3 - Fix bug in release (yanking 0.7.1)
7 - Bump `autocfg` dependency to version 1.0. (#460)
8 - Make `AtomicCell` lockfree for u8, u16, u32, u64 sized values at 1.34+. (#454)
12 - Bump the minimum required version to 1.28.
13 - Fix breakage with nightly feature due to rust-lang/rust#65214.
14 - Apply `#[repr(transparent)]` to `AtomicCell`.
15 - Make `AtomicCell::new()` const function at 1.31+.
19 - Add `UnwindSafe` and `RefUnwindSafe` impls for `AtomicCell`.
20 - Add `AtomicCell::as_ptr()`.
21 - Add `AtomicCell::take()`.
22 - Fix a bug in `AtomicCell::compare_exchange()` and `AtomicCell::compare_and_swap()`.
23 - Various documentation improvements.
27 - Rename `Backoff::is_complete()` to `Backoff::is_completed()`.
31 - Add `WaitGroup`, `ShardedLock`, and `Backoff`.
32 - Add `fetch_*` methods for `AtomicCell<i128>` and `AtomicCell<u128>`.
33 - Expand documentation.
38 - Improve documentation.
43 - Improve documentation.
47 - Fix a soundness bug in `Scope::spawn()`.
48 - Remove the `T: 'scope` bound on `ScopedJoinHandle`.
52 - Move `AtomicConsume` to `atomic` module.
53 - `scope()` returns a `Result` of thread joins.
54 - Remove `spawn_unchecked`.
55 - Fix a soundness bug due to incorrect lifetimes.
56 - Improve documentation.
57 - Support nested scoped spawns.
58 - Implement `Copy`, `Hash`, `PartialEq`, and `Eq` for `CachePadded`.
59 - Add `CachePadded::into_inner()`.
63 - Reorganize sub-modules and rename functions.
67 - Fix a documentation link.
71 - `CachePadded` supports types bigger than 64 bytes.
72 - Fix a bug in scoped threads where unitialized memory was being dropped.
73 - Minimum required Rust version is now 1.25.
77 - Mark `load_consume` with `#[inline]`.
81 - `load_consume` on ARM and AArch64.
85 - Add `join` for scoped thread API.
86 - Add `load_consume` for atomic load-consume memory ordering.
87 - Remove `AtomicOption`.
91 - Support Rust 1.12.1.
92 - Call `T::clone` when cloning a `CachePadded<T>`.
96 - Add `use_std` feature.
100 - Add `nightly` feature.
101 - Use `repr(align(64))` on `CachePadded` with the `nightly` feature.
102 - Implement `Drop` for `CachePadded<T>`.
103 - Implement `Clone` for `CachePadded<T>`.
104 - Implement `From<T>` for `CachePadded<T>`.
105 - Implement better `Debug` for `CachePadded<T>`.
107 - Add this changelog.
108 - Change cache line length to 64 bytes.
109 - Remove `ZerosValid`.
113 - Old implementation of `CachePadded` from `crossbeam` version 0.3.0