# 0.6.0 - 2021-06-16

- Joint Consensus became a stable feature (#379, #380, #382, #383, #385, #386, #411)
- Ported aggresive flow control from etcd/raft (#354)
- Introduced group commit to force geo replication safety (#359)
- Harden read index (#355, #363)
- Support limiting uncommited logs (#398)
- Support asynchronous ready (#403, #410, #417, #433)
- Fast log append rejection (#367)
- bytes::Bytes is used for protos if feature protobuf-codec is enabled (by default) (#438)
- Switched to thiserror (#435)
- Implemented committed entries pagination (#440)

# 0.6.0-alpha - 2019-07-24

- Protos now is a separate crate (https://github.com/pingcap/raft-rs/pull/247)
- raft-rs is rust-2018 compatible (https://github.com/pingcap/raft-rs/pull/184)
- Optional support for batch MsgAppend (https://github.com/pingcap/raft-rs/pull/179)
- Harden follower read (https://github.com/pingcap/raft-rs/pull/220)
- Migrate to slog (https://github.com/pingcap/raft-rs/pull/185)
- Several code refactor and API clean up
- Optional support for prost

# 0.5.0 - 2019-02-11

- Introduced an experimental Joint Consensus based arbitrary membership change feature. (https://github.com/pingcap/raft-rs/pull/101)
- Harmonized `protobuf` dependency to match important downstreams. (https://github.com/pingcap/raft-rs/pull/181)
- Unified the `Progress` collections inside `ProgressSet`. (https://github.com/pingcap/raft-rs/pull/108)
- `Raft::new()` now returns a `Result`. (https://github.com/pingcap/raft-rs/pull/122)
- Removed the `Progress.is_learner` field. Check via function in `ProgressSet` instead. (https://github.com/pingcap/raft-rs/pull/119)
- Added Appvevor. Added then removed bors. (https://github.com/pingcap/raft-rs/pull/137, https://github.com/pingcap/raft-rs/pull/134)
- Introduced getters and setters for various `Ready` fields. (https://github.com/pingcap/raft-rs/pull/120)
- Reduced memory allocation on reset. (https://github.com/pingcap/raft-rs/pull/130)
- Added issue templates, more links. (https://github.com/pingcap/raft-rs/pull/133, https://github.com/pingcap/raft-rs/pull/126)
- Moved poll and quorum checking functionality into `ProgressSet`. (https://github.com/pingcap/raft-rs/pull/121)
- The leader is now trivially in the replicate state. (https://github.com/pingcap/raft-rs/pull/146)
- Fixed a problem with lease based read-only requests interacting with `check_quorum` wrong. (https://github.com/pingcap/raft-rs/pull/141)
- Corrected the `single_mem_node` example. (https://github.com/pingcap/raft-rs/pull/162)
- Fixed typos. (https://github.com/pingcap/raft-rs/pull/159)
- Adopted [Hashbrown](https://github.com/Amanieu/hashbrown) over `FxHash`. (https://github.com/pingcap/raft-rs/pull/160)
- Corrected learner checking in `handle_transfer_leader`. (https://github.com/pingcap/raft-rs/pull/165)
- Resolved some lints (https://github.com/pingcap/raft-rs/pull/174, https://github.com/pingcap/raft-rs/pull/168, https://github.com/pingcap/raft-rs/pull/142, https://github.com/pingcap/raft-rs/pull/124)
- Fixed uses of `#[feature(_)]` so that we can build on stable cleanly. (https://github.com/pingcap/raft-rs/pull/180)

# 0.4.0 - 2018-09-18

- No longer scan the raft log when becoming a leader. (https://github.com/pingcap/raft-rs/pull/100)
- Added the ability to skip broadcast commit at runtime. (https://github.com/pingcap/raft-rs/pull/115)
- Documented all public API. (https://github.com/pingcap/raft-rs/pull/87)
- Refined a few points in the API in preparation for more work. (https://github.com/pingcap/raft-rs/pull/102)
- Configuration logic was moved into its own module. (https://github.com/pingcap/raft-rs/pull/91)
- Added [`fail-rs`](https://github.com/pingcap/fail-rs) based tests. (https://github.com/pingcap/raft-rs/pull/114)
- Added benchmarking using [`criterion`](). (https://github.com/pingcap/raft-rs/pull/110)
- Expanded tested examples. (https://github.com/pingcap/raft-rs/pull/118)
- Improved documentation. (https://github.com/pingcap/raft-rs/pull/106)
- Refined the CI scripts to ensure strict linting. (https://github.com/pingcap/raft-rs/pull/117)
- Tests now output logs. Configure it with `RUST_LOG=raft=info`. (https://github.com/pingcap/raft-rs/pull/103)
- Eased the `log` dependency. (https://github.com/pingcap/raft-rs/pull/116)
- Formatting updates. (https://github.com/pingcap/raft-rs/pull/104)
- Updated some dependencies. (https://github.com/pingcap/raft-rs/pull/97)
- Use the clippy preview from Rustup. (https://github.com/pingcap/raft-rs/pull/95)
- Adopted a Code of Conduct. (https://github.com/pingcap/raft-rs/pull/107)

# 0.3.1 - 2018-07-10

- Bugfix: Reset leader_id when becoming precandidate to resolve `prevote` and `check_quorum` compatability (https://github.com/pingcap/raft-rs/pull/84)
- Bugfix: Becoming a precandidate should reset votes (https://github.com/pingcap/raft-rs/pull/83)
- Fixed some typos, improve variable naming, and other small documentation fixes (https://github.com/pingcap/raft-rs/pull/77, https://github.com/pingcap/raft-rs/pull/79, https://github.com/pingcap/raft-rs/pull/78, https://github.com/pingcap/raft-rs/pull/80)
- Implemented `Default` for `Config` and fleshed out an example (https://github.com/pingcap/raft-rs/pull/81)
- Improved our changelog format (https://github.com/pingcap/raft-rs/pull/85)
- Removed custom Rustfmt configuration (https://github.com/pingcap/raft-rs/pull/86)

# 0.3.0 - 2018-06-07

- Supported configuring the election timeout range (https://github.com/pingcap/raft-rs/pull/63).
- Kept compatible with rust-protobuf 2.0 (https://github.com/pingcap/raft-rs/pull/64, https://github.com/pingcap/raft-rs/pull/75)
- Made Raft now `Send` (https://github.com/pingcap/raft-rs/pull/67)
- Added documentation examples (https://github.com/pingcap/raft-rs/pull/69)
- Fixed a deadlock in the prevote migration process (https://github.com/pingcap/raft-rs/pull/42)

# 0.2.0 - 2018-05-14

- Deprecated sync-log and add context (https://github.com/pingcap/raft-rs/pull/59)
- Fixed learner isolation bug (https://github.com/pingcap/raft-rs/pull/58)
- Ported several tests (https://github.com/pingcap/raft-rs/pull/54, https://github.com/pingcap/raft-rs/pull/41)
- Added examples (https://github.com/pingcap/raft-rs/pull/44)
- Added fxhash (https://github.com/pingcap/raft-rs/pull/48)

# 0.1.0 - 2018-02-26

- initial release