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+# 2.4.1
+
+## What's Changed
+* Allow some new pedantic clippy lints by @KodrAus in https://github.com/bitflags/bitflags/pull/380
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/2.4.0...2.4.1
+
+# 2.4.0
+
+## What's Changed
+* Remove html_root_url by @eldruin in https://github.com/bitflags/bitflags/pull/368
+* Support unnamed flags by @KodrAus in https://github.com/bitflags/bitflags/pull/371
+* Update smoke test to verify all Clippy and rustc lints by @MitMaro in https://github.com/bitflags/bitflags/pull/374
+* Specify the behavior of bitflags by @KodrAus in https://github.com/bitflags/bitflags/pull/369
+
+## New Contributors
+* @eldruin made their first contribution in https://github.com/bitflags/bitflags/pull/368
+* @MitMaro made their first contribution in https://github.com/bitflags/bitflags/pull/374
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/2.3.3...2.4.0
+
+# 2.3.3
+
+## Changes to `-=`
+
+The `-=` operator was incorrectly changed to truncate bits that didn't correspond to valid flags in `2.3.0`. This has
+been fixed up so it once again behaves the same as `-` and `difference`.
+
+## Changes to `!`
+
+The `!` operator previously called `Self::from_bits_truncate`, which would truncate any bits that only partially
+overlapped with a valid flag. It will now use `bits & Self::all().bits()`, so any bits that overlap any bits
+specified by any flag will be respected. This is unlikely to have any practical implications, but enables defining
+a flag like `const ALL = !0` as a way to signal that any bit pattern is a known set of flags.
+
+## Changes to formatting
+
+Zero-valued flags will never be printed. You'll either get `0x0` for empty flags using debug formatting, or the
+set of flags with zero-valued flags omitted for others.
+
+Composite flags will no longer be redundantly printed if there are extra bits to print at the end that don't correspond
+to a valid flag.
+
+## What's Changed
+* Fix up incorrect sub assign behavior and other cleanups by @KodrAus in https://github.com/bitflags/bitflags/pull/366
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/2.3.2...2.3.3
+
+# 2.3.2
+
+## What's Changed
+* [doc] [src/lib.rs]  delete redundant path prefix by @OccupyMars2025 in https://github.com/bitflags/bitflags/pull/361
+
+## New Contributors
+* @OccupyMars2025 made their first contribution in https://github.com/bitflags/bitflags/pull/361
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/2.3.1...2.3.2
+
+# 2.3.1
+
+## What's Changed
+* Fix Self in flags value expressions by @KodrAus in https://github.com/bitflags/bitflags/pull/355
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/2.3.0...2.3.1
+
+# 2.3.0
+
+## What's Changed
+* Support ejecting flags types from the bitflags macro by @KodrAus in https://github.com/bitflags/bitflags/pull/351
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/2.2.1...2.3.0
+
+# 2.2.1
+
+## What's Changed
+* Refactor attribute filtering to apply per-flag by @KodrAus in https://github.com/bitflags/bitflags/pull/345
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/2.2.0...2.2.1
+
+# 2.2.0
+
+## What's Changed
+* Create SECURITY.md by @KodrAus in https://github.com/bitflags/bitflags/pull/338
+* add docs to describe the behavior of multi-bit flags by @nicholasbishop in https://github.com/bitflags/bitflags/pull/340
+* Add support for bytemuck by @KodrAus in https://github.com/bitflags/bitflags/pull/336
+* Add a top-level macro for filtering attributes by @KodrAus in https://github.com/bitflags/bitflags/pull/341
+
+## New Contributors
+* @nicholasbishop made their first contribution in https://github.com/bitflags/bitflags/pull/340
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/2.1.0...2.2.0
+
+# 2.1.0
+
+## What's Changed
+* Add docs for the internal Field0 and examples of formatting/parsing by @KodrAus in https://github.com/bitflags/bitflags/pull/328
+* Add support for arbitrary by @KodrAus in https://github.com/bitflags/bitflags/pull/324
+* Fix up missing docs for consts within consts by @KodrAus in https://github.com/bitflags/bitflags/pull/330
+* Ignore clippy lint in generated code by @Jake-Shadle in https://github.com/bitflags/bitflags/pull/331
+
+## New Contributors
+* @Jake-Shadle made their first contribution in https://github.com/bitflags/bitflags/pull/331
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/2.0.2...2.1.0
+
+# 2.0.2
+
+## What's Changed
+* Fix up missing isize and usize Bits impls by @KodrAus in https://github.com/bitflags/bitflags/pull/321
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/2.0.1...2.0.2
+
+# 2.0.1
+
+## What's Changed
+* Fix up some docs issues by @KodrAus in https://github.com/bitflags/bitflags/pull/309
+* Make empty_flag() const. by @tormeh in https://github.com/bitflags/bitflags/pull/313
+* Fix formatting of multi-bit flags with partial overlap by @KodrAus in https://github.com/bitflags/bitflags/pull/316
+
+## New Contributors
+* @tormeh made their first contribution in https://github.com/bitflags/bitflags/pull/313
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/2.0.0...2.0.1
+
+# 2.0.0
+
+## What's Changed
+* Fix a typo and call out MSRV bump by @KodrAus in https://github.com/bitflags/bitflags/pull/259
+* BitFlags trait by @arturoc in https://github.com/bitflags/bitflags/pull/220
+* Add a hidden trait to discourage manual impls of BitFlags by @KodrAus in https://github.com/bitflags/bitflags/pull/261
+* Sanitize `Ok` by @konsumlamm in https://github.com/bitflags/bitflags/pull/266
+* Fix bug in `Debug` implementation by @konsumlamm in https://github.com/bitflags/bitflags/pull/268
+* Fix a typo in the generated documentation by @wackbyte in https://github.com/bitflags/bitflags/pull/271
+* Use SPDX license format by @atouchet in https://github.com/bitflags/bitflags/pull/272
+* serde tests fail in CI by @arturoc in https://github.com/bitflags/bitflags/pull/277
+* Fix beta test output by @KodrAus in https://github.com/bitflags/bitflags/pull/279
+* Add example to the README.md file by @tiaanl in https://github.com/bitflags/bitflags/pull/270
+* Iterator over all the enabled options by @arturoc in https://github.com/bitflags/bitflags/pull/278
+* from_bits_(truncate) fail with composite flags by @arturoc in https://github.com/bitflags/bitflags/pull/276
+* Add more platform coverage to CI by @KodrAus in https://github.com/bitflags/bitflags/pull/280
+* rework the way cfgs are handled by @KodrAus in https://github.com/bitflags/bitflags/pull/281
+* Split generated code into two types by @KodrAus in https://github.com/bitflags/bitflags/pull/282
+* expose bitflags iters using nameable types by @KodrAus in https://github.com/bitflags/bitflags/pull/286
+* Support creating flags from their names by @KodrAus in https://github.com/bitflags/bitflags/pull/287
+* Update README.md by @KodrAus in https://github.com/bitflags/bitflags/pull/288
+* Prepare for 2.0.0-rc.1 release by @KodrAus in https://github.com/bitflags/bitflags/pull/289
+* Add missing "if" to contains doc-comment in traits.rs by @rusty-snake in https://github.com/bitflags/bitflags/pull/291
+* Forbid unsafe_code by @fintelia in https://github.com/bitflags/bitflags/pull/294
+* serde: enable no-std support by @nim65s in https://github.com/bitflags/bitflags/pull/296
+* Add a parser for flags formatted as bar-separated-values by @KodrAus in https://github.com/bitflags/bitflags/pull/297
+* Prepare for 2.0.0-rc.2 release by @KodrAus in https://github.com/bitflags/bitflags/pull/299
+* Use strip_prefix instead of starts_with + slice by @QuinnPainter in https://github.com/bitflags/bitflags/pull/301
+* Fix up some clippy lints by @KodrAus in https://github.com/bitflags/bitflags/pull/302
+* Prepare for 2.0.0-rc.3 release by @KodrAus in https://github.com/bitflags/bitflags/pull/303
+* feat: Add minimum permissions to rust.yml workflow by @gabibguti in https://github.com/bitflags/bitflags/pull/305
+
+## New Contributors
+* @wackbyte made their first contribution in https://github.com/bitflags/bitflags/pull/271
+* @atouchet made their first contribution in https://github.com/bitflags/bitflags/pull/272
+* @tiaanl made their first contribution in https://github.com/bitflags/bitflags/pull/270
+* @rusty-snake made their first contribution in https://github.com/bitflags/bitflags/pull/291
+* @fintelia made their first contribution in https://github.com/bitflags/bitflags/pull/294
+* @nim65s made their first contribution in https://github.com/bitflags/bitflags/pull/296
+* @QuinnPainter made their first contribution in https://github.com/bitflags/bitflags/pull/301
+* @gabibguti made their first contribution in https://github.com/bitflags/bitflags/pull/305
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/1.3.2...2.0.0
+
+# 2.0.0-rc.3
+
+## What's Changed
+* Use strip_prefix instead of starts_with + slice by @QuinnPainter in https://github.com/bitflags/bitflags/pull/301
+* Fix up some clippy lints by @KodrAus in https://github.com/bitflags/bitflags/pull/302
+
+## New Contributors
+* @QuinnPainter made their first contribution in https://github.com/bitflags/bitflags/pull/301
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/2.0.0-rc.2...2.0.0-rc.3
+
+# 2.0.0-rc.2
+
+## Changes to `serde` serialization
+
+**⚠️ NOTE ⚠️** This release changes the default serialization you'll get if you `#[derive(Serialize, Deserialize)]`
+on your generated flags types. It will now use a formatted string for human-readable formats and the underlying bits
+type for compact formats.
+
+To keep the old behavior, see the [`bitflags-serde-legacy`](https://github.com/KodrAus/bitflags-serde-legacy) library.
+
+## What's Changed
+
+* Add missing "if" to contains doc-comment in traits.rs by @rusty-snake in https://github.com/bitflags/bitflags/pull/291
+* Forbid unsafe_code by @fintelia in https://github.com/bitflags/bitflags/pull/294
+* serde: enable no-std support by @nim65s in https://github.com/bitflags/bitflags/pull/296
+* Add a parser for flags formatted as bar-separated-values by @KodrAus in https://github.com/bitflags/bitflags/pull/297
+
+## New Contributors
+* @rusty-snake made their first contribution in https://github.com/bitflags/bitflags/pull/291
+* @fintelia made their first contribution in https://github.com/bitflags/bitflags/pull/294
+* @nim65s made their first contribution in https://github.com/bitflags/bitflags/pull/296
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/2.0.0-rc.1...2.0.0-rc.2
+
+# 2.0.0-rc.1
+
+This is a big release including a few years worth of work on a new `BitFlags` trait, iteration, and better macro organization for future extensibility.
+
+## What's Changed
+* Fix a typo and call out MSRV bump by @KodrAus in https://github.com/bitflags/bitflags/pull/259
+* BitFlags trait by @arturoc in https://github.com/bitflags/bitflags/pull/220
+* Add a hidden trait to discourage manual impls of BitFlags by @KodrAus in https://github.com/bitflags/bitflags/pull/261
+* Sanitize `Ok` by @konsumlamm in https://github.com/bitflags/bitflags/pull/266
+* Fix bug in `Debug` implementation by @konsumlamm in https://github.com/bitflags/bitflags/pull/268
+* Fix a typo in the generated documentation by @wackbyte in https://github.com/bitflags/bitflags/pull/271
+* Use SPDX license format by @atouchet in https://github.com/bitflags/bitflags/pull/272
+* serde tests fail in CI by @arturoc in https://github.com/bitflags/bitflags/pull/277
+* Fix beta test output by @KodrAus in https://github.com/bitflags/bitflags/pull/279
+* Add example to the README.md file by @tiaanl in https://github.com/bitflags/bitflags/pull/270
+* Iterator over all the enabled options by @arturoc in https://github.com/bitflags/bitflags/pull/278
+* from_bits_(truncate) fail with composite flags by @arturoc in https://github.com/bitflags/bitflags/pull/276
+* Add more platform coverage to CI by @KodrAus in https://github.com/bitflags/bitflags/pull/280
+* rework the way cfgs are handled by @KodrAus in https://github.com/bitflags/bitflags/pull/281
+* Split generated code into two types by @KodrAus in https://github.com/bitflags/bitflags/pull/282
+* expose bitflags iters using nameable types by @KodrAus in https://github.com/bitflags/bitflags/pull/286
+* Support creating flags from their names by @KodrAus in https://github.com/bitflags/bitflags/pull/287
+* Update README.md by @KodrAus in https://github.com/bitflags/bitflags/pull/288
+
+## New Contributors
+* @wackbyte made their first contribution in https://github.com/bitflags/bitflags/pull/271
+* @atouchet made their first contribution in https://github.com/bitflags/bitflags/pull/272
+* @tiaanl made their first contribution in https://github.com/bitflags/bitflags/pull/270
+
+**Full Changelog**: https://github.com/bitflags/bitflags/compare/1.3.2...2.0.0-rc.1
+
+# 1.3.2
+
+- Allow `non_snake_case` in generated flags types ([#256])
+
+[#256]: https://github.com/bitflags/bitflags/pull/256
+
+# 1.3.1
+
+- Revert unconditional `#[repr(transparent)]` ([#252])
+
+[#252]: https://github.com/bitflags/bitflags/pull/252
+
+# 1.3.0 (yanked)
+
+**This release bumps the Minimum Supported Rust Version to `1.46.0`**
+
+- Add `#[repr(transparent)]` ([#187])
+
+- End `empty` doc comment with full stop ([#202])
+
+- Fix typo in crate root docs ([#206])
+
+- Document from_bits_unchecked unsafety ([#207])
+
+- Let `is_all` ignore extra bits ([#211])
+
+- Allows empty flag definition ([#225])
+
+- Making crate accessible from std ([#227])
+
+- Make `from_bits` a const fn ([#229])
+
+- Allow multiple bitflags structs in one macro invocation ([#235])
+
+- Add named functions to perform set operations ([#244])
+
+- Fix typos in method docs ([#245])
+
+- Modernization of the `bitflags` macro to take advantage of newer features and 2018 idioms ([#246])
+
+- Fix regression (in an unreleased feature) and simplify tests ([#247])
+
+- Use `Self` and fix bug when overriding `stringify!` ([#249])
+
+[#187]: https://github.com/bitflags/bitflags/pull/187
+[#202]: https://github.com/bitflags/bitflags/pull/202
+[#206]: https://github.com/bitflags/bitflags/pull/206
+[#207]: https://github.com/bitflags/bitflags/pull/207
+[#211]: https://github.com/bitflags/bitflags/pull/211
+[#225]: https://github.com/bitflags/bitflags/pull/225
+[#227]: https://github.com/bitflags/bitflags/pull/227
+[#229]: https://github.com/bitflags/bitflags/pull/229
+[#235]: https://github.com/bitflags/bitflags/pull/235
+[#244]: https://github.com/bitflags/bitflags/pull/244
+[#245]: https://github.com/bitflags/bitflags/pull/245
+[#246]: https://github.com/bitflags/bitflags/pull/246
+[#247]: https://github.com/bitflags/bitflags/pull/247
+[#249]: https://github.com/bitflags/bitflags/pull/249
+
+# 1.2.1
+
+- Remove extraneous `#[inline]` attributes ([#194])
+
+[#194]: https://github.com/bitflags/bitflags/pull/194
+
+# 1.2.0
+
+- Fix typo: {Lower, Upper}Exp - {Lower, Upper}Hex ([#183])
+
+- Add support for "unknown" bits ([#188])
+
+[#183]: https://github.com/rust-lang-nursery/bitflags/pull/183
+[#188]: https://github.com/rust-lang-nursery/bitflags/pull/188
+
+# 1.1.0
+
+This is a re-release of `1.0.5`, which was yanked due to a bug in the RLS.
+
+# 1.0.5
+
+- Use compiletest_rs flags supported by stable toolchain ([#171])
+
+- Put the user provided attributes first ([#173])
+
+- Make bitflags methods `const` on newer compilers ([#175])
+
+[#171]: https://github.com/rust-lang-nursery/bitflags/pull/171
+[#173]: https://github.com/rust-lang-nursery/bitflags/pull/173
+[#175]: https://github.com/rust-lang-nursery/bitflags/pull/175
+
+# 1.0.4
+
+- Support Rust 2018 style macro imports ([#165])
+
+  ```rust
+  use bitflags::bitflags;
+  ```
+
+[#165]: https://github.com/rust-lang-nursery/bitflags/pull/165
+
+# 1.0.3
+
+- Improve zero value flag handling and documentation ([#157])
+
+[#157]: https://github.com/rust-lang-nursery/bitflags/pull/157
+
+# 1.0.2
+
+- 30% improvement in compile time of bitflags crate ([#156])
+
+- Documentation improvements ([#153])
+
+- Implementation cleanup ([#149])
+
+[#156]: https://github.com/rust-lang-nursery/bitflags/pull/156
+[#153]: https://github.com/rust-lang-nursery/bitflags/pull/153
+[#149]: https://github.com/rust-lang-nursery/bitflags/pull/149
+
+# 1.0.1
+- Add support for `pub(restricted)` specifier on the bitflags struct ([#135])
+- Optimize performance of `all()` when called from a separate crate ([#136])
+
+[#135]: https://github.com/rust-lang-nursery/bitflags/pull/135
+[#136]: https://github.com/rust-lang-nursery/bitflags/pull/136
+
+# 1.0.0
+- **[breaking change]** Macro now generates [associated constants](https://doc.rust-lang.org/reference/items.html#associated-constants) ([#24])
+
+- **[breaking change]** Minimum supported version is Rust **1.20**, due to usage of associated constants
+
+- After being broken in 0.9, the `#[deprecated]` attribute is now supported again ([#112])
+
+- Other improvements to unit tests and documentation ([#106] and [#115])
+
+[#24]: https://github.com/rust-lang-nursery/bitflags/pull/24
+[#106]: https://github.com/rust-lang-nursery/bitflags/pull/106
+[#112]: https://github.com/rust-lang-nursery/bitflags/pull/112
+[#115]: https://github.com/rust-lang-nursery/bitflags/pull/115
+
+## How to update your code to use associated constants
+Assuming the following structure definition:
+```rust
+bitflags! {
+  struct Something: u8 {
+     const FOO = 0b01,
+     const BAR = 0b10
+  }
+}
+```
+In 0.9 and older you could do:
+```rust
+let x = FOO.bits | BAR.bits;
+```
+Now you must use:
+```rust
+let x = Something::FOO.bits | Something::BAR.bits;
+```
+
+# 0.9.1
+- Fix the implementation of `Formatting` traits when other formatting traits were present in scope ([#105])
+
+[#105]: https://github.com/rust-lang-nursery/bitflags/pull/105
+
+# 0.9.0
+- **[breaking change]** Use struct keyword instead of flags to define bitflag types ([#84])
+
+- **[breaking change]** Terminate const items with semicolons instead of commas ([#87])
+
+- Implement the `Hex`, `Octal`, and `Binary` formatting traits ([#86])
+
+- Printing an empty flag value with the `Debug` trait now prints "(empty)" instead of nothing ([#85])
+
+- The `bitflags!` macro can now be used inside of a fn body, to define a type local to that function ([#74])
+
+[#74]: https://github.com/rust-lang-nursery/bitflags/pull/74
+[#84]: https://github.com/rust-lang-nursery/bitflags/pull/84
+[#85]: https://github.com/rust-lang-nursery/bitflags/pull/85
+[#86]: https://github.com/rust-lang-nursery/bitflags/pull/86
+[#87]: https://github.com/rust-lang-nursery/bitflags/pull/87
+
+# 0.8.2
+- Update feature flag used when building bitflags as a dependency of the Rust toolchain
+
+# 0.8.1
+- Allow bitflags to be used as a dependency of the Rust toolchain
+
+# 0.8.0
+- Add support for the experimental `i128` and `u128` integer types ([#57])
+- Add set method: `flags.set(SOME_FLAG, true)` or `flags.set(SOME_FLAG, false)` ([#55])
+  This may break code that defines its own set method
+
+[#55]: https://github.com/rust-lang-nursery/bitflags/pull/55
+[#57]: https://github.com/rust-lang-nursery/bitflags/pull/57
+
+# 0.7.1
+*(yanked)*
+
+# 0.7.0
+- Implement the Extend trait ([#49])
+- Allow definitions inside the `bitflags!` macro to refer to items imported from other modules ([#51])
+
+[#49]: https://github.com/rust-lang-nursery/bitflags/pull/49
+[#51]: https://github.com/rust-lang-nursery/bitflags/pull/51
+
+# 0.6.0
+- The `no_std` feature was removed as it is now the default
+- The `assignment_operators` feature was remove as it is now enabled by default
+- Some clippy suggestions have been applied