0.24.0

Breaking Changes

• Upgrade to opentelemetry 0.23. Refer to the upstream
  changelog
  for more information.

Added

• Added gauge metrics (#129)

Fixed

• Fixed compilation on WASI targets (#147)
• Set span end time when it exists (#124)

0.23.0

Breaking Changes

• Upgrade to opentelemetry 0.22. Refer to the upstream
  changelog
  for more information. In particular, i64 histograms will silently downgrade to
  key/value exports.

0.22.0

Breaking Changes

• Upgrade to v0.21.0 of opentelemetry
  For list of breaking changes in OpenTelemetry, see the
  v0.21.0 changelog.
• Update MSRV to require Rust 1.65+, as opentelemetry requires it now. (#68)

Fixed

• WASM Support (#57)
• Fix potential deadlock (#59)

Thanks to @jesseditson, @AsmPrgmC3, and @rthomas for contributing to this release!

0.21.0

Added

• Ability to produce measurement with attributes (#43)

Breaking Changes

• MetricsLayer is now generic over the its Subscriber impl to support
  per-layer filtering (#43)

Fixed

• Trace IDs not matching when propagating invalid contexts (#55)

Thanks to @ymgyt and @hdost for contributing to this release!

0.20.0

Added

• Add OpenTelemetrySpanExt::set_attribute function (#34)

Breaking Changes

• Upgrade to v0.20.0 of opentelemetry (#36)
  For list of breaking changes in OpenTelemetry, see the
  v0.20.0 changelog.

Thanks to @ymgyt, @mladedav, @shaun-cox, and @Protryon for contributing to this release!

0.19.0

Breaking Changes

• Upgrade to v0.19.0 of opentelemetry (#12)
  For list of breaking changes in OpenTelemetry, see the
  v0.19.0 changelog.
• Update MSRV to require Rust 1.60+, as opentelemetry requires it now (#12)

Thanks to @jaysonsantos, @briankung, and @humb1t for contributing to this release!