# 0.14.0 (July 9, 2021)

### Breaking Changes

- Upgrade to `v0.15.0` of `opentelemetry` ([#1441])
  For list of breaking changes in OpenTelemetry, see the
  [v0.14.0 changelog](https://github.com/open-telemetry/opentelemetry-rust/blob/main/opentelemetry/CHANGELOG.md#v0140).

### Added

- Spans now include Opentelemetry `code.namespace`, `code.filepath`, and
  `code.lineno` attributes ([#1411])

### Changed

- Improve performance by pre-allocating attribute `Vec`s ([#1327])

Thanks to @Drevoed, @lilymara-onesignal, and @Folyd for contributing
to this release!

Closes #1462