# Changelog
## vNext
## v0.14.0
### Changed
* **Breaking** Add generated modules that output const &str for tracing compatibility
[#1334](https://github.com/open-telemetry/opentelemetry-rust/pull/1334)
## v0.13.0
### Changed
- Replaced Key constants with &'static str [#1320]
- 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)
## v0.12.0
### Changed
- Update to v1.21.0 spec
- Update to opentelemetry-api v0.20.0
## v0.11.0
### Changed
- Update to `opentelemetry` v0.19.
- Update to `opentelemetry_http` v0.8.
- Bump MSRV to 1.57 [#953](https://github.com/open-telemetry/opentelemetry-rust/pull/953).
- Update to v1.17.0 spec [#960](https://github.com/open-telemetry/opentelemetry-rust/pull/960).
- Update dependencies and bump MSRV to 1.60 [#969](https://github.com/open-telemetry/opentelemetry-rust/pull/969).
## v0.10.0
### Changed
- update to v1.9 spec #754
- Update to opentelemetry v0.18.0
## v0.9.0
### Changed
- Update to opentelemetry v0.17.0
## v0.8.0
### Changed
- Update to opentelemetry v0.16.0
## v0.7.0
### Changed
- Update to spec version 1.4.0 #570
- Update to opentelemetry v0.15.0
## v0.6.0
### Changed
- Update to spec version 1.3.0 #547
- Update to opentelemetry v0.14.0
## v0.5.0
### Changed
- Update to opentelemetry v0.13.0
### Removed
- Removed `from_env` and use environment variables to initialize the configurations by default #459
## v0.4.0
### Changed
- Update to opentelemetry v0.12.0
## v0.3.0
### Changed
- Update to opentelemetry v0.11.0
## v0.2.0
### Changed
- Update to opentelemetry v0.10.0
## v0.1.0
### Added
- Semantic conventions for [trace](https://github.com/open-telemetry/opentelemetry-specification/tree/master/specification/trace/semantic_conventions) and [resource](https://github.com/open-telemetry/opentelemetry-specification/tree/master/specification/resource/semantic_conventions).