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# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [0.2.7] - 2022-06-14
### Changed
- Update `wasi` dependency to `0.11` [#253]
### Fixed
- Use `AtomicPtr` instead of `AtomicUsize` for Strict Provenance compatibility. [#263]
### Documentation
- Add comments explaining use of fallback mechanisms [#257] [#260]
[#263]: https://github.com/rust-random/getrandom/pull/263
[#260]: https://github.com/rust-random/getrandom/pull/260
[#253]: https://github.com/rust-random/getrandom/pull/253
[#257]: https://github.com/rust-random/getrandom/pull/257
## [0.2.6] - 2022-03-28
### Added
- Nintendo 3DS (`armv6k-nintendo-3ds`) support [#248]
### Changed
- Retry `open` when interrupted [#252]
[#248]: https://github.com/rust-random/getrandom/pull/248
[#252]: https://github.com/rust-random/getrandom/pull/252
## [0.2.5] - 2022-02-22
### Added
- ESP-IDF targets (`*‑espidf`) support [#245]
### Fixed
- Webpack warning caused by dynamic require [#234]
- Error checking on iOS for `SecRandomCopyBytes` [#244]
[#234]: https://github.com/rust-random/getrandom/pull/234
[#244]: https://github.com/rust-random/getrandom/pull/244
[#245]: https://github.com/rust-random/getrandom/pull/245
## [0.2.4] - 2021-12-13
### Changed
- Use explicit imports in the `js` backend [#220]
- Use `/dev/urandom` on Redox instead of `rand:` [#222]
- Use `NonZeroU32::new_unchecked` to convert wasi error [#233]
### Added
- SOLID targets (`*-kmc-solid_*`) support [#235]
- Limited Hermit (`x86_64-unknown-hermit`) support [#236]
[#220]: https://github.com/rust-random/getrandom/pull/220
[#222]: https://github.com/rust-random/getrandom/pull/222
[#233]: https://github.com/rust-random/getrandom/pull/233
[#235]: https://github.com/rust-random/getrandom/pull/235
[#236]: https://github.com/rust-random/getrandom/pull/236
## [0.2.3] - 2021-04-10
### Changed
- Replace build.rs with link attributes. [#205]
- Add support for getrandom syscall on DragonFly BSD. [#210]
- Improve Node.js detection. [#215]
[#205]: https://github.com/rust-random/getrandom/pull/205
[#210]: https://github.com/rust-random/getrandom/pull/210
[#215]: https://github.com/rust-random/getrandom/pull/215
## [0.2.2] - 2021-01-19
### Changed
- Forward `rustc-dep-of-std` to dependencies. [#198]
- Highlight feature-dependend functionality in documentation using the `doc_cfg` feature. [#200]
[#198]: https://github.com/rust-random/getrandom/pull/198
[#200]: https://github.com/rust-random/getrandom/pull/200
## [0.2.1] - 2021-01-03
### Changed
- Update `cfg-if` to v1.0. [#166]
- Update `wasi` to v0.10. [#167]
### Fixed
- Multithreaded WASM support. [#165]
### Removed
- Windows XP support. [#177]
- Direct `stdweb` support. [#178]
- CloudABI support. [#184]
[#165]: https://github.com/rust-random/getrandom/pull/165
[#166]: https://github.com/rust-random/getrandom/pull/166
[#167]: https://github.com/rust-random/getrandom/pull/167
[#177]: https://github.com/rust-random/getrandom/pull/177
[#178]: https://github.com/rust-random/getrandom/pull/178
[#184]: https://github.com/rust-random/getrandom/pull/184
## [0.2.0] - 2020-09-10
### Features for using getrandom on unsupported targets
The following (off by default) Cargo features have been added:
- `"rdrand"` - use the RDRAND instruction on `no_std` `x86`/`x86_64` targets [#133]
- `"js"` - use JavaScript calls on `wasm32-unknown-unknown` [#149]
- Replaces the `stdweb` and `wasm-bindgen` features (which are removed)
- `"custom"` - allows a user to specify a custom implementation [#109]
### Breaking Changes
- Unsupported targets no longer compile [#107]
- Change/Add `Error` constants [#120]
- Only impl `std` traits when the `"std"` Cargo feature is specified [#106]
- Remove official support for Hermit, L4Re, and UEFI [#133]
- Remove optional `"log"` dependency [#131]
- Update minimum supported Linux kernel to 2.6.32 [#153]
- Update MSRV to 1.34 [#159]
[#106]: https://github.com/rust-random/getrandom/pull/106
[#107]: https://github.com/rust-random/getrandom/pull/107
[#109]: https://github.com/rust-random/getrandom/pull/109
[#120]: https://github.com/rust-random/getrandom/pull/120
[#131]: https://github.com/rust-random/getrandom/pull/131
[#133]: https://github.com/rust-random/getrandom/pull/133
[#149]: https://github.com/rust-random/getrandom/pull/149
[#153]: https://github.com/rust-random/getrandom/pull/153
[#159]: https://github.com/rust-random/getrandom/pull/159
## [0.1.16] - 2020-12-31
### Changed
- Update `cfg-if` to v1.0. [#173]
- Implement `std::error::Error` for the `Error` type on additional targets. [#169]
### Fixed
- Multithreaded WASM support. [#171]
[#173]: https://github.com/rust-random/getrandom/pull/173
[#171]: https://github.com/rust-random/getrandom/pull/171
[#169]: https://github.com/rust-random/getrandom/pull/169
## [0.1.15] - 2020-09-10
### Changed
- Added support for Internet Explorer 11 [#139]
- Fix Webpack require warning with `wasm-bindgen` [#137]
[#137]: https://github.com/rust-random/getrandom/pull/137
[#139]: https://github.com/rust-random/getrandom/pull/139
## [0.1.14] - 2020-01-07
### Changed
- Remove use of spin-locks in the `use_file` module. [#125]
- Update `wasi` to v0.9. [#126]
- Do not read errno value on DragonFlyBSD to fix compilation failure. [#129]
[#125]: https://github.com/rust-random/getrandom/pull/125
[#126]: https://github.com/rust-random/getrandom/pull/126
[#129]: https://github.com/rust-random/getrandom/pull/129
## [0.1.13] - 2019-08-25
### Added
- VxWorks targets support. [#86]
### Changed
- If zero-length slice is passed to the `getrandom` function, always return
`Ok(())` immediately without doing any calls to the underlying operating
system. [#104]
- Use the `kern.arandom` sysctl on NetBSD. [#115]
### Fixed
- Bump `cfg-if` minimum version from 0.1.0 to 0.1.2. [#112]
- Typos and bad doc links. [#117]
[#86]: https://github.com/rust-random/getrandom/pull/86
[#104]: https://github.com/rust-random/getrandom/pull/104
[#112]: https://github.com/rust-random/getrandom/pull/112
[#115]: https://github.com/rust-random/getrandom/pull/115
[#117]: https://github.com/rust-random/getrandom/pull/117
## [0.1.12] - 2019-08-18
### Changed
- Update wasi dependency from v0.5 to v0.7. [#100]
[#100]: https://github.com/rust-random/getrandom/pull/100
## [0.1.11] - 2019-08-25
### Fixed
- Implement `std`-dependent traits for selected targets even if `std`
feature is disabled. (backward compatibility with v0.1.8) [#96]
[#96]: https://github.com/rust-random/getrandom/pull/96
## [0.1.10] - 2019-08-18 [YANKED]
### Changed
- Use the dummy implementation on `wasm32-unknown-unknown` even with the
disabled `dummy` feature. [#90]
### Fixed
- Fix CSP error for `wasm-bindgen`. [#92]
[#90]: https://github.com/rust-random/getrandom/pull/90
[#92]: https://github.com/rust-random/getrandom/pull/92
## [0.1.9] - 2019-08-14 [YANKED]
### Changed
- Remove `std` dependency for opening and reading files. [#58]
- Use `wasi` isntead of `libc` on WASI target. [#64]
- By default emit a compile-time error when built for an unsupported target.
This behaviour can be disabled by using the `dummy` feature. [#71]
### Added
- Add support for UWP targets. [#69]
- Add unstable `rustc-dep-of-std` feature. [#78]
[#58]: https://github.com/rust-random/getrandom/pull/58
[#64]: https://github.com/rust-random/getrandom/pull/64
[#69]: https://github.com/rust-random/getrandom/pull/69
[#71]: https://github.com/rust-random/getrandom/pull/71
[#78]: https://github.com/rust-random/getrandom/pull/78
## [0.1.8] - 2019-07-29
### Changed
- Explicitly specify types to arguments of 'libc::syscall'. [#74]
[#74]: https://github.com/rust-random/getrandom/pull/74
## [0.1.7] - 2019-07-29
### Added
- Support for hermit and l4re. [#61]
- `Error::raw_os_error` method, `Error::INTERNAL_START` and
`Error::CUSTOM_START` constants. Use `libc` for retrieving OS error descriptions. [#54]
### Changed
- Remove `lazy_static` dependency and use custom structures for lock-free
initialization. [#51] [#52]
- Try `getrandom()` first on FreeBSD. [#57]
### Removed
- Bitrig support. [#56]
### Deprecated
- `Error::UNKNOWN`, `Error::UNAVAILABLE`. [#54]
[#51]: https://github.com/rust-random/getrandom/pull/51
[#52]: https://github.com/rust-random/getrandom/pull/52
[#54]: https://github.com/rust-random/getrandom/pull/54
[#56]: https://github.com/rust-random/getrandom/pull/56
[#57]: https://github.com/rust-random/getrandom/pull/57
[#61]: https://github.com/rust-random/getrandom/pull/61
## [0.1.6] - 2019-06-30
### Changed
- Minor change of RDRAND AMD bug handling. [#48]
[#48]: https://github.com/rust-random/getrandom/pull/48
## [0.1.5] - 2019-06-29
### Fixed
- Use shared `File` instead of shared file descriptor. [#44]
- Workaround for RDRAND hardware bug present on some AMD CPUs. [#43]
### Changed
- Try `getentropy` and then fallback to `/dev/random` on macOS. [#38]
[#38]: https://github.com/rust-random/getrandom/issues/38
[#43]: https://github.com/rust-random/getrandom/pull/43
[#44]: https://github.com/rust-random/getrandom/issues/44
## [0.1.4] - 2019-06-28
### Added
- Add support for `x86_64-unknown-uefi` target by using RDRAND with CPUID
feature detection. [#30]
### Fixed
- Fix long buffer issues on Windows and Linux. [#31] [#32]
- Check `EPERM` in addition to `ENOSYS` on Linux. [#37]
### Changed
- Improve efficiency by sharing file descriptor across threads. [#13]
- Remove `cloudabi`, `winapi`, and `fuchsia-cprng` dependencies. [#40]
- Improve RDRAND implementation. [#24]
- Don't block during syscall detection on Linux. [#26]
- Increase consistency with libc implementation on FreeBSD. [#36]
- Apply `rustfmt`. [#39]
[#30]: https://github.com/rust-random/getrandom/pull/30
[#13]: https://github.com/rust-random/getrandom/issues/13
[#40]: https://github.com/rust-random/getrandom/pull/40
[#26]: https://github.com/rust-random/getrandom/pull/26
[#24]: https://github.com/rust-random/getrandom/pull/24
[#39]: https://github.com/rust-random/getrandom/pull/39
[#36]: https://github.com/rust-random/getrandom/pull/36
[#31]: https://github.com/rust-random/getrandom/issues/31
[#32]: https://github.com/rust-random/getrandom/issues/32
[#37]: https://github.com/rust-random/getrandom/issues/37
## [0.1.3] - 2019-05-15
- Update for `wasm32-unknown-wasi` being renamed to `wasm32-wasi`, and for
WASI being categorized as an OS.
## [0.1.2] - 2019-04-06
- Add support for `wasm32-unknown-wasi` target.
## [0.1.1] - 2019-04-05
- Enable std functionality for CloudABI by default.
## [0.1.0] - 2019-03-23
Publish initial implementation.
## [0.0.0] - 2019-01-19
Publish an empty template library.
[0.2.7]: https://github.com/rust-random/getrandom/compare/v0.2.6...v0.2.7
[0.2.6]: https://github.com/rust-random/getrandom/compare/v0.2.5...v0.2.6
[0.2.5]: https://github.com/rust-random/getrandom/compare/v0.2.4...v0.2.5
[0.2.4]: https://github.com/rust-random/getrandom/compare/v0.2.3...v0.2.4
[0.2.3]: https://github.com/rust-random/getrandom/compare/v0.2.2...v0.2.3
[0.2.2]: https://github.com/rust-random/getrandom/compare/v0.2.1...v0.2.2
[0.2.1]: https://github.com/rust-random/getrandom/compare/v0.2.0...v0.2.1
[0.2.0]: https://github.com/rust-random/getrandom/compare/v0.1.15...v0.2.0
[0.1.16]: https://github.com/rust-random/getrandom/compare/v0.1.15...v0.1.16
[0.1.15]: https://github.com/rust-random/getrandom/compare/v0.1.14...v0.1.15
[0.1.14]: https://github.com/rust-random/getrandom/compare/v0.1.13...v0.1.14
[0.1.13]: https://github.com/rust-random/getrandom/compare/v0.1.12...v0.1.13
[0.1.12]: https://github.com/rust-random/getrandom/compare/v0.1.11...v0.1.12
[0.1.11]: https://github.com/rust-random/getrandom/compare/v0.1.10...v0.1.11
[0.1.10]: https://github.com/rust-random/getrandom/compare/v0.1.9...v0.1.10
[0.1.9]: https://github.com/rust-random/getrandom/compare/v0.1.8...v0.1.9
[0.1.8]: https://github.com/rust-random/getrandom/compare/v0.1.7...v0.1.8
[0.1.7]: https://github.com/rust-random/getrandom/compare/v0.1.6...v0.1.7
[0.1.6]: https://github.com/rust-random/getrandom/compare/v0.1.5...v0.1.6
[0.1.5]: https://github.com/rust-random/getrandom/compare/v0.1.4...v0.1.5
[0.1.4]: https://github.com/rust-random/getrandom/compare/v0.1.3...v0.1.4
[0.1.3]: https://github.com/rust-random/getrandom/compare/v0.1.2...v0.1.3
[0.1.2]: https://github.com/rust-random/getrandom/compare/v0.1.1...v0.1.2
[0.1.1]: https://github.com/rust-random/getrandom/compare/v0.1.0...v0.1.1
[0.1.0]: https://github.com/rust-random/getrandom/compare/v0.0.0...v0.1.0
[0.0.0]: https://github.com/rust-random/getrandom/releases/tag/v0.0.0
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