# 0.36.0 [2022-02-22]
- Update to `libp2p-core` `v0.32.0`.
- Update to `libp2p-swarm` `v0.34.0`.
- Move from `open-metrics-client` to `prometheus-client` (see [PR 2442]).
- Emit gossip of all non empty topics (see [PR 2481]).
- Merge NetworkBehaviour's inject_\* paired methods (see [PR 2445]).
- Revert to wasm-timer (see [PR 2506]).
- Do not overwrite msg's peers if put again into mcache (see [PR 2493]).
[PR 2442]: https://github.com/libp2p/rust-libp2p/pull/2442
[PR 2481]: https://github.com/libp2p/rust-libp2p/pull/2481
[PR 2445]: https://github.com/libp2p/rust-libp2p/pull/2445
[PR 2506]: https://github.com/libp2p/rust-libp2p/pull/2506
[PR 2493]: https://github.com/libp2p/rust-libp2p/pull/2493
# 0.35.0 [2022-01-27]
- Update dependencies.
- Migrate to Rust edition 2021 (see [PR 2339]).
- Add metrics for network and configuration performance analysis (see [PR 2346]).
- Improve bandwidth performance by tracking IWANTs and reducing duplicate sends
(see [PR 2327]).
- Implement `Serialize` and `Deserialize` for `MessageId` and `FastMessageId` (see [PR 2408])
- Fix `GossipsubConfigBuilder::build()` requiring `&self` to live for `'static` (see [PR 2409])
- Implement Unsubscribe backoff as per [libp2p specs PR 383] (see [PR 2403]).
[PR 2346]: https://github.com/libp2p/rust-libp2p/pull/2346
[PR 2339]: https://github.com/libp2p/rust-libp2p/pull/2339
[PR 2327]: https://github.com/libp2p/rust-libp2p/pull/2327
[PR 2408]: https://github.com/libp2p/rust-libp2p/pull/2408
[PR 2409]: https://github.com/libp2p/rust-libp2p/pull/2409
[PR 2403]: https://github.com/libp2p/rust-libp2p/pull/2403
[libp2p specs PR 383]: https://github.com/libp2p/specs/pull/383
# 0.34.0 [2021-11-16]
- Add topic and mesh metrics (see [PR 2316]).
- Fix bug in internal peer's topics tracking (see [PR 2325]).
- Use `instant` and `futures-timer` instead of `wasm-timer` (see [PR 2245]).
- Update dependencies.
[PR 2245]: https://github.com/libp2p/rust-libp2p/pull/2245
[PR 2325]: https://github.com/libp2p/rust-libp2p/pull/2325
[PR 2316]: https://github.com/libp2p/rust-libp2p/pull/2316
# 0.33.0 [2021-11-01]
- Add an event to register peers that do not support the gossipsub protocol
[PR 2241](https://github.com/libp2p/rust-libp2p/pull/2241)
- Make default features of `libp2p-core` optional.
[PR 2181](https://github.com/libp2p/rust-libp2p/pull/2181)
- Improve internal peer tracking.
[PR 2175](https://github.com/libp2p/rust-libp2p/pull/2175)
- Update dependencies.
- Allow `message_id_fn`s to accept closures that capture variables.
[PR 2103](https://github.com/libp2p/rust-libp2p/pull/2103)
- Implement std::error::Error for error types.
[PR 2254](https://github.com/libp2p/rust-libp2p/pull/2254)
# 0.32.0 [2021-07-12]
- Update dependencies.
- Reduce log levels across the crate to lessen noisiness of libp2p-gossipsub (see [PR 2101]).
[PR 2101]: https://github.com/libp2p/rust-libp2p/pull/2101
# 0.31.0 [2021-05-17]
- Keep connections to peers in a mesh alive. Allow closing idle connections to peers not in a mesh
[PR-2043].
[PR-2043]: https://github.com/libp2p/rust-libp2p/pull/2043https://github.com/libp2p/rust-libp2p/pull/2043
# 0.30.1 [2021-04-27]
- Remove `regex-filter` feature flag thus always enabling `regex::RegexSubscriptionFilter` [PR
2056](https://github.com/libp2p/rust-libp2p/pull/2056).
# 0.30.0 [2021-04-13]
- Update `libp2p-swarm`.
- Update dependencies.
# 0.29.0 [2021-03-17]
- Update `libp2p-swarm`.
- Update dependencies.
# 0.28.0 [2021-02-15]
- Prevent non-published messages being added to caches.
[PR 1930](https://github.com/libp2p/rust-libp2p/pull/1930)
- Update dependencies.
# 0.27.0 [2021-01-12]
- Update dependencies.
- Implement Gossipsub v1.1 specification.
[PR 1720](https://github.com/libp2p/rust-libp2p/pull/1720)
# 0.26.0 [2020-12-17]
- Update `libp2p-swarm` and `libp2p-core`.
# 0.25.0 [2020-11-25]
- Update `libp2p-swarm` and `libp2p-core`.
# 0.24.0 [2020-11-09]
- Update dependencies.
# 0.23.0 [2020-10-16]
- Update dependencies.
# 0.22.0 [2020-09-09]
- Update `libp2p-swarm` and `libp2p-core`.
# 0.21.0 [2020-08-18]
- Add public API to list topics and peers. [PR 1677](https://github.com/libp2p/rust-libp2p/pull/1677).
- Add message signing and extended privacy/validation configurations. [PR 1583](https://github.com/libp2p/rust-libp2p/pull/1583).
- `Debug` instance for `Gossipsub`. [PR 1673](https://github.com/libp2p/rust-libp2p/pull/1673).
- Bump `libp2p-core` and `libp2p-swarm` dependency.
# 0.20.0 [2020-07-01]
- Updated dependencies.
# 0.19.3 [2020-06-23]
- Maintenance release fixing linter warnings.
# 0.19.2 [2020-06-22]
- Updated dependencies.