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# Version 0.9.9
- Replace lazy_static with once_cell. (#817)
# Version 0.9.8
- Make `Atomic::null()` const function at 1.61+. (#797)
# Version 0.9.7
- Fix Miri error when `-Zmiri-check-number-validity` is enabled. (#779)
# Version 0.9.6
- Add `Atomic::fetch_update`. (#706)
# Version 0.9.5
- Fix UB in `Pointable` impl of `[MaybeUninit<T>]`. (#694)
- Support targets that do not have atomic CAS on stable Rust. (#698)
- Fix breakage with nightly feature due to rust-lang/rust#84510. (#692)
# Version 0.9.4
**Note**: This release has been yanked. See [#693](https://github.com/crossbeam-rs/crossbeam/issues/693) for details.
- Fix UB in `<[MaybeUninit<T>] as Pointable>::init` when global allocator failed allocation. (#690)
- Bump `loom` dependency to version 0.5. (#686)
# Version 0.9.3
**Note**: This release has been yanked. See [#693](https://github.com/crossbeam-rs/crossbeam/issues/693) for details.
- Make `loom` dependency optional. (#666)
# Version 0.9.2
**Note**: This release has been yanked. See [#693](https://github.com/crossbeam-rs/crossbeam/issues/693) for details.
- Add `Atomic::compare_exchange` and `Atomic::compare_exchange_weak`. (#628)
- Deprecate `Atomic::compare_and_set` and `Atomic::compare_and_set_weak`. Use `Atomic::compare_exchange` or `Atomic::compare_exchange_weak` instead. (#628)
- Make `const_fn` dependency optional. (#611)
- Add unstable support for `loom`. (#487)
# Version 0.9.1
**Note**: This release has been yanked. See [#693](https://github.com/crossbeam-rs/crossbeam/issues/693) for details.
- Bump `memoffset` dependency to version 0.6. (#592)
# Version 0.9.0
**Note**: This release has been yanked. See [#693](https://github.com/crossbeam-rs/crossbeam/issues/693) for details.
- Bump the minimum supported Rust version to 1.36.
- Support dynamically sized types.
# Version 0.8.2
- Fix bug in release (yanking 0.8.1)
# Version 0.8.1
- Bump `autocfg` dependency to version 1.0. (#460)
- Reduce stall in list iteration. (#376)
- Stop stealing from the same deque. (#448)
- Fix unsoundness issues by adopting `MaybeUninit`. (#458)
- Fix use-after-free in lock-free queue. (#466)
# Version 0.8.0
- Bump the minimum required version to 1.28.
- Fix breakage with nightly feature due to rust-lang/rust#65214.
- Make `Atomic::null()` const function at 1.31+.
- Bump `crossbeam-utils` to `0.7`.
# Version 0.7.2
- Add `Atomic::into_owned()`.
- Update `memoffset` dependency.
# Version 0.7.1
- Add `Shared::deref_mut()`.
- Add a Treiber stack to examples.
# Version 0.7.0
- Remove `Guard::clone()`.
- Bump dependencies.
# Version 0.6.1
- Update `crossbeam-utils` to `0.6`.
# Version 0.6.0
- `defer` now requires `F: Send + 'static`.
- Bump the minimum Rust version to 1.26.
- Pinning while TLS is tearing down does not fail anymore.
- Rename `Handle` to `LocalHandle`.
- Add `defer_unchecked` and `defer_destroy`.
- Remove `Clone` impl for `LocalHandle`.
# Version 0.5.2
- Update `crossbeam-utils` to `0.5`.
# Version 0.5.1
- Fix compatibility with the latest Rust nightly.
# Version 0.5.0
- Update `crossbeam-utils` to `0.4`.
- Specify the minimum Rust version to `1.25.0`.
# Version 0.4.3
- Downgrade `crossbeam-utils` to `0.3` because it was a breaking change.
# Version 0.4.2
- Expose the `Pointer` trait.
- Warn missing docs and missing debug impls.
- Update `crossbeam-utils` to `0.4`.
# Version 0.4.1
- Add `Debug` impls for `Collector`, `Handle`, and `Guard`.
- Add `load_consume` to `Atomic`.
- Rename `Collector::handle` to `Collector::register`.
- Remove the `Send` implementation for `Handle` (this was a bug). Only
`Collector`s can be shared among multiple threads, while `Handle`s and
`Guard`s must stay within the thread in which they were created.
# Version 0.4.0
- Update dependencies.
- Remove support for Rust 1.13.
# Version 0.3.0
- Add support for Rust 1.13.
- Improve documentation for CAS.
# Version 0.2.0
- Add method `Owned::into_box`.
- Fix a use-after-free bug in `Local::finalize`.
- Fix an ordering bug in `Global::push_bag`.
- Fix a bug in calculating distance between epochs.
- Remove `impl<T> Into<Box<T>> for Owned<T>`.
# Version 0.1.0
- First version of the new epoch-based GC.
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