# Changelog
## vNext
## 0.27.0
Released 2024-Nov-11
- Update `opentelemetry` dependency version to 0.27
- Update `opentelemetry_sdk` dependency version to 0.27
## v0.26.1
- Require tonic 0.12.3 to match generated gRPC code [#2168](https://github.com/open-telemetry/opentelemetry-rust/pull/2168)
## v0.26.0
Released 2024-Sep-30
- Update `opentelemetry` dependency version to 0.26
- Update `opentelemetry_sdk` dependency version to 0.26
- Fix JSON serialization of `metrics::Exemplar` and `trace::span::Link` [#2069](https://github.com/open-telemetry/opentelemetry-rust/pull/2069)
- Bump MSRV to 1.71.1 [2140](https://github.com/open-telemetry/opentelemetry-rust/pull/2140)
## v0.25.0
- Update `opentelemetry` dependency version to 0.25
- Update `opentelemetry_sdk` dependency version to 0.25
- Starting with this version, this crate will align with `opentelemetry` crate
on major,minor versions.
- Update protobuf definitions to v1.3.2 [#1945](https://github.com/open-telemetry/opentelemetry-rust/pull/1945)
## v0.7.0
- Bump MSRV to 1.70 [1864](https://github.com/open-telemetry/opentelemetry-rust/pull/1874)
- Group log and Span batch by their resource and instrumentation scope before exporting [#1873](https://github.com/open-telemetry/opentelemetry-rust/pull/1873).
- Introduced `group_logs_by_resource_and_scope()` and `group_spans_by_resource_and_scope()` methods to group logs and spans by the resource and scope respectively.
- Update `opentelemetry` dependency version to 0.24
- Update `opentelemetry_sdk` dependency version to 0.24
## v0.6.0
- Update protobuf definitions to v1.3.1 [#1721](https://github.com/open-telemetry/opentelemetry-rust/pull/1721)
- Fix the feature flag condition of `opentelemetry-proto/src/transform/logs.rs` [#1746](https://github.com/open-telemetry/opentelemetry-rust/pull/1746)
- Update `opentelemetry` dependency version to 0.23
- Update `opentelemetry_sdk` dependency version to 0.23
## v0.5.0
### Changed
- Update to tonic 0.11 and prost 0.12 [#1536](https://github.com/open-telemetry/opentelemetry-rust/pull/1536)
- **Breaking** Remove support for grpcio transport [#1534](https://github.com/open-telemetry/opentelemetry-rust/pull/1534)
### Added
- Add `schemars::JsonSchema` trait support with `with-schemars` feature [#1419](https://github.com/open-telemetry/opentelemetry-rust/pull/1419)
- Update protobuf definitions to v1.1.0 [#1482](https://github.com/open-telemetry/opentelemetry-rust/pull/1482)
## v0.4.0
### Added
- Implement tonic metrics proto transformations [#1184](https://github.com/open-telemetry/opentelemetry-rust/pull/1184)
- Move proto for zPage to tonic [#1214](https://github.com/open-telemetry/opentelemetry-rust/pull/1214)
- Support exponential histograms [#1267](https://github.com/open-telemetry/opentelemetry-rust/pull/1267)
### Changed
- Bump MSRV to 1.65 [#1318](https://github.com/open-telemetry/opentelemetry-rust/pull/1318)
- Bump MSRV to 1.64 [#1203](https://github.com/open-telemetry/opentelemetry-rust/pull/1203)
### Fixed
- Rename `traces` feature to the more standard `trace` [#1183](https://github.com/open-telemetry/opentelemetry-rust/pull/1183)
### Changed
- Switch to `prost` for `grpcio` protos. [#1202](https://github.com/open-telemetry/opentelemetry-rust/pull/1202)
The `gen-protoc` feature is accordingly renamed to `gen-grpcio`.
## v0.3.0
### Updated
- Update protobuf definitions to v1.0.0 #1154
- Update to opentelemetry-api v0.20.0
## v0.2.0
### Changed
- Update to opentelemetry v0.19.0.
- Remove build script and generate files using unit tests [#881](https://github.com/open-telemetry/opentelemetry-rust/pull/881).
- Bump MSRV to 1.57 [#953](https://github.com/open-telemetry/opentelemetry-rust/pull/953).
- Update dependencies and bump MSRV to 1.60 [#969](https://github.com/open-telemetry/opentelemetry-rust/pull/969).
- Bump to use the v0.19.0 protobuf definitions. [#989](https://github.com/open-telemetry/opentelemetry-rust/pull/989).
## v0.1.0
Initial crate release.