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+.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+..
+.. SPDX-License-Identifier: MPL-2.0
+..
+.. 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 https://mozilla.org/MPL/2.0/.
+..
+.. See the COPYRIGHT file distributed with this work for additional
+.. information regarding copyright ownership.
+
+Notes for BIND 9.18.6
+---------------------
+
+Feature Changes
+~~~~~~~~~~~~~~~
+
+- The DNSSEC algorithms RSASHA1 and NSEC3RSASHA1 are now automatically
+  disabled on systems where they are disallowed by the security policy
+  (e.g. Red Hat Enterprise Linux 9). Primary zones using those
+  algorithms need to be migrated to new algorithms prior to running on
+  these systems, as graceful migration to different DNSSEC algorithms is
+  not possible when RSASHA1 is disallowed by the operating system.
+  :gl:`#3469`
+
+- Log messages related to fetch limiting have been improved to provide
+  more complete information. Specifically, the final counts of allowed
+  and spilled fetches are now logged before the counter object is
+  destroyed. :gl:`#3461`
+
+Bug Fixes
+~~~~~~~~~
+
+- When running as a validating resolver forwarding all queries to
+  another resolver, :iscman:`named` could crash with an assertion
+  failure. These crashes occurred when the configured forwarder sent a
+  broken DS response and :iscman:`named` failed its attempts to find a
+  proper one instead. This has been fixed. :gl:`#3439`
+
+- Non-dynamic zones that inherit :any:`dnssec-policy` from the
+  :namedconf:ref:`view` or :namedconf:ref:`options` blocks were not
+  marked as inline-signed and therefore never scheduled to be re-signed.
+  This has been fixed. :gl:`#3438`
+
+- The old :any:`max-zone-ttl` zone option was meant to be superseded by
+  the :any:`max-zone-ttl` option in :any:`dnssec-policy`; however, the
+  latter option was not fully effective. This has been corrected: zones
+  no longer load if they contain TTLs greater than the limit configured
+  in :any:`dnssec-policy`. For zones with both the old
+  :any:`max-zone-ttl` option and :any:`dnssec-policy` configured, the
+  old option is ignored, and a warning is generated. :gl:`#2918`
+
+- :option:`rndc dumpdb -expired <rndc dumpdb>` was fixed to include
+  expired RRsets, even if :any:`stale-cache-enable` is set to ``no`` and
+  the cache-cleaning time window has passed. :gl:`#3462`
+
+Known Issues
+~~~~~~~~~~~~
+
+- There are no new known issues with this release. See :ref:`above
+  <relnotes_known_issues>` for a list of all known issues affecting this
+  BIND 9 branch.