## 0.25.3
- Keep peer addresses in `HashSet` instead of `SmallVec` to prevent adding duplicate addresses.
See [PR 4724](https://github.com/libp2p/rust-libp2p/pull/4724).
## 0.25.2
- Deprecate `request_response::Config::set_connection_keep_alive` in favor of `SwarmBuilder::idle_connection_timeout`.
See [PR 4029](https://github.com/libp2p/rust-libp2p/pull/4029).
## 0.25.1
- Replace unmaintained `serde_cbor` dependency with `cbor4ii`.
See [PR 4187].
[PR 4187]: https://github.com/libp2p/rust-libp2p/pull/4187
## 0.25.0
- Add `request_response::json::Behaviour` and `request_response::cbor::Behaviour` building on top of the `serde` traits.
To conveniently construct these, we remove the `Codec` parameter from `Behaviour::new` and add `Behaviour::with_codec`.
See [PR 3952].
- Raise MSRV to 1.65.
See [PR 3715].
- Remove deprecated `RequestResponse` prefixed items. See [PR 3702].
- Remove `InboundFailure::UnsupportedProtocols` and `InboundFailure::InboundTimeout`.
These variants are no longer constructed.
See [PR 3605].
- Don't close connections if individual streams fail.
Log the error instead.
See [PR 3913].
[PR 3952]: https://github.com/libp2p/rust-libp2p/pull/3952
[PR 3605]: https://github.com/libp2p/rust-libp2p/pull/3605
[PR 3715]: https://github.com/libp2p/rust-libp2p/pull/3715
[PR 3702]: https://github.com/libp2p/rust-libp2p/pull/3702
[PR 3913]: https://github.com/libp2p/rust-libp2p/pull/3913
## 0.24.1
- Deprecate `handler`, `codec` modules to make them private. See [PR 3847].
[PR 3847]: https://github.com/libp2p/rust-libp2p/pull/3847
## 0.24.0
- Update to `libp2p-core` `v0.39.0`.
- Rename types as per [discussion 2174].
`RequestResponse` has been renamed to `Behaviour`.
The `RequestResponse` prefix has been removed from various types like `RequestResponseEvent`.
Users should prefer importing the request_response protocol as a module (`use libp2p::request_response;`),
and refer to its types via `request_response::`. For example: `request_response::Behaviour` or `request_response::Event`.
See [PR 3159].
- Update to `libp2p-swarm` `v0.42.0`.
[discussion 2174]: https://github.com/libp2p/rust-libp2p/discussions/2174
[PR 3159]: https://github.com/libp2p/rust-libp2p/pull/3159
## 0.23.0
- Update to `libp2p-core` `v0.38.0`.
- Update to `libp2p-swarm` `v0.41.0`.
- Replace `RequestResponse`'s `NetworkBehaviour` implemention `inject_*` methods with the new `on_*` methods.
See [PR 3011].
- Replace `RequestResponseHandler`'s `ConnectionHandler` implemention `inject_*` methods
with the new `on_*` methods. See [PR 3085].
- Update `rust-version` to reflect the actual MSRV: 1.62.0. See [PR 3090].
[PR 3085]: https://github.com/libp2p/rust-libp2p/pull/3085
[PR 3011]: https://github.com/libp2p/rust-libp2p/pull/3011
[PR 3090]: https://github.com/libp2p/rust-libp2p/pull/3090
## 0.22.0
- Bump rand to 0.8 and quickcheck to 1. See [PR 2857].
- Update to `libp2p-core` `v0.37.0`.
- Update to `libp2p-swarm` `v0.40.0`.
[PR 2857]: https://github.com/libp2p/rust-libp2p/pull/2857
## 0.21.0
- Update to `libp2p-swarm` `v0.39.0`.
- Update to `libp2p-core` `v0.36.0`.
## 0.20.0
- Update to `libp2p-swarm` `v0.38.0`.
- Update to `libp2p-core` `v0.35.0`.
## 0.19.0
- Update to `libp2p-core` `v0.34.0`.
- Update to `libp2p-swarm` `v0.37.0`.
## 0.18.0
- Update to `libp2p-core` `v0.33.0`.
- Update to `libp2p-swarm` `v0.36.0`.
## 0.17.0
- Update to `libp2p-swarm` `v0.35.0`.
## 0.16.0 [2022-02-22]
- Update to `libp2p-core` `v0.32.0`.
- Update to `libp2p-swarm` `v0.34.0`.
- Merge NetworkBehaviour's inject_\* paired methods (see PR 2445).
[PR 2445]: https://github.com/libp2p/rust-libp2p/pull/2445
## 0.15.0 [2022-01-27]
- Update dependencies.
- Remove unused `lru` crate (see [PR 2358]).
- Migrate to Rust edition 2021 (see [PR 2339]).
[PR 2339]: https://github.com/libp2p/rust-libp2p/pull/2339
[PR 2358]: https://github.com/libp2p/rust-libp2p/pull/2358
## 0.14.0 [2021-11-16]
- Use `instant` instead of `wasm-timer` (see [PR 2245]).
- Update dependencies.
[PR 2245]: https://github.com/libp2p/rust-libp2p/pull/2245
## 0.13.0 [2021-11-01]
- Make default features of `libp2p-core` optional.
[PR 2181](https://github.com/libp2p/rust-libp2p/pull/2181)
- Update dependencies.
- Manually implement `Debug` for `RequestResponseHandlerEvent` and
`RequestProtocol`. See [PR 2183].
- Remove `RequestResponse::throttled` and the `throttled` module.
See [PR 2236].
[PR 2183]: https://github.com/libp2p/rust-libp2p/pull/2183
[PR 2236]: https://github.com/libp2p/rust-libp2p/pull/2236
## 0.12.0 [2021-07-12]
- Update dependencies.
## 0.11.0 [2021-04-13]
- Update `libp2p-swarm`.
- Implement `std::error::Error` for `InboundFailure` and `OutboundFailure` [PR
2033](https://github.com/libp2p/rust-libp2p/pull/2033).
## 0.10.0 [2021-03-17]
- Update `libp2p-swarm`.
- Close stream even when no response has been sent.
[PR 1987](https://github.com/libp2p/rust-libp2p/pull/1987).
- Update dependencies.
## 0.9.1 [2021-02-15]
- Make `is_pending_outbound` return true on pending connection.
[PR 1928](https://github.com/libp2p/rust-libp2p/pull/1928).
- Update dependencies.
## 0.9.0 [2021-01-12]
- Update dependencies.
- Re-export `throttled`-specific response channel. [PR
1902](https://github.com/libp2p/rust-libp2p/pull/1902).
## 0.8.0 [2020-12-17]
- Update `libp2p-swarm` and `libp2p-core`.
- Emit `InboundFailure::ConnectionClosed` for inbound requests that failed due
to the underlying connection closing.
[PR 1886](https://github.com/libp2p/rust-libp2p/pull/1886).
- Derive Clone for `InboundFailure` and `Outbound}Failure`.
[PR 1891](https://github.com/libp2p/rust-libp2p/pull/1891)
## 0.7.0 [2020-12-08]
- Refine emitted events for inbound requests, introducing
the `ResponseSent` event and the `ResponseOmission`
inbound failures. This effectively removes previous
support for one-way protocols without responses.
[PR 1867](https://github.com/libp2p/rust-libp2p/pull/1867).
## 0.6.0 [2020-11-25]
- Update `libp2p-swarm` and `libp2p-core`.
## 0.5.0 [2020-11-09]
- Update dependencies.
## 0.4.0 [2020-10-16]
- Update dependencies.
## 0.3.0 [2020-09-09]
- Add support for opt-in request-based flow-control to any
request-response protocol via `RequestResponse::throttled()`.
[PR 1726](https://github.com/libp2p/rust-libp2p/pull/1726).
- Update `libp2p-swarm` and `libp2p-core`.
## 0.2.0 [2020-08-18]
- Fixed connection keep-alive, permitting connections to close due
to inactivity.
- Bump `libp2p-core` and `libp2p-swarm` dependencies.
## 0.1.1
- Always properly `close()` the substream after sending requests and
responses in the `InboundUpgrade` and `OutboundUpgrade`. Otherwise this is
left to `RequestResponseCodec::write_request` and `RequestResponseCodec::write_response`,
which can be a pitfall and lead to subtle problems (see e.g.
https://github.com/libp2p/rust-libp2p/pull/1606).
## 0.1.0
- Initial release.