crossbeam-utils

• Make AtomicCell::{as_ptr,into_inner} const. (#1237)
• Make CachePadded repr(C). (#1270)
• Optimize WaitGroup. (#1195)

• Make AtomicCell::{as_ptr,into_inner} const. (#1237)
• Make CachePadded repr(C). (#1270)
• Optimize WaitGroup. (#1195)

• Improve implementation of CachePadded. (#1152)

• Improve implementation of CachePadded. (#1152)

• Implement Display for CachePadded. (#1097)

• Remove dependency on cfg-if. (#1072)

• Relax the minimum supported Rust version to 1.60. (#1056)
• Improve scalability of AtomicCell fallback. (#1055)

• Bump the minimum supported Rust version to 1.61. (#1037)
• Improve support for targets without atomic CAS or 64-bit atomic. (#1037)
• Always implement UnwindSafe and RefUnwindSafe for AtomicCell. (#1045)
• Improve compatibility with Miri, TSan, and loom. (#995, #1003)
• Improve compatibility with unstable oom=panic. (#1045)
• Improve implementation of CachePadded. (#1014, #1025)
• Update loom dependency to 0.7.

• Improve implementation of CachePadded. (#967)

• Add #[clippy::has_significant_drop] to ShardedLock{Read,Write}Guard. (#958)
• Improve handling of very large timeout. (#953)
• Soft-deprecate thread::scope() in favor of the more efficient std::thread::scope that stabilized in Rust 1.63. (#954)

• Fix build script bug introduced in 0.8.13. (#932)

Note: This release has been yanked due to regression fixed in 0.8.14.

• Improve support for custom targets. (#922)

• Removes the dependency on the once_cell crate to restore the MSRV. (#913)
• Work around rust-lang#98302, which causes compile error on windows-gnu when LTO is enabled. (#913)

• Bump the minimum supported Rust version to 1.38. (#877)

• Fix unsoundness of AtomicCell on types containing niches. (#834) This fix contains breaking changes, but they are allowed because this is a soundness bug fix. See #834 for more.

• Replace lazy_static with once_cell. (#817)

• Fix a bug when unstable loom support is enabled. (#787)

• Optimize Worker::push, Stealer::steal_batch*, Injector::steal_batch*. (#1233)

• Add AtomicCell<{i*,u*}>::{fetch_max,fetch_min}. (#785)
• Add AtomicCell<{i*,u*,bool}>::fetch_nand. (#785)
• Fix unsoundness of AtomicCell<{i,u}64> arithmetics on 32-bit targets that support Atomic{I,U}64 (#781)

• Fix stack overflow when pushing large value to Injector. (#1146, #1147, #1159)

Note: This release has been yanked. See GHSA-qc84-gqf4-9926 for details.

• Re-add AtomicCell<{i,u}64>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor} that were accidentally removed in 0.8.0 on targets that do not support Atomic{I,U}64. (#767)
• Re-add AtomicCell<{i,u}128>::{fetch_add,fetch_sub,fetch_and,fetch_or,fetch_xor} that were accidentally removed in 0.8.0. (#767)

Note: This release has been yanked. See GHSA-qc84-gqf4-9926 for details.

• Add AtomicCell::fetch_update. (#704)
• Support targets that do not have atomic CAS on stable Rust. (#698)

• Remove dependency on cfg-if. (#1072)

Note: This release has been yanked. See GHSA-qc84-gqf4-9926 for details.

• Bump loom dependency to version 0.5. (#686)

• Bump the minimum supported Rust version to 1.61. (#1037)

Note: This release has been yanked. See GHSA-qc84-gqf4-9926 for details.

• Make loom dependency optional. (#666)

• Bump the minimum supported Rust version to 1.38. (#877)

Note: This release has been yanked. See GHSA-qc84-gqf4-9926 for details.

• Deprecate AtomicCell::compare_and_swap. Use AtomicCell::compare_exchange instead. (#619)
• Add Parker::park_deadline. (#563)
• Improve implementation of CachePadded. (#636)
• Add unstable support for loom. (#487)

• Support targets that do not have atomic CAS on stable Rust (#698)

Note: This release has been yanked. See GHSA-qc84-gqf4-9926 for details.

• Make AtomicCell::is_lock_free always const fn. (#600)
• Fix a bug in seq_lock_wide. (#596)
• Remove const_fn dependency. (#600)
• crossbeam-utils no longer fails to compile if unable to determine rustc version. Instead, it now displays a warning. (#604)

• Bump the minimum supported Rust version to 1.36.
• Bump crossbeam-channel to 0.5.
• Bump crossbeam-deque to 0.8.
• Bump crossbeam-epoch to 0.9.
• Bump crossbeam-queue to 0.3.
• Bump crossbeam-utils to 0.8.

Note: This release has been yanked. See GHSA-qc84-gqf4-9926 for details.

• Bump the minimum supported Rust version to 1.36.
• Remove deprecated AtomicCell::get_mut() and Backoff::is_complete() methods.
• Remove alloc feature.
• Make CachePadded::new() const function.
• Make AtomicCell::is_lock_free() const function at 1.46+.
• Implement From<T> for AtomicCell<T>.

• Bump crossbeam-channel to 0.3.9.
• Bump crossbeam-epoch to 0.7.2.
• Bump crossbeam-utils to 0.6.6.

• Fix bug in release (yanking 0.7.1)

• Bump crossbeam-utils to 0.6.5.

• Bump autocfg dependency to version 1.0. (#460)
• Make AtomicCell lockfree for u8, u16, u32, u64 sized values at 1.34+. (#454)

• Remove ArcCell, MsQueue, and TreiberStack.
• Change the interface of ShardedLock to match RwLock.
• Add SegQueue::len().
• Rename SegQueue::try_pop() to SegQueue::pop().
• Change the return type of SegQueue::pop() to Result.
• Introduce ArrayQueue.
• Update dependencies.

• Bump the minimum required version to 1.28.
• Fix breakage with nightly feature due to rust-lang/rust#65214.
• Apply #[repr(transparent)] to AtomicCell.
• Make AtomicCell::new() const function at 1.31+.

• Add UnwindSafe and RefUnwindSafe impls for AtomicCell.
• Add AtomicCell::as_ptr().
• Add AtomicCell::take().
• Fix a bug in AtomicCell::compare_exchange() and AtomicCell::compare_and_swap().
• Various documentation improvements.

• Rename Backoff::is_complete() to Backoff::is_completed().

• Add WaitGroup, ShardedLock, and Backoff.
• Add fetch_* methods for AtomicCell<i128> and AtomicCell<u128>.
• Expand documentation.

• Add AtomicCell.
• Improve documentation.

• Add Parker.
• Improve documentation.

• Fix a soundness bug in Scope::spawn().
• Remove the T: 'scope bound on ScopedJoinHandle.

• Update dependencies.

• Move AtomicConsume to atomic module.
• scope() returns a Result of thread joins.
• Remove spawn_unchecked.
• Fix a soundness bug due to incorrect lifetimes.
• Improve documentation.
• Support nested scoped spawns.
• Implement Copy, Hash, PartialEq, and Eq for CachePadded.
• Add CachePadded::into_inner().

• Update crossbeam-channel to 0.3.
• Update crossbeam-utils to 0.6.
• Add AtomicCell, SharedLock, and WaitGroup.

• Reorganize sub-modules and rename functions.

• Fix a double-free bug in MsQueue and SegQueue.

• Fix a documentation link.

• CachePadded supports types bigger than 64 bytes.
• Fix a bug in scoped threads where unitialized memory was being dropped.
• Minimum required Rust version is now 1.25.

• Mark load_consume with #[inline].

• load_consume on ARM and AArch64.

• Add join for scoped thread API.
• Add load_consume for atomic load-consume memory ordering.
• Remove AtomicOption.

• Support Rust 1.12.1.
• Call T::clone when cloning a CachePadded<T>.

• Add use_std feature.

• Add nightly feature.
• Use repr(align(64)) on CachePadded with the nightly feature.
• Implement Drop for CachePadded<T>.
• Implement Clone for CachePadded<T>.
• Implement From<T> for CachePadded<T>.
• Implement better Debug for CachePadded<T>.
• Write more tests.
• Add this changelog.
• Change cache line length to 64 bytes.
• Remove ZerosValid.

• Old implementation of CachePadded from crossbeam version 0.3.0