable(listbox, ["listbox2_item1", "listbox2_item2"]);
+    testSelectableSelection(listbox, ["listbox2_item1", "listbox2_item3"]);
   },
   {
     chrome: true,
@@ -122,7 +122,7 @@ addAccessibleTask(
     <thead>
       <tr>
         <th tabindex="-1" role="columnheader" id="grid_colhead1"
-            style="width:6em">Entry #</th>
+            style="width:6em" aria-selected="true">Entry #</th>
         <th tabindex="-1" role="columnheader" id="grid_colhead2"
             style="width:10em">Date</th>
         <th tabindex="-1" role="columnheader" id="grid_colhead3"
@@ -134,7 +134,7 @@ addAccessibleTask(
         <td tabindex="-1" role="rowheader" id="grid_rowhead"
             aria-readonly="true">1</td>
         <td tabindex="-1" role="gridcell" id="grid_cell1"
-            aria-selected="false">03/14/05</td>
+            aria-selected="true">03/14/05</td>
         <td tabindex="-1" role="gridcell" id="grid_cell2"
             aria-selected="false">Conference Fee</td>
       </tr>
@@ -145,15 +145,7 @@ addAccessibleTask(
     let grid = findAccessibleChildByID(docAcc, "grid", [
       nsIAccessibleSelectable,
     ]);
-
-    await testMultiSelectable(grid, [
-      "grid_colhead1",
-      "grid_colhead2",
-      "grid_colhead3",
-      "grid_rowhead",
-      "grid_cell1",
-      "grid_cell2",
-    ]);
+    testSelectableSelection(grid, ["grid_colhead1", "grid_cell1"]);
   },
   {
     chrome: true,
diff --git a/accessible/tests/browser/states/browser.toml b/accessible/tests/browser/states/browser.toml
index fe29597d27..6b2d20ae14 100644
--- a/accessible/tests/browser/states/browser.toml
+++ b/accessible/tests/browser/states/browser.toml
@@ -4,7 +4,6 @@ support-files = [
   "head.js",
   "!/accessible/tests/browser/shared-head.js",
   "!/accessible/tests/mochitest/*.js",
-  "!/accessible/tests/browser/*.jsm",
 ]
 prefs = ["javascript.options.asyncstack_capture_debuggee_only=false"]
 
diff --git a/accessible/tests/browser/text/browser.toml b/accessible/tests/browser/text/browser.toml
index c04531b126..4bc64866fc 100644
--- a/accessible/tests/browser/text/browser.toml
+++ b/accessible/tests/browser/text/browser.toml
@@ -3,7 +3,6 @@ subsuite = "a11y"
 support-files = [
   "head.js",
   "!/accessible/tests/browser/shared-head.js",
-  "!/accessible/tests/browser/*.jsm",
   "!/accessible/tests/mochitest/*.js",
 ]
 prefs = ["javascript.options.asyncstack_capture_debuggee_only=false"]
diff --git a/accessible/tests/browser/tree/browser.toml b/accessible/tests/browser/tree/browser.toml
index 64be6853d1..a7d9894fcb 100644
--- a/accessible/tests/browser/tree/browser.toml
+++ b/accessible/tests/browser/tree/browser.toml
@@ -4,7 +4,6 @@ support-files = [
   "head.js",
   "!/accessible/tests/browser/shared-head.js",
   "!/accessible/tests/mochitest/*.js",
-  "!/accessible/tests/browser/*.jsm",
 ]
 prefs = ["javascript.options.asyncstack_capture_debuggee_only=false"]
 
diff --git a/accessible/tests/browser/windows/a11y_setup.py b/accessible/tests/browser/windows/a11y_setup.py
index 726eea07a4..860364d99b 100644
--- a/accessible/tests/browser/windows/a11y_setup.py
+++ b/accessible/tests/browser/windows/a11y_setup.py
@@ -61,9 +61,6 @@ uiaClient = comtypes.CoCreateInstance(
     interface=uiaMod.IUIAutomation,
     clsctx=comtypes.CLSCTX_INPROC_SERVER,
 )
-TreeScope_Descendants = uiaMod.TreeScope_Descendants
-UIA_AutomationIdPropertyId = uiaMod.UIA_AutomationIdPropertyId
-del uiaMod
 
 
 def AccessibleObjectFromWindow(hwnd, objectID=OBJID_CLIENT):
@@ -173,7 +170,7 @@ class WaitForWinEvent:
     """
 
     def __init__(self, eventId, match):
-        """event is the event id to wait for.
+        """eventId is the event id to wait for.
         match is either None to match any object, an str containing the DOM id
         of the desired object, or a function taking a WinEvent which should
         return True if this is the requested event.
@@ -235,6 +232,7 @@ class WaitForWinEvent:
             raise
         finally:
             user32.UnhookWinEvent(self._hook)
+            ctypes.windll.kernel32.CloseHandle(self._signal)
             self._proc = None
         if isinstance(self._matched, Exception):
             raise self._matched from self._matched
@@ -243,17 +241,153 @@ class WaitForWinEvent:
 
 def getDocUia():
     """Get the IUIAutomationElement for the document being tested."""
-    # We start with IAccessible2 because there's no efficient way to
-    # find the document we want with UIA.
-    ia2 = getDocIa2()
-    return uiaClient.ElementFromIAccessible(ia2, CHILDID_SELF)
+    # There's no efficient way to find the document we want with UIA. We can't
+    # get the IA2 and then get UIA from that because that will always use the
+    # IA2 -> UIA proxy, but we don't want that if we're trying to test our
+    # native implementation. For now, we just search the tree. In future, we
+    # could perhaps implement a custom property.
+    hwnd = getFirefoxHwnd()
+    root = uiaClient.ElementFromHandle(hwnd)
+    doc = findUiaByDomId(root, "body")
+    if not doc:
+        # Sometimes, when UIA is disabled, we can't find the document for some
+        # unknown reason. Since this only happens when UIA is disabled, we want
+        # the IA2 -> UIA proxy anyway, so we can start with IA2 in this case.
+        info("getUiaDoc: Falling back to IA2")  # noqa: F821
+        ia2 = getDocIa2()
+        return uiaClient.ElementFromIAccessible(ia2, CHILDID_SELF)
+    child = uiaClient.RawViewWalker.GetFirstChildElement(doc)
+    if child and child.CurrentAutomationId == "default-iframe-id":
+        # This is an iframe or remoteIframe test.
+        doc = uiaClient.RawViewWalker.GetFirstChildElement(child)
+    return doc
 
 
 def findUiaByDomId(root, id):
-    cond = uiaClient.CreatePropertyCondition(UIA_AutomationIdPropertyId, id)
+    cond = uiaClient.CreatePropertyCondition(uiaMod.UIA_AutomationIdPropertyId, id)
     # FindFirst ignores elements in the raw tree, so we have to use
     # FindFirstBuildCache to override that, even though we don't want to cache
     # anything.
     request = uiaClient.CreateCacheRequest()
     request.TreeFilter = uiaClient.RawViewCondition
-    return root.FindFirstBuildCache(TreeScope_Descendants, cond, request)
+    el = root.FindFirstBuildCache(uiaMod.TreeScope_Descendants, cond, request)
+    if not el:
+        return None
+    # We need to test things that were introduced after UIA was initially
+    # introduced in Windows 7.
+    return el.QueryInterface(uiaMod.IUIAutomationElement9)
+
+
+class WaitForUiaEvent(comtypes.COMObject):
+    """Wait for a UIA event.
+    This should be used as follows:
+    1. Create an instance to wait for the desired event.
+    2. Perform the action that should fire the event.
+    3. Call wait() on the instance you created in 1) to wait for the event.
+    """
+
+    # This tells comtypes which COM interfaces we implement. It will then call
+    # either `ISomeInterface_SomeMethod` or just `SomeMethod` on this instance
+    # when that method is called using COM. We use the shorter convention, since
+    # we don't anticipate method name conflicts with UIA interfaces.
+    _com_interfaces_ = [
+        uiaMod.IUIAutomationFocusChangedEventHandler,
+        uiaMod.IUIAutomationPropertyChangedEventHandler,
+        uiaMod.IUIAutomationEventHandler,
+    ]
+
+    def __init__(self, *, eventId=None, property=None, match=None):
+        """eventId is the event id to wait for. Alternatively, you can pass
+        property to wait for a particular property to change.
+        match is either None to match any object, an str containing the DOM id
+        of the desired object, or a function taking a IUIAutomationElement which
+        should return True if this is the requested event.
+        """
+        self._match = match
+        self._matched = None
+        # A kernel event used to signal when we get the desired event.
+        self._signal = ctypes.windll.kernel32.CreateEventW(None, True, False, None)
+        if eventId == uiaMod.UIA_AutomationFocusChangedEventId:
+            uiaClient.AddFocusChangedEventHandler(None, self)
+        elif eventId:
+            # Generic automation event.
+            uiaClient.AddAutomationEventHandler(
+                eventId,
+                uiaClient.GetRootElement(),
+                uiaMod.TreeScope_Subtree,
+                None,
+                self,
+            )
+        elif property:
+            uiaClient.AddPropertyChangedEventHandler(
+                uiaClient.GetRootElement(),
+                uiaMod.TreeScope_Subtree,
+                None,
+                self,
+                [property],
+            )
+        else:
+            raise ValueError("No supported event specified")
+
+    def _checkMatch(self, sender):
+        if isinstance(self._match, str):
+            try:
+                if sender.CurrentAutomationId == self._match:
+                    self._matched = sender
+            except comtypes.COMError:
+                pass
+        elif callable(self._match):
+            try:
+                if self._match(sender):
+                    self._matched = sender
+            except Exception as e:
+                self._matched = e
+        else:
+            self._matched = sender
+        if self._matched:
+            ctypes.windll.kernel32.SetEvent(self._signal)
+
+    def HandleFocusChangedEvent(self, sender):
+        self._checkMatch(sender)
+
+    def HandlePropertyChangedEvent(self, sender, propertyId, newValue):
+        self._checkMatch(sender)
+
+    def HandleAutomationEvent(self, sender, eventId):
+        self._checkMatch(sender)
+
+    def wait(self):
+        """Wait for and return the IUIAutomationElement which sent the desired
+        event."""
+        # Pump Windows messages until we get the desired event, which will be
+        # signalled using a kernel event.
+        handles = (ctypes.c_void_p * 1)(self._signal)
+        index = ctypes.wintypes.DWORD()
+        TIMEOUT = 10000
+        try:
+            ctypes.oledll.ole32.CoWaitForMultipleHandles(
+                COWAIT_DEFAULT, TIMEOUT, 1, handles, ctypes.byref(index)
+            )
+        except WindowsError as e:
+            if e.winerror == RPC_S_CALLPENDING:
+                raise TimeoutError("Timeout before desired event received")
+            raise
+        finally:
+            uiaClient.RemoveAllEventHandlers()
+            ctypes.windll.kernel32.CloseHandle(self._signal)
+        if isinstance(self._matched, Exception):
+            raise self._matched from self._matched
+        return self._matched
+
+
+def getUiaPattern(element, patternName):
+    """Get a control pattern interface from an IUIAutomationElement."""
+    patternId = getattr(uiaMod, f"UIA_{patternName}PatternId")
+    unknown = element.GetCurrentPattern(patternId)
+    if not unknown:
+        return None
+    # GetCurrentPattern returns an IUnknown. We have to QI to the real
+    # interface.
+    # Get the comtypes interface object.
+    interface = getattr(uiaMod, f"IUIAutomation{patternName}Pattern")
+    return unknown.QueryInterface(interface)
diff --git a/accessible/tests/browser/windows/uia/browser.toml b/accessible/tests/browser/windows/uia/browser.toml
index d1513c1822..75728f56d7 100644
--- a/accessible/tests/browser/windows/uia/browser.toml
+++ b/accessible/tests/browser/windows/uia/browser.toml
@@ -10,4 +10,9 @@ support-files = ["head.js"]
 
 ["browser_elementFromPoint.js"]
 
+["browser_focus.js"]
+["browser_generalProps.js"]
+
+["browser_simplePatterns.js"]
+
 ["browser_tree.js"]
diff --git a/accessible/tests/browser/windows/uia/browser_focus.js b/accessible/tests/browser/windows/uia/browser_focus.js
new file mode 100644
index 0000000000..f26c9e1d1b
--- /dev/null
+++ b/accessible/tests/browser/windows/uia/browser_focus.js
@@ -0,0 +1,61 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+async function testIsFocusable(pyVar, isFocusable) {
+  const result = await runPython(`${pyVar}.CurrentIsKeyboardFocusable`);
+  if (isFocusable) {
+    ok(result, `${pyVar} is focusable`);
+  } else {
+    ok(!result, `${pyVar} isn't focusable`);
+  }
+}
+
+async function testHasFocus(pyVar, hasFocus) {
+  const result = await runPython(`${pyVar}.CurrentHasKeyboardFocus`);
+  if (hasFocus) {
+    ok(result, `${pyVar} has focus`);
+  } else {
+    ok(!result, `${pyVar} doesn't have focus`);
+  }
+}
+
+addUiaTask(
+  `
+<button id="button1">button1</button>
+<p id="p">p</p>
+<button id="button2">button2</button>
+  `,
+  async function (browser) {
+    await definePyVar("doc", `getDocUia()`);
+    await testIsFocusable("doc", true);
+    await testHasFocus("doc", true);
+
+    await assignPyVarToUiaWithId("button1");
+    await testIsFocusable("button1", true);
+    await testHasFocus("button1", false);
+    info("Focusing button1");
+    await setUpWaitForUiaEvent("AutomationFocusChanged", "button1");
+    await invokeFocus(browser, "button1");
+    await waitForUiaEvent();
+    ok(true, "Got AutomationFocusChanged event on button1");
+    await testHasFocus("button1", true);
+
+    await assignPyVarToUiaWithId("p");
+    await testIsFocusable("p", false);
+    await testHasFocus("p", false);
+
+    await assignPyVarToUiaWithId("button2");
+    await testIsFocusable("button2", true);
+    await testHasFocus("button2", false);
+    info("Focusing button2");
+    await setUpWaitForUiaEvent("AutomationFocusChanged", "button2");
+    await invokeFocus(browser, "button2");
+    await waitForUiaEvent();
+    ok(true, "Got AutomationFocusChanged event on button2");
+    await testHasFocus("button2", true);
+    await testHasFocus("button1", false);
+  }
+);
diff --git a/accessible/tests/browser/windows/uia/browser_generalProps.js b/accessible/tests/browser/windows/uia/browser_generalProps.js
new file mode 100644
index 0000000000..5cfda226d0
--- /dev/null
+++ b/accessible/tests/browser/windows/uia/browser_generalProps.js
@@ -0,0 +1,105 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/**
+ * Test the Name property.
+ */
+addUiaTask(
+  `
+<button id="button">before</button>
+<div id="div">div</div>
+  `,
+  async function testName(browser) {
+    await definePyVar("doc", `getDocUia()`);
+    await assignPyVarToUiaWithId("button");
+    is(
+      await runPython(`button.CurrentName`),
+      "before",
+      "button has correct name"
+    );
+    await assignPyVarToUiaWithId("div");
+    is(await runPython(`div.CurrentName`), "", "div has no name");
+
+    info("Setting aria-label on button");
+    await setUpWaitForUiaPropEvent("Name", "button");
+    await invokeSetAttribute(browser, "button", "aria-label", "after");
+    await waitForUiaEvent();
+    ok(true, "Got Name prop change event on button");
+    is(
+      await runPython(`button.CurrentName`),
+      "after",
+      "button has correct name"
+    );
+  }
+);
+
+/**
+ * Test the FullDescription property.
+ */
+addUiaTask(
+  `
+<button id="button" aria-description="before">button</button>
+<div id="div">div</div>
+  `,
+  async function testFullDescription(browser) {
+    await definePyVar("doc", `getDocUia()`);
+    await assignPyVarToUiaWithId("button");
+    is(
+      await runPython(`button.CurrentFullDescription`),
+      "before",
+      "button has correct FullDescription"
+    );
+    await assignPyVarToUiaWithId("div");
+    is(
+      await runPython(`div.CurrentFullDescription`),
+      "",
+      "div has no FullDescription"
+    );
+
+    info("Setting aria-description on button");
+    await setUpWaitForUiaPropEvent("FullDescription", "button");
+    await invokeSetAttribute(browser, "button", "aria-description", "after");
+    await waitForUiaEvent();
+    ok(true, "Got FullDescription prop change event on button");
+    is(
+      await runPython(`button.CurrentFullDescription`),
+      "after",
+      "button has correct FullDescription"
+    );
+  },
+  // The IA2 -> UIA proxy doesn't support FullDescription.
+  { uiaEnabled: true, uiaDisabled: false }
+);
+
+/**
+ * Test the IsEnabled property.
+ */
+addUiaTask(
+  `
+<button id="button">button</button>
+<p id="p">p</p>
+  `,
+  async function testIsEnabled(browser) {
+    await definePyVar("doc", `getDocUia()`);
+    await assignPyVarToUiaWithId("button");
+    ok(await runPython(`button.CurrentIsEnabled`), "button has IsEnabled true");
+    // The IA2 -> UIA proxy doesn't fire IsEnabled prop change events.
+    if (gIsUiaEnabled) {
+      info("Setting disabled on button");
+      await setUpWaitForUiaPropEvent("IsEnabled", "button");
+      await invokeSetAttribute(browser, "button", "disabled", true);
+      await waitForUiaEvent();
+      ok(true, "Got IsEnabled prop change event on button");
+      ok(
+        !(await runPython(`button.CurrentIsEnabled`)),
+        "button has IsEnabled false"
+      );
+    }
+
+    await assignPyVarToUiaWithId("p");
+    ok(await runPython(`p.CurrentIsEnabled`), "p has IsEnabled true");
+  }
+);
diff --git a/accessible/tests/browser/windows/uia/browser_simplePatterns.js b/accessible/tests/browser/windows/uia/browser_simplePatterns.js
new file mode 100644
index 0000000000..f464db0e13
--- /dev/null
+++ b/accessible/tests/browser/windows/uia/browser_simplePatterns.js
@@ -0,0 +1,445 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/* import-globals-from ../../../mochitest/role.js */
+/* import-globals-from ../../../mochitest/states.js */
+loadScripts(
+  { name: "role.js", dir: MOCHITESTS_DIR },
+  { name: "states.js", dir: MOCHITESTS_DIR }
+);
+
+/* eslint-disable camelcase */
+const ExpandCollapseState_Collapsed = 0;
+const ExpandCollapseState_Expanded = 1;
+const ToggleState_Off = 0;
+const ToggleState_On = 1;
+const ToggleState_Indeterminate = 2;
+/* eslint-enable camelcase */
+
+/**
+ * Test the Invoke pattern.
+ */
+addUiaTask(
+  `
+<button id="button">button</button>
+<p id="p">p</p>
+<input id="checkbox" type="checkbox">
+  `,
+  async function testInvoke() {
+    await definePyVar("doc", `getDocUia()`);
+    await assignPyVarToUiaWithId("button");
+    await definePyVar("pattern", `getUiaPattern(button, "Invoke")`);
+    ok(await runPython(`bool(pattern)`), "button has Invoke pattern");
+    info("Calling Invoke on button");
+    // The button will get focus when it is clicked.
+    let focused = waitForEvent(EVENT_FOCUS, "button");
+    // The UIA -> IA2 proxy doesn't fire the Invoked event.
+    if (gIsUiaEnabled) {
+      await setUpWaitForUiaEvent("Invoke_Invoked", "button");
+    }
+    await runPython(`pattern.Invoke()`);
+    await focused;
+    ok(true, "button got focus");
+    if (gIsUiaEnabled) {
+      await waitForUiaEvent();
+      ok(true, "button got Invoked event");
+    }
+
+    await testPatternAbsent("p", "Invoke");
+    // The Microsoft IA2 -> UIA proxy doesn't follow Microsoft's own rules.
+    if (gIsUiaEnabled) {
+      // Check boxes expose the Toggle pattern, so they should not expose the
+      // Invoke pattern.
+      await testPatternAbsent("checkbox", "Invoke");
+    }
+  }
+);
+
+/**
+ * Test the Toggle pattern.
+ */
+addUiaTask(
+  `
+<input id="checkbox" type="checkbox" checked>
+<button id="toggleButton" aria-pressed="false">toggle</button>
+<button id="button">button</button>
+<p id="p">p</p>
+
+<script>
+  // When checkbox is clicked and it is not checked, make it indeterminate.
+  document.getElementById("checkbox").addEventListener("click", evt => {
+    // Within the event listener, .checked is reversed and you can't set
+    // .indeterminate. Work around this by deferring and handling the changes
+    // ourselves.
+    evt.preventDefault();
+    const target = evt.target;
+    setTimeout(() => {
+      if (target.checked) {
+        target.checked = false;
+      } else {
+        target.indeterminate = true;
+      }
+    }, 0);
+  });
+
+  // When toggleButton is clicked, set aria-pressed to true.
+  document.getElementById("toggleButton").addEventListener("click", evt => {
+    evt.target.ariaPressed = "true";
+  });
+</script>
+  `,
+  async function testToggle() {
+    await definePyVar("doc", `getDocUia()`);
+    await assignPyVarToUiaWithId("checkbox");
+    await definePyVar("pattern", `getUiaPattern(checkbox, "Toggle")`);
+    ok(await runPython(`bool(pattern)`), "checkbox has Toggle pattern");
+    is(
+      await runPython(`pattern.CurrentToggleState`),
+      ToggleState_On,
+      "checkbox has ToggleState_On"
+    );
+    // The IA2 -> UIA proxy doesn't fire ToggleState prop change events.
+    if (gIsUiaEnabled) {
+      info("Calling Toggle on checkbox");
+      await setUpWaitForUiaPropEvent("ToggleToggleState", "checkbox");
+      await runPython(`pattern.Toggle()`);
+      await waitForUiaEvent();
+      ok(true, "Got ToggleState prop change event on checkbox");
+      is(
+        await runPython(`pattern.CurrentToggleState`),
+        ToggleState_Off,
+        "checkbox has ToggleState_Off"
+      );
+      info("Calling Toggle on checkbox");
+      await setUpWaitForUiaPropEvent("ToggleToggleState", "checkbox");
+      await runPython(`pattern.Toggle()`);
+      await waitForUiaEvent();
+      ok(true, "Got ToggleState prop change event on checkbox");
+      is(
+        await runPython(`pattern.CurrentToggleState`),
+        ToggleState_Indeterminate,
+        "checkbox has ToggleState_Indeterminate"
+      );
+    }
+
+    await assignPyVarToUiaWithId("toggleButton");
+    await definePyVar("pattern", `getUiaPattern(toggleButton, "Toggle")`);
+    ok(await runPython(`bool(pattern)`), "toggleButton has Toggle pattern");
+    is(
+      await runPython(`pattern.CurrentToggleState`),
+      ToggleState_Off,
+      "toggleButton has ToggleState_Off"
+    );
+    if (gIsUiaEnabled) {
+      info("Calling Toggle on toggleButton");
+      await setUpWaitForUiaPropEvent("ToggleToggleState", "toggleButton");
+      await runPython(`pattern.Toggle()`);
+      await waitForUiaEvent();
+      ok(true, "Got ToggleState prop change event on toggleButton");
+      is(
+        await runPython(`pattern.CurrentToggleState`),
+        ToggleState_On,
+        "toggleButton has ToggleState_Off"
+      );
+    }
+
+    await testPatternAbsent("button", "Toggle");
+    await testPatternAbsent("p", "Toggle");
+  }
+);
+
+/**
+ * Test the ExpandCollapse pattern.
+ */
+addUiaTask(
+  `
+<details>
+  <summary id="summary">summary</summary>
+  details
+</details>
+<button id="popup" aria-haspopup="true">popup</button>
+<button id="button">button</button>
+<script>
+  // When popup is clicked, set aria-expanded to true.
+  document.getElementById("popup").addEventListener("click", evt => {
+    evt.target.ariaExpanded = "true";
+  });
+</script>
+  `,
+  async function testExpandCollapse() {
+    await definePyVar("doc", `getDocUia()`);
+    await assignPyVarToUiaWithId("summary");
+    await definePyVar("pattern", `getUiaPattern(summary, "ExpandCollapse")`);
+    ok(await runPython(`bool(pattern)`), "summary has ExpandCollapse pattern");
+    is(
+      await runPython(`pattern.CurrentExpandCollapseState`),
+      ExpandCollapseState_Collapsed,
+      "summary has ExpandCollapseState_Collapsed"
+    );
+    // The IA2 -> UIA proxy doesn't fire ToggleState prop change events, nor
+    // does it fail when Expand/Collapse is called on a control which is
+    // already in the desired state.
+    if (gIsUiaEnabled) {
+      info("Calling Expand on summary");
+      await setUpWaitForUiaPropEvent(
+        "ExpandCollapseExpandCollapseState",
+        "summary"
+      );
+      await runPython(`pattern.Expand()`);
+      await waitForUiaEvent();
+      ok(
+        true,
+        "Got ExpandCollapseExpandCollapseState prop change event on summary"
+      );
+      is(
+        await runPython(`pattern.CurrentExpandCollapseState`),
+        ExpandCollapseState_Expanded,
+        "summary has ExpandCollapseState_Expanded"
+      );
+      info("Calling Expand on summary");
+      await testPythonRaises(`pattern.Expand()`, "Expand on summary failed");
+      info("Calling Collapse on summary");
+      await setUpWaitForUiaPropEvent(
+        "ExpandCollapseExpandCollapseState",
+        "summary"
+      );
+      await runPython(`pattern.Collapse()`);
+      await waitForUiaEvent();
+      ok(
+        true,
+        "Got ExpandCollapseExpandCollapseState prop change event on summary"
+      );
+      is(
+        await runPython(`pattern.CurrentExpandCollapseState`),
+        ExpandCollapseState_Collapsed,
+        "summary has ExpandCollapseState_Collapsed"
+      );
+      info("Calling Collapse on summary");
+      await testPythonRaises(
+        `pattern.Collapse()`,
+        "Collapse on summary failed"
+      );
+    }
+
+    await assignPyVarToUiaWithId("popup");
+    // Initially, popup has aria-haspopup but not aria-expanded. That should
+    // be exposed as collapsed.
+    await definePyVar("pattern", `getUiaPattern(popup, "ExpandCollapse")`);
+    ok(await runPython(`bool(pattern)`), "popup has ExpandCollapse pattern");
+    // The IA2 -> UIA proxy doesn't expose ExpandCollapseState_Collapsed for
+    // aria-haspopup without aria-expanded.
+    if (gIsUiaEnabled) {
+      is(
+        await runPython(`pattern.CurrentExpandCollapseState`),
+        ExpandCollapseState_Collapsed,
+        "popup has ExpandCollapseState_Collapsed"
+      );
+      info("Calling Expand on popup");
+      await setUpWaitForUiaPropEvent(
+        "ExpandCollapseExpandCollapseState",
+        "popup"
+      );
+      await runPython(`pattern.Expand()`);
+      await waitForUiaEvent();
+      ok(
+        true,
+        "Got ExpandCollapseExpandCollapseState prop change event on popup"
+      );
+      is(
+        await runPython(`pattern.CurrentExpandCollapseState`),
+        ExpandCollapseState_Expanded,
+        "popup has ExpandCollapseState_Expanded"
+      );
+    }
+
+    await testPatternAbsent("button", "ExpandCollapse");
+  }
+);
+
+/**
+ * Test the ScrollItem pattern.
+ */
+addUiaTask(
+  `
+<hr style="height: 100vh;">
+<button id="button">button</button>
+  `,
+  async function testScrollItem(browser, docAcc) {
+    await definePyVar("doc", `getDocUia()`);
+    await assignPyVarToUiaWithId("button");
+    await definePyVar("pattern", `getUiaPattern(button, "ScrollItem")`);
+    ok(await runPython(`bool(pattern)`), "button has ScrollItem pattern");
+    const button = findAccessibleChildByID(docAcc, "button");
+    testStates(button, STATE_OFFSCREEN);
+    info("Calling ScrollIntoView on button");
+    // UIA doesn't have an event for this.
+    let scrolled = waitForEvent(EVENT_SCROLLING_END, docAcc);
+    await runPython(`pattern.ScrollIntoView()`);
+    await scrolled;
+    ok(true, "Document scrolled");
+    testStates(button, 0, 0, STATE_OFFSCREEN);
+  }
+);
+
+/**
+ * Test the Value pattern.
+ */
+addUiaTask(
+  `
+<input id="text" value="before">
+<input id="textRo" readonly value="textRo">
+<input id="textDis" disabled value="textDis">
+<select id="select"><option selected>a</option><option>b</option></select>
+<progress id="progress" value="0.5"></progress>
+<input id="range" type="range" aria-valuetext="02:00:00">
+<a id="link" href="https://example.com/">Link</a>
+<div id="ariaTextbox" contenteditable role="textbox">before</div>
+<button id="button">button</button>
+  `,
+  async function testValue() {
+    await definePyVar("doc", `getDocUia()`);
+    await assignPyVarToUiaWithId("text");
+    await definePyVar("pattern", `getUiaPattern(text, "Value")`);
+    ok(await runPython(`bool(pattern)`), "text has Value pattern");
+    ok(
+      !(await runPython(`pattern.CurrentIsReadOnly`)),
+      "text has IsReadOnly false"
+    );
+    is(
+      await runPython(`pattern.CurrentValue`),
+      "before",
+      "text has correct Value"
+    );
+    info("SetValue on text");
+    await setUpWaitForUiaPropEvent("ValueValue", "text");
+    await runPython(`pattern.SetValue("after")`);
+    await waitForUiaEvent();
+    is(
+      await runPython(`pattern.CurrentValue`),
+      "after",
+      "text has correct Value"
+    );
+
+    await assignPyVarToUiaWithId("textRo");
+    await definePyVar("pattern", `getUiaPattern(textRo, "Value")`);
+    ok(await runPython(`bool(pattern)`), "textRo has Value pattern");
+    ok(
+      await runPython(`pattern.CurrentIsReadOnly`),
+      "textRo has IsReadOnly true"
+    );
+    is(
+      await runPython(`pattern.CurrentValue`),
+      "textRo",
+      "textRo has correct Value"
+    );
+    info("SetValue on textRo");
+    await testPythonRaises(
+      `pattern.SetValue("after")`,
+      "SetValue on textRo failed"
+    );
+
+    await assignPyVarToUiaWithId("textDis");
+    await definePyVar("pattern", `getUiaPattern(textDis, "Value")`);
+    ok(await runPython(`bool(pattern)`), "textDis has Value pattern");
+    ok(
+      !(await runPython(`pattern.CurrentIsReadOnly`)),
+      "textDis has IsReadOnly false"
+    );
+    is(
+      await runPython(`pattern.CurrentValue`),
+      "textDis",
+      "textDis has correct Value"
+    );
+    // The IA2 -> UIA proxy doesn't fail SetValue for a disabled element.
+    if (gIsUiaEnabled) {
+      info("SetValue on textDis");
+      await testPythonRaises(
+        `pattern.SetValue("after")`,
+        "SetValue on textDis failed"
+      );
+    }
+
+    await assignPyVarToUiaWithId("select");
+    await definePyVar("pattern", `getUiaPattern(select, "Value")`);
+    ok(await runPython(`bool(pattern)`), "select has Value pattern");
+    ok(
+      !(await runPython(`pattern.CurrentIsReadOnly`)),
+      "select has IsReadOnly false"
+    );
+    is(
+      await runPython(`pattern.CurrentValue`),
+      "a",
+      "select has correct Value"
+    );
+    info("SetValue on select");
+    await testPythonRaises(
+      `pattern.SetValue("b")`,
+      "SetValue on select failed"
+    );
+
+    await assignPyVarToUiaWithId("progress");
+    await definePyVar("pattern", `getUiaPattern(progress, "Value")`);
+    ok(await runPython(`bool(pattern)`), "progress has Value pattern");
+    // Gecko a11y doesn't treat progress bars as read only, but it probably
+    // should.
+    todo(
+      await runPython(`pattern.CurrentIsReadOnly`),
+      "progress has IsReadOnly true"
+    );
+    is(
+      await runPython(`pattern.CurrentValue`),
+      "50%",
+      "progress has correct Value"
+    );
+    info("SetValue on progress");
+    await testPythonRaises(
+      `pattern.SetValue("60%")`,
+      "SetValue on progress failed"
+    );
+
+    await assignPyVarToUiaWithId("range");
+    await definePyVar("pattern", `getUiaPattern(range, "Value")`);
+    ok(await runPython(`bool(pattern)`), "range has Value pattern");
+    is(
+      await runPython(`pattern.CurrentValue`),
+      "02:00:00",
+      "range has correct Value"
+    );
+
+    await assignPyVarToUiaWithId("link");
+    await definePyVar("pattern", `getUiaPattern(link, "Value")`);
+    ok(await runPython(`bool(pattern)`), "link has Value pattern");
+    is(
+      await runPython(`pattern.CurrentValue`),
+      "https://example.com/",
+      "link has correct Value"
+    );
+
+    await assignPyVarToUiaWithId("ariaTextbox");
+    await definePyVar("pattern", `getUiaPattern(ariaTextbox, "Value")`);
+    ok(await runPython(`bool(pattern)`), "ariaTextbox has Value pattern");
+    ok(
+      !(await runPython(`pattern.CurrentIsReadOnly`)),
+      "ariaTextbox has IsReadOnly false"
+    );
+    is(
+      await runPython(`pattern.CurrentValue`),
+      "before",
+      "ariaTextbox has correct Value"
+    );
+    info("SetValue on ariaTextbox");
+    await setUpWaitForUiaPropEvent("ValueValue", "ariaTextbox");
+    await runPython(`pattern.SetValue("after")`);
+    await waitForUiaEvent();
+    is(
+      await runPython(`pattern.CurrentValue`),
+      "after",
+      "ariaTextbox has correct Value"
+    );
+
+    await testPatternAbsent("button", "Value");
+  }
+);
diff --git a/accessible/tests/browser/windows/uia/browser_tree.js b/accessible/tests/browser/windows/uia/browser_tree.js
index 778609bedb..c63045b6d1 100644
--- a/accessible/tests/browser/windows/uia/browser_tree.js
+++ b/accessible/tests/browser/windows/uia/browser_tree.js
@@ -13,24 +13,6 @@ async function testIsControl(pyVar, isControl) {
   }
 }
 
-/**
- * Define a global Python variable and assign it to a given Python expression.
- */
-function definePyVar(varName, expression) {
-  return runPython(`
-    global ${varName}
-    ${varName} = ${expression}
-  `);
-}
-
-/**
- * Get the UIA element with the given id and assign it to a global Python
- * variable using the id as the variable name.
- */
-function assignPyVarToUiaWithId(id) {
-  return definePyVar(id, `findUiaByDomId(doc, "${id}")`);
-}
-
 addUiaTask(
   `
 <p id="p">paragraph</p>
@@ -46,7 +28,7 @@ addUiaTask(
 <div id="editable" contenteditable>editable</div>
 <table id="table"><tr><th>th</th></tr></table>
   `,
-  async function (browser, docAcc) {
+  async function () {
     await definePyVar("doc", `getDocUia()`);
     await assignPyVarToUiaWithId("p");
     await testIsControl("p", false);
diff --git a/accessible/tests/browser/windows/uia/head.js b/accessible/tests/browser/windows/uia/head.js
index e659354c7c..5b453ce6fe 100644
--- a/accessible/tests/browser/windows/uia/head.js
+++ b/accessible/tests/browser/windows/uia/head.js
@@ -4,7 +4,7 @@
 
 "use strict";
 
-/* exported gIsUiaEnabled, addUiaTask */
+/* exported gIsUiaEnabled, addUiaTask, definePyVar, assignPyVarToUiaWithId, setUpWaitForUiaEvent, setUpWaitForUiaPropEvent, waitForUiaEvent, testPatternAbsent, testPythonRaises */
 
 // Load the shared-head file first.
 Services.scriptloader.loadSubScript(
@@ -53,3 +53,76 @@ function addUiaTask(doc, task, options = {}) {
     addTask(false);
   }
 }
+
+/**
+ * Define a global Python variable and assign it to a given Python expression.
+ */
+function definePyVar(varName, expression) {
+  return runPython(`
+    global ${varName}
+    ${varName} = ${expression}
+  `);
+}
+
+/**
+ * Get the UIA element with the given id and assign it to a global Python
+ * variable using the id as the variable name.
+ */
+function assignPyVarToUiaWithId(id) {
+  return definePyVar(id, `findUiaByDomId(doc, "${id}")`);
+}
+
+/**
+ * Set up to wait for a UIA event. You must await this before performing the
+ * action which fires the event.
+ */
+function setUpWaitForUiaEvent(eventName, id) {
+  return definePyVar(
+    "onEvent",
+    `WaitForUiaEvent(eventId=UIA_${eventName}EventId, match="${id}")`
+  );
+}
+
+/**
+ * Set up to wait for a UIA property change event. You must await this before
+ * performing the action which fires the event.
+ */
+function setUpWaitForUiaPropEvent(propName, id) {
+  return definePyVar(
+    "onEvent",
+    `WaitForUiaEvent(property=UIA_${propName}PropertyId, match="${id}")`
+  );
+}
+
+/**
+ * Wait for the event requested in setUpWaitForUia*Event.
+ */
+function waitForUiaEvent() {
+  return runPython(`
+    onEvent.wait()
+  `);
+}
+
+/**
+ * Verify that a UIA element does *not* support the given control pattern.
+ */
+async function testPatternAbsent(id, patternName) {
+  const hasPattern = await runPython(`
+    el = findUiaByDomId(doc, "${id}")
+    return bool(getUiaPattern(el, "${patternName}"))
+  `);
+  ok(!hasPattern, `${id} doesn't have ${patternName} pattern`);
+}
+
+/**
+ * Verify that a Python expression raises an exception.
+ */
+async function testPythonRaises(expression, message) {
+  let failed = false;
+  try {
+    await runPython(expression);
+  } catch {
+    failed = true;
+  }
+  ok(failed, message);
+}
diff --git a/accessible/tests/mochitest/attributes/test_obj_group.xhtml b/accessible/tests/mochitest/attributes/test_obj_group.xhtml
index 0eda4b6f2d..ba0c8bd357 100644
--- a/accessible/tests/mochitest/attributes/test_obj_group.xhtml
+++ b/accessible/tests/mochitest/attributes/test_obj_group.xhtml
@@ -196,17 +196,19 @@
   </menulist>
 
   <vbox>
-    <description role="menuitem" id="aria-menuitem"
-                 value="conventional menuitem"/>
-    <description role="menuitemcheckbox" id="aria-menuitemcheckbox"
-                 value="conventional checkbox menuitem"/>
-    <description role="menuitem" hidden="true"/>
-    <description role="menuitemradio" id="aria-menuitemradio"
-                 value="conventional radio menuitem"/>
-    <description role="separator"
-                 value="conventional separator"/>
-    <description role="menuitem" id="aria-menuitem2"
-                 value="conventional menuitem"/>
+    <div role="menu">
+      <description role="menuitem" id="aria-menuitem"
+                  value="conventional menuitem"/>
+      <description role="menuitemcheckbox" id="aria-menuitemcheckbox"
+                  value="conventional checkbox menuitem"/>
+      <description role="menuitem" hidden="true"/>
+      <description role="menuitemradio" id="aria-menuitemradio"
+                  value="conventional radio menuitem"/>
+      <description role="separator"
+                  value="conventional separator"/>
+      <description role="menuitem" id="aria-menuitem2"
+                  value="conventional menuitem"/>
+    </div>
   </vbox>
 
   </vbox>
diff --git a/accessible/tests/mochitest/focus/test_takeFocus.html b/accessible/tests/mochitest/focus/test_takeFocus.html
index 752ed66b36..6384fbfcb8 100644
--- a/accessible/tests/mochitest/focus/test_takeFocus.html
+++ b/accessible/tests/mochitest/focus/test_takeFocus.html
@@ -48,7 +48,6 @@
       gQueue.push(new takeFocusInvoker("aria-link"));
       gQueue.push(new takeFocusInvoker("aria-link2"));
       gQueue.push(new takeFocusInvoker("link"));
-      gQueue.push(new takeFocusInvoker("item2"));
       gQueue.push(new takeFocusInvoker(document));
       gQueue.push(new takeFocusInvoker("lb_item2"));
       gQueue.push(new takeFocusInvoker(document));
diff --git a/accessible/tests/mochitest/name/test_general.html b/accessible/tests/mochitest/name/test_general.html
index 09723e6222..47104ced3e 100644
--- a/accessible/tests/mochitest/name/test_general.html
+++ b/accessible/tests/mochitest/name/test_general.html
@@ -105,7 +105,7 @@
       // The label element contains the button. The name is calculated from
       // this button.
       // Note: the name contains the content of the button.
-      testName("btn_label_inside", "text10text");
+      testName("btn_label_inside", "text 10 text");
 
       // The label element and the button are placed in the same form. Gets
       // the name from the label subtree.
@@ -713,17 +713,21 @@
   <div id="grouping" role="group">label</div>
   <button id="requested_name_from_grouping"aria-labelledby="grouping"></button>
   <!-- Name from sub tree of tbody marked as display:block;, which is also a grouping -->
-  <div id="listitem_containing_block_tbody" role="listitem">
-    <table>
-      <tbody style="display: block;">
-        <tr><td>label</td></tr>
-      </tbody>
-    </table>
+  <div role="list">
+    <div id="listitem_containing_block_tbody" role="listitem">
+      <table>
+        <tbody style="display: block;">
+          <tr><td>label</td></tr>
+        </tbody>
+      </table>
+    </div>
   </div>
   <!-- Name from subtree of treeitem containing grouping -->
-  <div id="treeitem_containing_grouping" role="treeitem" aria-level="1" aria-expanded="true">root
-    <div role="group">
-      <div role="treeitem" aria-level="2">sub</div>
+  <div role="tree">
+    <div id="treeitem_containing_grouping" role="treeitem" aria-level="1" aria-expanded="true">root
+      <div role="group">
+        <div role="treeitem" aria-level="2">sub</div>
+      </div>
     </div>
   </div>
 
@@ -735,11 +739,13 @@
   </div>
 
   <!-- Text nodes and inline elements. -->
-  <div id="container_text_inline" role="option">a<strong>b</strong>c</div>
-  <!-- Text nodes and block elements. -->
-  <div id="container_text_block" role="option">a<p>b</p>c</div>
-  <!-- Text nodes and empty block elements. -->
-  <div id="container_text_emptyblock" role="option">a<p></p><p></p>b</div>
+  <div role="listbox">
+    <div id="container_text_inline" role="option">a<strong>b</strong>c</div>
+    <!-- Text nodes and block elements. -->
+    <div id="container_text_block" role="option">a<p>b</p>c</div>
+    <!-- Text nodes and empty block elements. -->
+    <div id="container_text_emptyblock" role="option">a<p></p><p></p>b</div>
+  </div>
 
   <!-- aria-labelledby referring to a slot -->
   <div id="shadowHost">
diff --git a/accessible/tests/mochitest/relations/a11y.toml b/accessible/tests/mochitest/relations/a11y.toml
index ae41bf91a5..77021c28cf 100644
--- a/accessible/tests/mochitest/relations/a11y.toml
+++ b/accessible/tests/mochitest/relations/a11y.toml
@@ -18,6 +18,4 @@ skip-if = [
 
 ["test_tree.xhtml"]
 
-["test_ui_modalprompt.html"]
-
 ["test_update.html"]
diff --git a/accessible/tests/mochitest/relations/test_ui_modalprompt.html b/accessible/tests/mochitest/relations/test_ui_modalprompt.html
deleted file mode 100644
index a05b273d86..0000000000
--- a/accessible/tests/mochitest/relations/test_ui_modalprompt.html
+++ /dev/null
@@ -1,111 +0,0 @@
-<html>
-
-<head>
-  <title>Modal prompts</title>
-  <link rel="stylesheet" type="text/css"
-        href="chrome://mochikit/content/tests/SimpleTest/test.css" />
-
-  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
-  <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
-
-  <script type="application/javascript"
-          src="../common.js"></script>
-  <script type="application/javascript"
-          src="../relations.js"></script>
-  <script type="application/javascript"
-          src="../role.js"></script>
-  <script type="application/javascript"
-          src="../events.js"></script>
-  <script type="application/javascript"
-          src="../browser.js"></script>
-
-  <script type="application/javascript">
-    SpecialPowers.pushPrefEnv({
-      set: [["prompts.contentPromptSubDialog", false]],
-    });
-    function showAlert() {
-      this.eventSeq = [
-        {
-          type: EVENT_SHOW,
-          match(aEvent) {
-            return aEvent.accessible.role == ROLE_DIALOG;
-          },
-        },
-      ];
-
-      this.invoke = function showAlert_invoke() {
-        window.setTimeout(
-          function() {
-            currentTabDocument().defaultView.alert("hello");
-          }, 0);
-      };
-
-      this.check = function showAlert_finalCheck(aEvent) {
-        if(aEvent.type === EVENT_HIDE) {
-          return;
-        }
-        var dialog = aEvent.accessible.DOMNode;
-        var info = dialog.querySelector(".tabmodalprompt-infoBody");
-        testRelation(info, RELATION_DESCRIPTION_FOR, dialog);
-        testRelation(dialog, RELATION_DESCRIBED_BY, info);
-      };
-
-      this.getID = function showAlert_getID() {
-        return "show alert";
-      };
-    }
-
-    function closeAlert() {
-      this.eventSeq = [
-        {
-          type: EVENT_HIDE,
-          match(aEvent) {
-            return aEvent.accessible.role == ROLE_DIALOG;
-          },
-        },
-      ];
-
-      this.invoke = function showAlert_invoke() {
-        synthesizeKey("VK_RETURN", {}, browserWindow());
-      };
-
-      this.getID = function showAlert_getID() {
-        return "cleanup alert";
-      };
-    }
-
-
-    // gA11yEventDumpToConsole = true; // debug
-
-    var gQueue = null;
-    function doTests() {
-      gQueue = new eventQueue();
-      gQueue.push(new showAlert());
-      gQueue.push(new closeAlert());
-      gQueue.onFinish = function() {
-        closeBrowserWindow();
-      };
-      gQueue.invoke(); // will call SimpleTest.finish()
-    }
-
-    SimpleTest.waitForExplicitFinish();
-    openBrowserWindow(doTests);
-  </script>
-
-</head>
-
-<body id="body">
-
-  <a target="_blank"
-     href="https://bugzilla.mozilla.org/show_bug.cgi?id=661293"
-     title="The tabmodalprompt dialog's prompt label doesn't get the text properly associated for accessibility">
-    Mozilla Bug 661293
-  </a>
-  <br>
-  <p id="display"></p>
-  <div id="content" style="display: none"></div>
-  <pre id="test">
-  </pre>
-
-</body>
-</html>
diff --git a/accessible/tests/mochitest/role/test_aria.html b/accessible/tests/mochitest/role/test_aria.html
index 0e7873c485..dcd2c7839e 100644
--- a/accessible/tests/mochitest/role/test_aria.html
+++ b/accessible/tests/mochitest/role/test_aria.html
@@ -42,8 +42,6 @@
       testRole("aria_checkbox_mixed", ROLE_CHECKBUTTON);
       testRole("aria_code", ROLE_CODE);
       testRole("aria_code_mixed", ROLE_CODE);
-      testRole("aria_columnheader", ROLE_COLUMNHEADER);
-      testRole("aria_columnheader_mixed", ROLE_COLUMNHEADER);
       testRole("aria_combobox", ROLE_EDITCOMBOBOX);
       testRole("aria_combobox_mixed", ROLE_EDITCOMBOBOX);
       testRole("aria_comment", ROLE_COMMENT);
@@ -66,8 +64,6 @@
       testRole("aria_figure_mixed", ROLE_FIGURE);
       testRole("aria_grid", ROLE_GRID);
       testRole("aria_grid_mixed", ROLE_GRID);
-      testRole("aria_gridcell", ROLE_GRID_CELL);
-      testRole("aria_gridcell_mixed", ROLE_GRID_CELL);
       testRole("aria_group", ROLE_GROUPING);
       testRole("aria_group_mixed", ROLE_GROUPING);
       testRole("aria_heading", ROLE_HEADING);
@@ -82,8 +78,6 @@
       testRole("aria_list_mixed", ROLE_LIST);
       testRole("aria_listbox", ROLE_LISTBOX);
       testRole("aria_listbox_mixed", ROLE_LISTBOX);
-      testRole("aria_listitem", ROLE_LISTITEM);
-      testRole("aria_listitem_mixed", ROLE_LISTITEM);
       testRole("aria_log", ROLE_TEXT); // weak role
       testRole("aria_log_mixed", ROLE_TEXT); // weak role
       testRole("aria_mark", ROLE_MARK);
@@ -96,12 +90,6 @@
       testRole("aria_menu_mixed", ROLE_MENUPOPUP);
       testRole("aria_menubar", ROLE_MENUBAR);
       testRole("aria_menubar_mixed", ROLE_MENUBAR);
-      testRole("aria_menuitem", ROLE_MENUITEM);
-      testRole("aria_menuitem_mixed", ROLE_MENUITEM);
-      testRole("aria_menuitemcheckbox", ROLE_CHECK_MENU_ITEM);
-      testRole("aria_menuitemcheckbox_mixed", ROLE_CHECK_MENU_ITEM);
-      testRole("aria_menuitemradio", ROLE_RADIO_MENU_ITEM);
-      testRole("aria_menuitemradio_mixed", ROLE_RADIO_MENU_ITEM);
       testRole("aria_meter", ROLE_METER);
       testRole("aria_meter_mixed", ROLE_METER);
       testRole("aria_note", ROLE_NOTE);
@@ -130,10 +118,6 @@
       testRole("aria_region_as_table_with_caption_mixed", ROLE_REGION);
       testRole("aria_region_as_table_with_miscaption", ROLE_TABLE);
       testRole("aria_region_as_table_with_miscaption_mixed", ROLE_TABLE);
-      testRole("aria_row", ROLE_ROW);
-      testRole("aria_row_mixed", ROLE_ROW);
-      testRole("aria_rowheader", ROLE_ROWHEADER);
-      testRole("aria_rowheader_mixed", ROLE_ROWHEADER);
       testRole("aria_scrollbar", ROLE_SCROLLBAR);
       testRole("aria_scrollbar_mixed", ROLE_SCROLLBAR);
       testRole("aria_searchbox", ROLE_ENTRY);
@@ -154,8 +138,6 @@
       testRole("aria_superscript_mixed", ROLE_SUPERSCRIPT);
       testRole("aria_switch", ROLE_SWITCH);
       testRole("aria_switch_mixed", ROLE_SWITCH);
-      testRole("aria_tab", ROLE_PAGETAB);
-      testRole("aria_tab_mixed", ROLE_PAGETAB);
       testRole("aria_tablist", ROLE_PAGETABLIST);
       testRole("aria_tablist_mixed", ROLE_PAGETABLIST);
       testRole("aria_tabpanel", ROLE_PROPERTYPAGE);
@@ -174,8 +156,6 @@
       testRole("aria_tree_mixed", ROLE_OUTLINE);
       testRole("aria_treegrid", ROLE_TREE_TABLE);
       testRole("aria_treegrid_mixed", ROLE_TREE_TABLE);
-      testRole("aria_treeitem", ROLE_OUTLINEITEM);
-      testRole("aria_treeitem_mixed", ROLE_OUTLINEITEM);
 
       // Note:
       // The phrase "weak foo" here means that there is no good foo-to-platform
@@ -262,6 +242,29 @@
       testRole("implicit_gridcell_mixed", ROLE_GRID_CELL);
 
       // ////////////////////////////////////////////////////////////////////////
+      // child roles dependent on ancestor role presence
+      testRole("aria_columnheader", ROLE_COLUMNHEADER);
+      testRole("aria_columnheader_mixed", ROLE_COLUMNHEADER);
+      testRole("aria_gridcell", ROLE_GRID_CELL);
+      testRole("aria_gridcell_mixed", ROLE_GRID_CELL);
+      testRole("aria_rowheader", ROLE_ROWHEADER);
+      testRole("aria_rowheader_mixed", ROLE_ROWHEADER);
+      testRole("aria_listitem", ROLE_LISTITEM);
+      testRole("aria_listitem_mixed", ROLE_LISTITEM);
+      testRole("aria_menuitem", ROLE_MENUITEM);
+      testRole("aria_menuitem_mixed", ROLE_MENUITEM);
+      testRole("aria_menuitemcheckbox", ROLE_CHECK_MENU_ITEM);
+      testRole("aria_menuitemcheckbox_mixed", ROLE_CHECK_MENU_ITEM);
+      testRole("aria_menuitemradio", ROLE_RADIO_MENU_ITEM);
+      testRole("aria_menuitemradio_mixed", ROLE_RADIO_MENU_ITEM);
+      testRole("aria_row", ROLE_ROW);
+      testRole("aria_row_mixed", ROLE_ROW);
+      testRole("aria_tab", ROLE_PAGETAB);
+      testRole("aria_tab_mixed", ROLE_PAGETAB);
+      testRole("aria_treeitem", ROLE_OUTLINEITEM);
+      testRole("aria_treeitem_mixed", ROLE_OUTLINEITEM);
+
+      // ////////////////////////////////////////////////////////////////////////
       // ignore unknown roles, take first known
       testRole("unknown_roles", ROLE_PUSHBUTTON);
       testRole("unknown_roles_mixed", ROLE_PUSHBUTTON);
@@ -400,8 +403,6 @@
   <span id="aria_checkbox_mixed" role="cHECKBOx"></span>
   <span id="aria_code" role="code"></span>
   <span id="aria_code_mixed" role="cODe"></span>
-  <span id="aria_columnheader" role="columnheader"></span>
-  <span id="aria_columnheader_mixed" role="cOLUMNHEADEr"></span>
   <span id="aria_combobox" role="combobox"></span>
   <span id="aria_combobox_mixed" role="cOMBOBOx"></span>
   <span id="aria_comment" role="comment"></span>
@@ -424,8 +425,6 @@
   <span id="aria_figure_mixed" role="fIGURe"></span>
   <span id="aria_grid" role="grid"></span>
   <span id="aria_grid_mixed" role="gRId"></span>
-  <span id="aria_gridcell" role="gridcell"></span>
-  <span id="aria_gridcell_mixed" role="gRIDCELl"></span>
   <span id="aria_group" role="group"></span>
   <span id="aria_group_mixed" role="gROUp"></span>
   <span id="aria_heading" role="heading"></span>
@@ -440,8 +439,6 @@
   <span id="aria_list_mixed" role="lISt"></span>
   <span id="aria_listbox" role="listbox"></span>
   <span id="aria_listbox_mixed" role="lISTBOx"></span>
-  <span id="aria_listitem" role="listitem"></span>
-  <span id="aria_listitem_mixed" role="lISTITEm"></span>
   <span id="aria_log" role="log"></span>
   <span id="aria_log_mixed" role="lOg"></span>
   <span id="aria_mark" role="mark"></span>
@@ -454,12 +451,6 @@
   <span id="aria_menu_mixed" role="mENu"></span>
   <span id="aria_menubar" role="menubar"></span>
   <span id="aria_menubar_mixed" role="mENUBAr"></span>
-  <span id="aria_menuitem" role="menuitem"></span>
-  <span id="aria_menuitem_mixed" role="mENUITEm"></span>
-  <span id="aria_menuitemcheckbox" role="menuitemcheckbox"></span>
-  <span id="aria_menuitemcheckbox_mixed" role="mENUITEMCHECKBOx"></span>
-  <span id="aria_menuitemradio" role="menuitemradio"></span>
-  <span id="aria_menuitemradio_mixed" role="mENUITEMRADIo"></span>
   <span id="aria_meter" role="meter"></span>
   <span id="aria_meter_mixed" role="meTer"></span>
   <span id="aria_note" role="note"></span>
@@ -488,10 +479,6 @@
   <table id="aria_region_as_table_with_caption_mixed" role="rEGIOn"><caption>hello</caption></table>
   <table id="aria_region_as_table_with_miscaption" role="region"><caption role="option">hello</caption></table>
   <table id="aria_region_as_table_with_miscaption_mixed" role="rEGIOn"><caption role="option">hello</caption></table>
-  <span id="aria_row" role="row"></span>
-  <span id="aria_row_mixed" role="rOw"></span>
-  <span id="aria_rowheader" role="rowheader"></span>
-  <span id="aria_rowheader_mixed" role="rOWHEADEr"></span>
   <span id="aria_scrollbar" role="scrollbar"></span>
   <span id="aria_scrollbar_mixed" role="sCROLLBAr"></span>
   <span id="aria_searchbox" role="textbox"></span>
@@ -512,8 +499,6 @@
   <span id="aria_superscript_mixed" role="sUPERSCRIPt"></span>
   <span id="aria_switch" role="switch"></span>
   <span id="aria_switch_mixed" role="sWITCh"></span>
-  <span id="aria_tab" role="tab"></span>
-  <span id="aria_tab_mixed" role="tAb"></span>
   <span id="aria_tablist" role="tablist"></span>
   <span id="aria_tablist_mixed" role="tABLISt"></span>
   <span id="aria_tabpanel" role="tabpanel"></span>
@@ -532,8 +517,6 @@
   <span id="aria_tree_mixed" role="tREe"></span>
   <span id="aria_treegrid" role="treegrid"></span>
   <span id="aria_treegrid_mixed" role="tREEGRId"></span>
-  <span id="aria_treeitem" role="treeitem"></span>
-  <span id="aria_treeitem_mixed" role="tREEITEm"></span>
 
   <article id="articlemain" role="main">a main area</article>
   <article id="articlemain_mixed" role="mAIn">a main area</article>
@@ -665,6 +648,42 @@
     </tr>
   </table>
 
+  <!-- child roles dependent on ancestor role presence -->
+  <div role="grid">
+    <div role="row">
+      <span id="aria_columnheader" role="columnheader"></span>
+      <span id="aria_columnheader_mixed" role="cOLUMNHEADEr"></span>
+      <span id="aria_gridcell" role="gridcell"></span>
+      <span id="aria_gridcell_mixed" role="gRIDCELl"></span>
+      <span id="aria_rowheader" role="rowheader"></span>
+      <span id="aria_rowheader_mixed" role="rOWHEADEr"></span>
+    </div>
+  </div>
+  <div role="list">
+    <span id="aria_listitem" role="listitem"></span>
+    <span id="aria_listitem_mixed" role="lISTITEm"></span>
+  </div>
+  <div role="menu">
+    <span id="aria_menuitem" role="menuitem"></span>
+    <span id="aria_menuitem_mixed" role="mENUITEm"></span>
+    <span id="aria_menuitemcheckbox" role="menuitemcheckbox"></span>
+    <span id="aria_menuitemcheckbox_mixed" role="mENUITEMCHECKBOx"></span>
+    <span id="aria_menuitemradio" role="menuitemradio"></span>
+    <span id="aria_menuitemradio_mixed" role="mENUITEMRADIo"></span>
+  </div>
+  <div role="table">
+    <span id="aria_row" role="row"></span>
+    <span id="aria_row_mixed" role="rOw"></span>
+  </div>
+  <div role="tablist">
+    <span id="aria_tab" role="tab"></span>
+    <span id="aria_tab_mixed" role="tAb"></span>
+  </div>
+  <div role="tree">
+    <span id="aria_treeitem" role="treeitem"></span>
+    <span id="aria_treeitem_mixed" role="tREEITEm"></span>
+  </div>
+
   <!-- roles transformed by ARIA state attributes -->
   <button aria-pressed="true" id="togglebutton"></button>
   <button aria-pressed="tRUe" id="togglebutton_mixed"></button>
diff --git a/accessible/tests/mochitest/test_custom_element_accessibility_defaults.html b/accessible/tests/mochitest/test_custom_element_accessibility_defaults.html
index 672b5c36ad..799aefc163 100644
--- a/accessible/tests/mochitest/test_custom_element_accessibility_defaults.html
+++ b/accessible/tests/mochitest/test_custom_element_accessibility_defaults.html
@@ -33,7 +33,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=1665151
   ["disabled", "button", internals => internals.ariaDisabled = "true"],
   ["expanded", "button", internals => internals.ariaExpanded = "true"],
   ["haspopup", "button", internals => internals.ariaHasPopup = "true"],
-  ["hidden", "region", internals => internals.ariaHidden = "false"],
+  ["hidden", "region", internals => internals.ariaHidden = "true"],
   ["invalid", "textbox", internals => internals.ariaInvalid = "true"],
   ["keyshortcuts", "button", internals => internals.ariaKeyShortcuts = "Alt+Shift+A"],
   ["label", "button", internals => internals.ariaLabel = "Default"],
@@ -122,8 +122,8 @@ async function runTest() {
   testAttrs("default-haspopup", {"haspopup": "true"}, true);
   testAbsentAttrs("custom-haspopup", {"haspopup": "false"});
 
-  ok(isAccessible("default-hidden"), "Accessible for not aria-hidden");
-  ok(!isAccessible("custom-hidden"), "No accessible for aria-hidden");
+  ok(!isAccessible("default-hidden"), "Accessible for aria-hidden default");
+  ok(isAccessible("custom-hidden"), "Accessible for custom aria-hidden=false");
 
   testStates("default-invalid", STATE_INVALID);
   testStates("custom-invalid", 0, 0, STATE_INVALID);
@@ -277,7 +277,7 @@ addA11yLoadEvent(runTest);
 <custom-haspopup id="custom-haspopup" aria-haspopup="false"></custom-haspopup>
 
 <custom-hidden id="default-hidden"></custom-hidden>
-<custom-hidden id="custom-hidden" aria-hidden="true"></custom-hidden>
+<custom-hidden id="custom-hidden" aria-hidden="false"></custom-hidden>
 
 <custom-invalid id="default-invalid"></custom-invalid>
 <custom-invalid id="custom-invalid" aria-invalid="false"></custom-invalid>
@@ -306,8 +306,10 @@ addA11yLoadEvent(runTest);
 <custom-orientation id="default-orientation"></custom-orientation>
 <custom-orientation id="custom-orientation" aria-orientation="horizontal"></custom-orientation>
 
-<custom-posinset id="default-posinset"></custom-posinset>
-<custom-posinset id="custom-posinset" aria-posinset="2"></custom-posinset>
+<div role="listbox">
+  <custom-posinset id="default-posinset"></custom-posinset>
+  <custom-posinset id="custom-posinset" aria-posinset="2"></custom-posinset>
+</div>
 
 <custom-pressed id="default-pressed"></custom-pressed>
 <custom-pressed id="custom-pressed" aria-pressed="false"></custom-pressed>
@@ -345,10 +347,10 @@ addA11yLoadEvent(runTest);
 <custom-selected id="default-selected"></custom-selected>
 <custom-selected id="custom-selected" aria-selected="false"></custom-selected>
 
-<div role="listbox">
+<div role="list">
   <custom-setsize id="default-setsize"></custom-setsize>
 </div>
-<div role="listbox">
+<div role="list">
   <custom-setsize id="custom-setsize" aria-setsize="2"></custom-setsize>
   <div role="listitem" aria-setsize="2"></div>
 </div>
diff --git a/accessible/tests/mochitest/tree/test_aria_display_contents.html b/accessible/tests/mochitest/tree/test_aria_display_contents.html
index 454e4e46e1..5b2331e730 100644
--- a/accessible/tests/mochitest/tree/test_aria_display_contents.html
+++ b/accessible/tests/mochitest/tree/test_aria_display_contents.html
@@ -53,11 +53,11 @@
             ] },
           ] },
           { SECTION: [
-            { LISTITEM: [
+            { SECTION: [
               { TEXT_LEAF: [ ] }
             ] },
           ] },
-          { LISTITEM: [
+          { SECTION: [
             { TEXT_LEAF: [ ] }
           ] },
         ] };
@@ -93,63 +93,63 @@
   </pre>
 
   <div id="gridWithoutDisplayContents" role="grid">
-    <div role="row">

-      <div role="columnheader">col1</div>

-      <div role="columnheader">col2</div>

-    </div>

-    <div role="row">

-      <div role="rowheader">row1</div>

-      <div role="gridcell">cell1</div>

+    <div role="row">
+      <div role="columnheader">col1</div>
+      <div role="columnheader">col2</div>
+    </div>
+    <div role="row">
+      <div role="rowheader">row1</div>
+      <div role="gridcell">cell1</div>
     </div>
   </div>
   <div id="gridWithDisplayContents" role="grid" style="display:contents;">
-    <div role="row">

-      <div role="columnheader">col1</div>

-      <div role="columnheader">col2</div>

-    </div>

-    <div role="row">

-      <div role="rowheader">row1</div>

-      <div role="gridcell">cell1</div>

+    <div role="row">
+      <div role="columnheader">col1</div>
+      <div role="columnheader">col2</div>
+    </div>
+    <div role="row">
+      <div role="rowheader">row1</div>
+      <div role="gridcell">cell1</div>
     </div>
   </div>
   <div id="gridWithDisplayContentsRow" role="grid">
-    <div role="row" style="display:contents;">

-      <div role="columnheader">col1</div>

-      <div role="columnheader">col2</div>

-    </div>

-    <div role="row">

-      <div role="rowheader">row1</div>

-      <div role="gridcell">cell1</div>

+    <div role="row" style="display:contents;">
+      <div role="columnheader">col1</div>
+      <div role="columnheader">col2</div>
+    </div>
+    <div role="row">
+      <div role="rowheader">row1</div>
+      <div role="gridcell">cell1</div>
     </div>
   </div>
   <div id="gridWithDisplayContentsColHeader" role="grid">
-    <div role="row">

-      <div role="columnheader" style="display:contents;">col1</div>

-      <div role="columnheader">col2</div>

-    </div>

-    <div role="row">

-      <div role="rowheader">row1</div>

-      <div role="gridcell">cell1</div>

+    <div role="row">
+      <div role="columnheader" style="display:contents;">col1</div>
+      <div role="columnheader">col2</div>
+    </div>
+    <div role="row">
+      <div role="rowheader">row1</div>
+      <div role="gridcell">cell1</div>
     </div>
   </div>
   <div id="gridWithDisplayContentsRowHeader" role="grid">
-    <div role="row">

-      <div role="columnheader">col1</div>

-      <div role="columnheader">col2</div>

-    </div>

-    <div role="row">

-      <div role="rowheader" style="display:contents;">row1</div>

-      <div role="gridcell">cell1</div>

+    <div role="row">
+      <div role="columnheader">col1</div>
+      <div role="columnheader">col2</div>
+    </div>
+    <div role="row">
+      <div role="rowheader" style="display:contents;">row1</div>
+      <div role="gridcell">cell1</div>
     </div>
   </div>
   <div id="gridWithDisplayContentsGridCell" role="grid">
-    <div role="row">

-      <div role="columnheader">col1</div>

-      <div role="columnheader">col2</div>

-    </div>

-    <div role="row">

-      <div role="rowheader">row1</div>

-      <div role="gridcell" style="display:contents;">cell1</div>

+    <div role="row">
+      <div role="columnheader">col1</div>
+      <div role="columnheader">col2</div>
+    </div>
+    <div role="row">
+      <div role="rowheader">row1</div>
+      <div role="gridcell" style="display:contents;">cell1</div>
     </div>
   </div>
 
diff --git a/accessible/tests/mochitest/tree/test_aria_grid.html b/accessible/tests/mochitest/tree/test_aria_grid.html
index 4dd30e4183..d409c87c34 100644
--- a/accessible/tests/mochitest/tree/test_aria_grid.html
+++ b/accessible/tests/mochitest/tree/test_aria_grid.html
@@ -19,7 +19,7 @@
 
       var accTree =
         { GRID: [
-          { GROUPING: [
+          { ROWGROUP: [
             { ROW: [
               { GRID_CELL: [
                 { TEXT_LEAF: [ ] },
diff --git a/accessible/tests/mochitest/tree/test_aria_table.html b/accessible/tests/mochitest/tree/test_aria_table.html
index 22375faf59..2d4a0f00ae 100644
--- a/accessible/tests/mochitest/tree/test_aria_table.html
+++ b/accessible/tests/mochitest/tree/test_aria_table.html
@@ -19,7 +19,7 @@
 
       var accTree =
         { TABLE: [
-          { GROUPING: [
+          { ROWGROUP: [
             { ROW: [
               { CELL: [
                 { TEXT_LEAF: [ ] },
diff --git a/accessible/tests/mochitest/tree/test_display_contents.html b/accessible/tests/mochitest/tree/test_display_contents.html
index 8393a35b41..9573a845d3 100644
--- a/accessible/tests/mochitest/tree/test_display_contents.html
+++ b/accessible/tests/mochitest/tree/test_display_contents.html
@@ -41,7 +41,7 @@ function doTest() {
 
   tree =
   { TABLE: [
-    { GROUPING : [
+    { ROWGROUP : [
       { ROW: [
         { CELL: [{ TEXT_LEAF: [] } ] },
         { CELL: [{ TEXT_LEAF: [] } ] },
diff --git a/accessible/tests/mochitest/tree/test_table.html b/accessible/tests/mochitest/tree/test_table.html
index 5f34c12067..7f7f4fe6db 100644
--- a/accessible/tests/mochitest/tree/test_table.html
+++ b/accessible/tests/mochitest/tree/test_table.html
@@ -283,7 +283,7 @@
       // The tbody should get a grouping accessible.
       accTree =
         { TABLE: [
-          { GROUPING: [
+          { ROWGROUP: [
             { ROW: [
               { CELL: [
                 { TEXT_LEAF: [ ] },
diff --git a/accessible/windows/ia2/ia2Accessible.cpp b/accessible/windows/ia2/ia2Accessible.cpp
index 7318dd5e6f..5bc421d086 100644
--- a/accessible/windows/ia2/ia2Accessible.cpp
+++ b/accessible/windows/ia2/ia2Accessible.cpp
@@ -156,7 +156,8 @@ ia2Accessible::role(long* aRole) {
   if (!acc) return CO_E_OBJNOTCONNECTED;
 
 #define ROLE(_geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, \
-             msaaRole, ia2Role, androidClass, iosIsElement, nameRule)        \
+             msaaRole, ia2Role, androidClass, iosIsElement, uiaControlType,  \
+             nameRule)                                                       \
   case roles::_geckoRole:                                                    \
     *aRole = ia2Role;                                                        \
     break;
diff --git a/accessible/windows/msaa/MsaaAccessible.cpp b/accessible/windows/msaa/MsaaAccessible.cpp
index 3a0e8fc726..56e8cfd058 100644
--- a/accessible/windows/msaa/MsaaAccessible.cpp
+++ b/accessible/windows/msaa/MsaaAccessible.cpp
@@ -14,6 +14,7 @@
 #include "mozilla/a11y/AccessibleWrap.h"
 #include "mozilla/a11y/Compatibility.h"
 #include "mozilla/a11y/DocAccessibleParent.h"
+#include "mozilla/StaticPrefs_accessibility.h"
 #include "MsaaAccessible.h"
 #include "MsaaDocAccessible.h"
 #include "MsaaRootAccessible.h"
@@ -522,9 +523,11 @@ MsaaAccessible::QueryInterface(REFIID iid, void** ppv) {
     if (SUCCEEDED(hr)) {
       return hr;
     }
-    hr = uiaRawElmProvider::QueryInterface(iid, ppv);
-    if (SUCCEEDED(hr)) {
-      return hr;
+    if (StaticPrefs::accessibility_uia_enable()) {
+      hr = uiaRawElmProvider::QueryInterface(iid, ppv);
+      if (SUCCEEDED(hr)) {
+        return hr;
+      }
     }
   }
   if (*ppv) {
@@ -769,7 +772,8 @@ MsaaAccessible::get_accRole(
   uint32_t msaaRole = 0;
 
 #define ROLE(_geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, \
-             _msaaRole, ia2Role, androidClass, iosIsElement, nameRule)       \
+             _msaaRole, ia2Role, androidClass, iosIsElement, uiaControlType, \
+             nameRule)                                                       \
   case roles::_geckoRole:                                                    \
     msaaRole = _msaaRole;                                                    \
     break;
diff --git a/accessible/windows/msaa/MsaaAccessible.h b/accessible/windows/msaa/MsaaAccessible.h
index 6d6582f010..fa43c441bf 100644
--- a/accessible/windows/msaa/MsaaAccessible.h
+++ b/accessible/windows/msaa/MsaaAccessible.h
@@ -31,7 +31,7 @@ class MsaaAccessible : public ia2Accessible,
  public:
   static MsaaAccessible* Create(Accessible* aAcc);
 
-  Accessible* Acc() { return mAcc; }
+  Accessible* Acc() const { return mAcc; }
   AccessibleWrap* LocalAcc();
 
   uint32_t GetExistingID() const { return mID; }
@@ -146,6 +146,10 @@ class MsaaAccessible : public ia2Accessible,
                                            EXCEPINFO* pExcepInfo,
                                            UINT* puArgErr) override;
 
+  // UIA's IInvokeProvider has a method called Invoke too, but it's fine because
+  // it accepts very different parameters.
+  using uiaRawElmProvider::Invoke;
+
  protected:
   explicit MsaaAccessible(Accessible* aAcc);
   virtual ~MsaaAccessible();
diff --git a/accessible/windows/msaa/MsaaRootAccessible.cpp b/accessible/windows/msaa/MsaaRootAccessible.cpp
index ac747ff3d1..2b28edb9b5 100644
--- a/accessible/windows/msaa/MsaaRootAccessible.cpp
+++ b/accessible/windows/msaa/MsaaRootAccessible.cpp
@@ -5,6 +5,7 @@
 
 #include "mozilla/a11y/DocAccessibleParent.h"
 #include "mozilla/dom/BrowserParent.h"
+#include "mozilla/StaticPrefs_accessibility.h"
 #include "mozilla/WindowsVersion.h"
 #include "MsaaRootAccessible.h"
 #include "Relation.h"
@@ -36,6 +37,13 @@ MsaaRootAccessible::InternalQueryInterface(REFIID aIid, void** aOutInterface) {
     return S_OK;
   }
 
+  if (StaticPrefs::accessibility_uia_enable() &&
+      aIid == IID_IRawElementProviderFragmentRoot) {
+    RefPtr<IRawElementProviderFragmentRoot> root = this;
+    root.forget(aOutInterface);
+    return S_OK;
+  }
+
   // ...Otherwise we pass through to the base COM implementation of
   // QueryInterface which is provided by MsaaDocAccessible.
   return MsaaDocAccessible::QueryInterface(aIid, aOutInterface);
diff --git a/accessible/windows/msaa/MsaaRootAccessible.h b/accessible/windows/msaa/MsaaRootAccessible.h
index a51533d7ba..efc42bc094 100644
--- a/accessible/windows/msaa/MsaaRootAccessible.h
+++ b/accessible/windows/msaa/MsaaRootAccessible.h
@@ -8,12 +8,14 @@
 
 #include "mozilla/mscom/Aggregation.h"
 #include "MsaaDocAccessible.h"
+#include "UiaRoot.h"
 
 namespace mozilla {
 
 namespace a11y {
+class RootAccessible;
 
-class MsaaRootAccessible : public MsaaDocAccessible {
+class MsaaRootAccessible : public MsaaDocAccessible, public UiaRoot {
  public:
   explicit MsaaRootAccessible(Accessible* aAcc)
       : MsaaDocAccessible(aAcc), mOuter(&mInternalUnknown) {}
diff --git a/accessible/windows/msaa/Platform.cpp b/accessible/windows/msaa/Platform.cpp
index 018042c5d3..f4d1c7b176 100644
--- a/accessible/windows/msaa/Platform.cpp
+++ b/accessible/windows/msaa/Platform.cpp
@@ -69,10 +69,13 @@ void a11y::ProxyDestroyed(RemoteAccessible* aProxy) {
 
 void a11y::PlatformEvent(Accessible* aTarget, uint32_t aEventType) {
   MsaaAccessible::FireWinEvent(aTarget, aEventType);
+  uiaRawElmProvider::RaiseUiaEventForGeckoEvent(aTarget, aEventType);
 }
 
-void a11y::PlatformStateChangeEvent(Accessible* aTarget, uint64_t, bool) {
+void a11y::PlatformStateChangeEvent(Accessible* aTarget, uint64_t aState,
+                                    bool aEnabled) {
   MsaaAccessible::FireWinEvent(aTarget, nsIAccessibleEvent::EVENT_STATE_CHANGE);
+  uiaRawElmProvider::RaiseUiaEventForStateChange(aTarget, aState, aEnabled);
 }
 
 void a11y::PlatformFocusEvent(Accessible* aTarget,
@@ -91,6 +94,8 @@ void a11y::PlatformFocusEvent(Accessible* aTarget,
 
   AccessibleWrap::UpdateSystemCaretFor(aTarget, aCaretRect);
   MsaaAccessible::FireWinEvent(aTarget, nsIAccessibleEvent::EVENT_FOCUS);
+  uiaRawElmProvider::RaiseUiaEventForGeckoEvent(
+      aTarget, nsIAccessibleEvent::EVENT_FOCUS);
 }
 
 void a11y::PlatformCaretMoveEvent(Accessible* aTarget, int32_t aOffset,
diff --git a/accessible/windows/uia/UiaRoot.cpp b/accessible/windows/uia/UiaRoot.cpp
new file mode 100644
index 0000000000..0e8c86ce6a
--- /dev/null
+++ b/accessible/windows/uia/UiaRoot.cpp
@@ -0,0 +1,61 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "UiaRoot.h"
+
+#include "MsaaRootAccessible.h"
+#include "RootAccessible.h"
+
+using namespace mozilla;
+using namespace mozilla::a11y;
+
+// UiaRoot
+
+Accessible* UiaRoot::Acc() {
+  auto* mr = static_cast<MsaaRootAccessible*>(this);
+  return static_cast<MsaaAccessible*>(mr)->Acc();
+}
+
+// IRawElementProviderFragmentRoot
+
+STDMETHODIMP
+UiaRoot::ElementProviderFromPoint(
+    double aX, double aY,
+    __RPC__deref_out_opt IRawElementProviderFragment** aRetVal) {
+  if (!aRetVal) {
+    return E_INVALIDARG;
+  }
+  *aRetVal = nullptr;
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  if (Accessible* target = acc->ChildAtPoint(
+          aX, aY, Accessible::EWhichChildAtPoint::DeepestChild)) {
+    RefPtr<IRawElementProviderFragment> fragment =
+        MsaaAccessible::GetFrom(target);
+    fragment.forget(aRetVal);
+  }
+  return S_OK;
+}
+
+STDMETHODIMP
+UiaRoot::GetFocus(__RPC__deref_out_opt IRawElementProviderFragment** aRetVal) {
+  if (!aRetVal) {
+    return E_INVALIDARG;
+  }
+  *aRetVal = nullptr;
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  if (Accessible* focus = acc->FocusedChild()) {
+    RefPtr<IRawElementProviderFragment> fragment =
+        MsaaAccessible::GetFrom(focus);
+    fragment.forget(aRetVal);
+  }
+  return S_OK;
+}
diff --git a/accessible/windows/uia/UiaRoot.h b/accessible/windows/uia/UiaRoot.h
new file mode 100644
index 0000000000..91d1c00b3d
--- /dev/null
+++ b/accessible/windows/uia/UiaRoot.h
@@ -0,0 +1,40 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_a11y_UiaRoot_h__
+#define mozilla_a11y_UiaRoot_h__
+
+#include "objbase.h"
+#include "uiautomation.h"
+
+namespace mozilla {
+namespace a11y {
+class Accessible;
+
+/**
+ * IRawElementProviderFragmentRoot implementation.
+ */
+class UiaRoot : public IRawElementProviderFragmentRoot {
+ public:
+  // IRawElementProviderFragmentRoot
+  virtual HRESULT STDMETHODCALLTYPE ElementProviderFromPoint(
+      /* [in] */ double aX,
+      /* [in] */ double aY,
+      /* [retval][out] */
+      __RPC__deref_out_opt IRawElementProviderFragment** aRetVal);
+
+  virtual HRESULT STDMETHODCALLTYPE GetFocus(
+      /* [retval][out] */ __RPC__deref_out_opt IRawElementProviderFragment**
+          aRetVal);
+
+ private:
+  Accessible* Acc();
+};
+
+}  // namespace a11y
+}  // namespace mozilla
+
+#endif
diff --git a/accessible/windows/uia/moz.build b/accessible/windows/uia/moz.build
index 058aacc579..c52a24d612 100644
--- a/accessible/windows/uia/moz.build
+++ b/accessible/windows/uia/moz.build
@@ -6,6 +6,7 @@
 
 SOURCES += [
     "uiaRawElmProvider.cpp",
+    "UiaRoot.cpp",
 ]
 
 LOCAL_INCLUDES += [
diff --git a/accessible/windows/uia/uiaRawElmProvider.cpp b/accessible/windows/uia/uiaRawElmProvider.cpp
index 881ed22277..c022e40cef 100644
--- a/accessible/windows/uia/uiaRawElmProvider.cpp
+++ b/accessible/windows/uia/uiaRawElmProvider.cpp
@@ -6,39 +6,174 @@
 
 #include "uiaRawElmProvider.h"
 
+#include <comdef.h>
+#include <uiautomationcoreapi.h>
+
 #include "AccAttributes.h"
 #include "AccessibleWrap.h"
 #include "ARIAMap.h"
 #include "LocalAccessible-inl.h"
 #include "mozilla/a11y/RemoteAccessible.h"
+#include "mozilla/StaticPrefs_accessibility.h"
 #include "MsaaAccessible.h"
+#include "MsaaRootAccessible.h"
+#include "nsAccessibilityService.h"
+#include "nsAccUtils.h"
 #include "nsTextEquivUtils.h"
+#include "RootAccessible.h"
 
 using namespace mozilla;
 using namespace mozilla::a11y;
 
+// Helper functions
+
+static ToggleState ToToggleState(uint64_t aState) {
+  if (aState & states::MIXED) {
+    return ToggleState_Indeterminate;
+  }
+  if (aState & (states::CHECKED | states::PRESSED)) {
+    return ToggleState_On;
+  }
+  return ToggleState_Off;
+}
+
+static ExpandCollapseState ToExpandCollapseState(uint64_t aState) {
+  if (aState & states::EXPANDED) {
+    return ExpandCollapseState_Expanded;
+  }
+  // If aria-haspopup is specified without aria-expanded, we should still expose
+  // collapsed, since aria-haspopup infers that it can be expanded. The
+  // alternative is ExpandCollapseState_LeafNode, but that means that the
+  // element can't be expanded nor collapsed.
+  if (aState & (states::COLLAPSED | states::HASPOPUP)) {
+    return ExpandCollapseState_Collapsed;
+  }
+  return ExpandCollapseState_LeafNode;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // uiaRawElmProvider
 ////////////////////////////////////////////////////////////////////////////////
 
-Accessible* uiaRawElmProvider::Acc() {
-  return static_cast<MsaaAccessible*>(this)->Acc();
+Accessible* uiaRawElmProvider::Acc() const {
+  return static_cast<const MsaaAccessible*>(this)->Acc();
 }
 
-// IUnknown
-
-// Because uiaRawElmProvider inherits multiple COM interfaces (and thus multiple
-// IUnknowns), we need to explicitly implement AddRef and Release to make
-// our QueryInterface implementation (IMPL_IUNKNOWN2) happy.
-ULONG STDMETHODCALLTYPE uiaRawElmProvider::AddRef() {
-  return static_cast<MsaaAccessible*>(this)->AddRef();
+/* static */
+void uiaRawElmProvider::RaiseUiaEventForGeckoEvent(Accessible* aAcc,
+                                                   uint32_t aGeckoEvent) {
+  if (!StaticPrefs::accessibility_uia_enable()) {
+    return;
+  }
+  auto* uia = MsaaAccessible::GetFrom(aAcc);
+  if (!uia) {
+    return;
+  }
+  PROPERTYID property = 0;
+  _variant_t newVal;
+  bool gotNewVal = false;
+  // For control pattern properties, we can't use GetPropertyValue. In those
+  // cases, we must set newVal appropriately and set gotNewVal to true.
+  switch (aGeckoEvent) {
+    case nsIAccessibleEvent::EVENT_DESCRIPTION_CHANGE:
+      property = UIA_FullDescriptionPropertyId;
+      break;
+    case nsIAccessibleEvent::EVENT_FOCUS:
+      ::UiaRaiseAutomationEvent(uia, UIA_AutomationFocusChangedEventId);
+      return;
+    case nsIAccessibleEvent::EVENT_NAME_CHANGE:
+      property = UIA_NamePropertyId;
+      break;
+    case nsIAccessibleEvent::EVENT_TEXT_VALUE_CHANGE:
+      property = UIA_ValueValuePropertyId;
+      newVal.vt = VT_BSTR;
+      uia->get_Value(&newVal.bstrVal);
+      gotNewVal = true;
+      break;
+  }
+  if (property && ::UiaClientsAreListening()) {
+    // We can't get the old value. Thankfully, clients don't seem to need it.
+    _variant_t oldVal;
+    if (!gotNewVal) {
+      // This isn't a pattern property, so we can use GetPropertyValue.
+      uia->GetPropertyValue(property, &newVal);
+    }
+    ::UiaRaiseAutomationPropertyChangedEvent(uia, property, oldVal, newVal);
+  }
 }
 
-ULONG STDMETHODCALLTYPE uiaRawElmProvider::Release() {
-  return static_cast<MsaaAccessible*>(this)->Release();
+/* static */
+void uiaRawElmProvider::RaiseUiaEventForStateChange(Accessible* aAcc,
+                                                    uint64_t aState,
+                                                    bool aEnabled) {
+  if (!StaticPrefs::accessibility_uia_enable()) {
+    return;
+  }
+  auto* uia = MsaaAccessible::GetFrom(aAcc);
+  if (!uia) {
+    return;
+  }
+  PROPERTYID property = 0;
+  _variant_t newVal;
+  switch (aState) {
+    case states::CHECKED:
+    case states::MIXED:
+    case states::PRESSED:
+      property = UIA_ToggleToggleStatePropertyId;
+      newVal.vt = VT_I4;
+      newVal.lVal = ToToggleState(aEnabled ? aState : 0);
+      break;
+    case states::COLLAPSED:
+    case states::EXPANDED:
+    case states::HASPOPUP:
+      property = UIA_ExpandCollapseExpandCollapseStatePropertyId;
+      newVal.vt = VT_I4;
+      newVal.lVal = ToExpandCollapseState(aEnabled ? aState : 0);
+      break;
+    case states::UNAVAILABLE:
+      property = UIA_IsEnabledPropertyId;
+      newVal.vt = VT_BOOL;
+      newVal.boolVal = aEnabled ? VARIANT_FALSE : VARIANT_TRUE;
+      break;
+    default:
+      return;
+  }
+  MOZ_ASSERT(property);
+  if (::UiaClientsAreListening()) {
+    // We can't get the old value. Thankfully, clients don't seem to need it.
+    _variant_t oldVal;
+    ::UiaRaiseAutomationPropertyChangedEvent(uia, property, oldVal, newVal);
+  }
 }
 
-IMPL_IUNKNOWN2(uiaRawElmProvider, IAccessibleEx, IRawElementProviderSimple)
+// IUnknown
+
+STDMETHODIMP
+uiaRawElmProvider::QueryInterface(REFIID aIid, void** aInterface) {
+  *aInterface = nullptr;
+  if (aIid == IID_IAccessibleEx) {
+    *aInterface = static_cast<IAccessibleEx*>(this);
+  } else if (aIid == IID_IRawElementProviderSimple) {
+    *aInterface = static_cast<IRawElementProviderSimple*>(this);
+  } else if (aIid == IID_IRawElementProviderFragment) {
+    *aInterface = static_cast<IRawElementProviderFragment*>(this);
+  } else if (aIid == IID_IExpandCollapseProvider) {
+    *aInterface = static_cast<IExpandCollapseProvider*>(this);
+  } else if (aIid == IID_IInvokeProvider) {
+    *aInterface = static_cast<IInvokeProvider*>(this);
+  } else if (aIid == IID_IScrollItemProvider) {
+    *aInterface = static_cast<IScrollItemProvider*>(this);
+  } else if (aIid == IID_IToggleProvider) {
+    *aInterface = static_cast<IToggleProvider*>(this);
+  } else if (aIid == IID_IValueProvider) {
+    *aInterface = static_cast<IValueProvider*>(this);
+  } else {
+    return E_NOINTERFACE;
+  }
+  MOZ_ASSERT(*aInterface);
+  static_cast<MsaaAccessible*>(this)->AddRef();
+  return S_OK;
+}
 
 ////////////////////////////////////////////////////////////////////////////////
 // IAccessibleEx
@@ -113,8 +248,9 @@ uiaRawElmProvider::get_ProviderOptions(
     __RPC__out enum ProviderOptions* aOptions) {
   if (!aOptions) return E_INVALIDARG;
 
-  // This method is not used with IAccessibleEx implementations.
-  *aOptions = ProviderOptions_ServerSideProvider;
+  *aOptions = static_cast<enum ProviderOptions>(
+      ProviderOptions_ServerSideProvider | ProviderOptions_UseComThreading |
+      ProviderOptions_HasNativeIAccessible);
   return S_OK;
 }
 
@@ -122,8 +258,46 @@ STDMETHODIMP
 uiaRawElmProvider::GetPatternProvider(
     PATTERNID aPatternId, __RPC__deref_out_opt IUnknown** aPatternProvider) {
   if (!aPatternProvider) return E_INVALIDARG;
-
   *aPatternProvider = nullptr;
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  switch (aPatternId) {
+    case UIA_ExpandCollapsePatternId:
+      if (HasExpandCollapsePattern()) {
+        RefPtr<IExpandCollapseProvider> expand = this;
+        expand.forget(aPatternProvider);
+      }
+      return S_OK;
+    case UIA_InvokePatternId:
+      // Per the UIA documentation, we should only expose the Invoke pattern "if
+      // the same behavior is not exposed through another control pattern
+      // provider".
+      if (acc->ActionCount() > 0 && !HasTogglePattern() &&
+          !HasExpandCollapsePattern()) {
+        RefPtr<IInvokeProvider> invoke = this;
+        invoke.forget(aPatternProvider);
+      }
+      return S_OK;
+    case UIA_ScrollItemPatternId: {
+      RefPtr<IScrollItemProvider> scroll = this;
+      scroll.forget(aPatternProvider);
+      return S_OK;
+    }
+    case UIA_TogglePatternId:
+      if (HasTogglePattern()) {
+        RefPtr<IToggleProvider> toggle = this;
+        toggle.forget(aPatternProvider);
+      }
+      return S_OK;
+    case UIA_ValuePatternId:
+      if (HasValuePattern()) {
+        RefPtr<IValueProvider> value = this;
+        value.forget(aPatternProvider);
+      }
+      return S_OK;
+  }
   return S_OK;
 }
 
@@ -230,11 +404,71 @@ uiaRawElmProvider::GetPropertyValue(PROPERTYID aPropertyId,
       break;
     }
 
-    case UIA_IsControlElementPropertyId:
+    case UIA_AutomationIdPropertyId: {
+      nsAutoString id;
+      acc->DOMNodeID(id);
+      if (!id.IsEmpty()) {
+        aPropertyValue->vt = VT_BSTR;
+        aPropertyValue->bstrVal = ::SysAllocString(id.get());
+        return S_OK;
+      }
+      break;
+    }
+
+    case UIA_ControlTypePropertyId:
+      aPropertyValue->vt = VT_I4;
+      aPropertyValue->lVal = GetControlType();
+      break;
+
+    case UIA_FullDescriptionPropertyId: {
+      nsAutoString desc;
+      acc->Description(desc);
+      if (!desc.IsEmpty()) {
+        aPropertyValue->vt = VT_BSTR;
+        aPropertyValue->bstrVal = ::SysAllocString(desc.get());
+        return S_OK;
+      }
+      break;
+    }
+
+    case UIA_HasKeyboardFocusPropertyId:
+      aPropertyValue->vt = VT_BOOL;
+      aPropertyValue->boolVal = VARIANT_FALSE;
+      if (auto* focusMgr = FocusMgr()) {
+        if (focusMgr->IsFocused(acc)) {
+          aPropertyValue->boolVal = VARIANT_TRUE;
+        }
+      }
+      return S_OK;
+
     case UIA_IsContentElementPropertyId:
+    case UIA_IsControlElementPropertyId:
       aPropertyValue->vt = VT_BOOL;
       aPropertyValue->boolVal = IsControl() ? VARIANT_TRUE : VARIANT_FALSE;
       return S_OK;
+
+    case UIA_IsEnabledPropertyId:
+      aPropertyValue->vt = VT_BOOL;
+      aPropertyValue->boolVal =
+          (acc->State() & states::UNAVAILABLE) ? VARIANT_FALSE : VARIANT_TRUE;
+      return S_OK;
+
+    case UIA_IsKeyboardFocusablePropertyId:
+      aPropertyValue->vt = VT_BOOL;
+      aPropertyValue->boolVal =
+          (acc->State() & states::FOCUSABLE) ? VARIANT_TRUE : VARIANT_FALSE;
+      return S_OK;
+
+    case UIA_NamePropertyId: {
+      nsAutoString name;
+      acc->Name(name);
+      if (!name.IsEmpty()) {
+        aPropertyValue->vt = VT_BSTR;
+        aPropertyValue->bstrVal = ::SysAllocString(name.get());
+        return S_OK;
+      }
+      break;
+    }
   }
 
   return S_OK;
@@ -244,9 +478,274 @@ STDMETHODIMP
 uiaRawElmProvider::get_HostRawElementProvider(
     __RPC__deref_out_opt IRawElementProviderSimple** aRawElmProvider) {
   if (!aRawElmProvider) return E_INVALIDARG;
-
-  // This method is not used with IAccessibleEx implementations.
   *aRawElmProvider = nullptr;
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  if (acc->IsRoot()) {
+    HWND hwnd = MsaaAccessible::GetHWNDFor(acc);
+    return UiaHostProviderFromHwnd(hwnd, aRawElmProvider);
+  }
+  return S_OK;
+}
+
+// IRawElementProviderFragment
+
+STDMETHODIMP
+uiaRawElmProvider::Navigate(
+    enum NavigateDirection aDirection,
+    __RPC__deref_out_opt IRawElementProviderFragment** aRetVal) {
+  if (!aRetVal) {
+    return E_INVALIDARG;
+  }
+  *aRetVal = nullptr;
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  Accessible* target = nullptr;
+  switch (aDirection) {
+    case NavigateDirection_Parent:
+      if (!acc->IsRoot()) {
+        target = acc->Parent();
+      }
+      break;
+    case NavigateDirection_NextSibling:
+      if (!acc->IsRoot()) {
+        target = acc->NextSibling();
+      }
+      break;
+    case NavigateDirection_PreviousSibling:
+      if (!acc->IsRoot()) {
+        target = acc->PrevSibling();
+      }
+      break;
+    case NavigateDirection_FirstChild:
+      if (!nsAccUtils::MustPrune(acc)) {
+        target = acc->FirstChild();
+      }
+      break;
+    case NavigateDirection_LastChild:
+      if (!nsAccUtils::MustPrune(acc)) {
+        target = acc->LastChild();
+      }
+      break;
+    default:
+      return E_INVALIDARG;
+  }
+  RefPtr<IRawElementProviderFragment> fragment =
+      MsaaAccessible::GetFrom(target);
+  fragment.forget(aRetVal);
+  return S_OK;
+}
+
+STDMETHODIMP
+uiaRawElmProvider::get_BoundingRectangle(__RPC__out struct UiaRect* aRetVal) {
+  if (!aRetVal) {
+    return E_INVALIDARG;
+  }
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  LayoutDeviceIntRect rect = acc->Bounds();
+  aRetVal->left = rect.X();
+  aRetVal->top = rect.Y();
+  aRetVal->width = rect.Width();
+  aRetVal->height = rect.Height();
+  return S_OK;
+}
+
+STDMETHODIMP
+uiaRawElmProvider::GetEmbeddedFragmentRoots(
+    __RPC__deref_out_opt SAFEARRAY** aRetVal) {
+  if (!aRetVal) {
+    return E_INVALIDARG;
+  }
+  *aRetVal = nullptr;
+  return S_OK;
+}
+
+STDMETHODIMP
+uiaRawElmProvider::SetFocus() {
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  acc->TakeFocus();
+  return S_OK;
+}
+
+STDMETHODIMP
+uiaRawElmProvider::get_FragmentRoot(
+    __RPC__deref_out_opt IRawElementProviderFragmentRoot** aRetVal) {
+  if (!aRetVal) {
+    return E_INVALIDARG;
+  }
+  *aRetVal = nullptr;
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  LocalAccessible* localAcc = acc->AsLocal();
+  if (!localAcc) {
+    localAcc = acc->AsRemote()->OuterDocOfRemoteBrowser();
+    if (!localAcc) {
+      return CO_E_OBJNOTCONNECTED;
+    }
+  }
+  MsaaAccessible* msaa = MsaaAccessible::GetFrom(localAcc->RootAccessible());
+  RefPtr<IRawElementProviderFragmentRoot> fragRoot =
+      static_cast<MsaaRootAccessible*>(msaa);
+  fragRoot.forget(aRetVal);
+  return S_OK;
+}
+
+// IInvokeProvider methods
+
+STDMETHODIMP
+uiaRawElmProvider::Invoke() {
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  if (acc->DoAction(0)) {
+    // We don't currently have a way to notify when the action was actually
+    // handled. The UIA documentation says it's okay to fire this immediately if
+    // it "is not possible or practical to wait until the action is complete".
+    ::UiaRaiseAutomationEvent(this, UIA_Invoke_InvokedEventId);
+  }
+  return S_OK;
+}
+
+// IToggleProvider methods
+
+STDMETHODIMP
+uiaRawElmProvider::Toggle() {
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  acc->DoAction(0);
+  return S_OK;
+}
+
+STDMETHODIMP
+uiaRawElmProvider::get_ToggleState(__RPC__out enum ToggleState* aRetVal) {
+  if (!aRetVal) {
+    return E_INVALIDARG;
+  }
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  *aRetVal = ToToggleState(acc->State());
+  return S_OK;
+}
+
+// IExpandCollapseProvider methods
+
+STDMETHODIMP
+uiaRawElmProvider::Expand() {
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  if (acc->State() & states::EXPANDED) {
+    return UIA_E_INVALIDOPERATION;
+  }
+  acc->DoAction(0);
+  return S_OK;
+}
+
+STDMETHODIMP
+uiaRawElmProvider::Collapse() {
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  if (acc->State() & states::COLLAPSED) {
+    return UIA_E_INVALIDOPERATION;
+  }
+  acc->DoAction(0);
+  return S_OK;
+}
+
+STDMETHODIMP
+uiaRawElmProvider::get_ExpandCollapseState(
+    __RPC__out enum ExpandCollapseState* aRetVal) {
+  if (!aRetVal) {
+    return E_INVALIDARG;
+  }
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  *aRetVal = ToExpandCollapseState(acc->State());
+  return S_OK;
+}
+
+// IScrollItemProvider methods
+
+MOZ_CAN_RUN_SCRIPT_BOUNDARY STDMETHODIMP uiaRawElmProvider::ScrollIntoView() {
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  acc->ScrollTo(nsIAccessibleScrollType::SCROLL_TYPE_ANYWHERE);
+  return S_OK;
+}
+
+// IValueProvider methods
+
+STDMETHODIMP
+uiaRawElmProvider::SetValue(__RPC__in LPCWSTR aVal) {
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  HyperTextAccessibleBase* ht = acc->AsHyperTextBase();
+  if (!ht || !acc->IsTextRole()) {
+    return UIA_E_INVALIDOPERATION;
+  }
+  if (acc->State() & (states::READONLY | states::UNAVAILABLE)) {
+    return UIA_E_INVALIDOPERATION;
+  }
+  nsAutoString text(aVal);
+  ht->ReplaceText(text);
+  return S_OK;
+}
+
+STDMETHODIMP
+uiaRawElmProvider::get_Value(__RPC__deref_out_opt BSTR* aRetVal) {
+  if (!aRetVal) {
+    return E_INVALIDARG;
+  }
+  *aRetVal = nullptr;
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  nsAutoString value;
+  acc->Value(value);
+  *aRetVal = ::SysAllocStringLen(value.get(), value.Length());
+  if (!*aRetVal) {
+    return E_OUTOFMEMORY;
+  }
+  return S_OK;
+}
+
+STDMETHODIMP
+uiaRawElmProvider::get_IsReadOnly(__RPC__out BOOL* aRetVal) {
+  if (!aRetVal) {
+    return E_INVALIDARG;
+  }
+  Accessible* acc = Acc();
+  if (!acc) {
+    return CO_E_OBJNOTCONNECTED;
+  }
+  *aRetVal = acc->State() & states::READONLY;
   return S_OK;
 }
 
@@ -314,3 +813,44 @@ bool uiaRawElmProvider::IsControl() {
 
   return true;
 }
+
+long uiaRawElmProvider::GetControlType() const {
+  Accessible* acc = Acc();
+  MOZ_ASSERT(acc);
+#define ROLE(_geckoRole, stringRole, ariaRole, atkRole, macRole, macSubrole, \
+             msaaRole, ia2Role, androidClass, iosIsElement, uiaControlType,  \
+             nameRule)                                                       \
+  case roles::_geckoRole:                                                    \
+    return uiaControlType;                                                   \
+    break;
+  switch (acc->Role()) {
+#include "RoleMap.h"
+  }
+#undef ROLE
+  MOZ_CRASH("Unknown role.");
+  return 0;
+}
+
+bool uiaRawElmProvider::HasTogglePattern() {
+  Accessible* acc = Acc();
+  MOZ_ASSERT(acc);
+  return acc->State() & states::CHECKABLE ||
+         acc->Role() == roles::TOGGLE_BUTTON;
+}
+
+bool uiaRawElmProvider::HasExpandCollapsePattern() {
+  Accessible* acc = Acc();
+  MOZ_ASSERT(acc);
+  return acc->State() & (states::EXPANDABLE | states::HASPOPUP);
+}
+
+bool uiaRawElmProvider::HasValuePattern() const {
+  Accessible* acc = Acc();
+  MOZ_ASSERT(acc);
+  if (acc->HasNumericValue() || acc->IsCombobox() || acc->IsHTMLLink() ||
+      acc->IsTextField()) {
+    return true;
+  }
+  const nsRoleMapEntry* roleMapEntry = acc->ARIARoleMap();
+  return roleMapEntry && roleMapEntry->Is(nsGkAtoms::textbox);
+}
diff --git a/accessible/windows/uia/uiaRawElmProvider.h b/accessible/windows/uia/uiaRawElmProvider.h
index 0e5172c805..0e05d1a030 100644
--- a/accessible/windows/uia/uiaRawElmProvider.h
+++ b/accessible/windows/uia/uiaRawElmProvider.h
@@ -7,9 +7,9 @@
 #ifndef mozilla_a11y_uiaRawElmProvider_h__
 #define mozilla_a11y_uiaRawElmProvider_h__
 
-#include "objbase.h"
-#include "IUnknownImpl.h"
-#include "uiautomation.h"
+#include <objbase.h>
+#include <stdint.h>
+#include <uiautomation.h>
 
 namespace mozilla {
 namespace a11y {
@@ -20,12 +20,21 @@ class Accessible;
  * IRawElementProviderSimple implementation (maintains IAccessibleEx approach).
  */
 class uiaRawElmProvider : public IAccessibleEx,
-                          public IRawElementProviderSimple {
+                          public IRawElementProviderSimple,
+                          public IRawElementProviderFragment,
+                          public IInvokeProvider,
+                          public IToggleProvider,
+                          public IExpandCollapseProvider,
+                          public IScrollItemProvider,
+                          public IValueProvider {
  public:
+  static void RaiseUiaEventForGeckoEvent(Accessible* aAcc,
+                                         uint32_t aGeckoEvent);
+  static void RaiseUiaEventForStateChange(Accessible* aAcc, uint64_t aState,
+                                          bool aEnabled);
+
   // IUnknown
-  DECL_IUNKNOWN_INHERITED
-  ULONG STDMETHODCALLTYPE AddRef() override;
-  ULONG STDMETHODCALLTYPE Release() override;
+  STDMETHODIMP QueryInterface(REFIID aIid, void** aInterface);
 
   // IAccessibleEx
   virtual HRESULT STDMETHODCALLTYPE GetObjectForChild(
@@ -59,9 +68,63 @@ class uiaRawElmProvider : public IAccessibleEx,
       /* [retval][out] */ __RPC__deref_out_opt IRawElementProviderSimple**
           aRawElmProvider);
 
+  // IRawElementProviderFragment
+  virtual HRESULT STDMETHODCALLTYPE Navigate(
+      /* [in] */ enum NavigateDirection aDirection,
+      /* [retval][out] */ __RPC__deref_out_opt IRawElementProviderFragment**
+          aRetVal);
+
+  // GetRuntimeId is shared with IAccessibleEx.
+
+  virtual HRESULT STDMETHODCALLTYPE get_BoundingRectangle(
+      /* [retval][out] */ __RPC__out struct UiaRect* aRetVal);
+
+  virtual HRESULT STDMETHODCALLTYPE GetEmbeddedFragmentRoots(
+      /* [retval][out] */ __RPC__deref_out_opt SAFEARRAY** aRetVal);
+
+  virtual HRESULT STDMETHODCALLTYPE SetFocus(void);
+
+  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_FragmentRoot(
+      /* [retval][out] */ __RPC__deref_out_opt IRawElementProviderFragmentRoot**
+          aRetVal);
+
+  // IInvokeProvider
+  virtual HRESULT STDMETHODCALLTYPE Invoke(void);
+
+  // IToggleProvider
+  virtual HRESULT STDMETHODCALLTYPE Toggle(void);
+
+  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_ToggleState(
+      /* [retval][out] */ __RPC__out enum ToggleState* aRetVal);
+
+  // IExpandCollapseProvider
+  virtual HRESULT STDMETHODCALLTYPE Expand(void);
+
+  virtual HRESULT STDMETHODCALLTYPE Collapse(void);
+
+  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_ExpandCollapseState(
+      /* [retval][out] */ __RPC__out enum ExpandCollapseState* aRetVal);
+
+  // IScrollItemProvider
+  virtual HRESULT STDMETHODCALLTYPE ScrollIntoView(void);
+
+  // IValueProvider
+  virtual HRESULT STDMETHODCALLTYPE SetValue(
+      /* [in] */ __RPC__in LPCWSTR val);
+
+  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_Value(
+      /* [retval][out] */ __RPC__deref_out_opt BSTR* pRetVal);
+
+  virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_IsReadOnly(
+      /* [retval][out] */ __RPC__out BOOL* pRetVal);
+
  private:
-  Accessible* Acc();
+  Accessible* Acc() const;
   bool IsControl();
+  long GetControlType() const;
+  bool HasTogglePattern();
+  bool HasExpandCollapsePattern();
+  bool HasValuePattern() const;
 };
 
 }  // namespace a11y
diff --git a/accessible/xpcom/xpcAccessible.cpp b/accessible/xpcom/xpcAccessible.cpp
index 37901e3ec2..ebf7ba8e80 100644
--- a/accessible/xpcom/xpcAccessible.cpp
+++ b/accessible/xpcom/xpcAccessible.cpp
@@ -636,7 +636,8 @@ xpcAccessible::ScrollToPoint(uint32_t aCoordinateType, int32_t aX, int32_t aY) {
 
 NS_IMETHODIMP
 xpcAccessible::Announce(const nsAString& aAnnouncement, uint16_t aPriority) {
-  if (RemoteAccessible* proxy = IntlGeneric()->AsRemote()) {
+  RemoteAccessible* proxy = IntlGeneric()->AsRemote();
+  if (proxy) {
 #if defined(XP_WIN)
     return NS_ERROR_NOT_IMPLEMENTED;
 #else