OpenTelemetry Specification

The OpenTelemetry specification describes the cross-language
requirements and expectations for all OpenTelemetry implementations.

• The latest release is hosted at
  opentelemetry.io/docs/reference/specification
• Markdown sources are under specification

Change / contribution process

For details, see CONTRIBUTING.md, in particular read
Proposing a change before submitting a PR.

Questions

Questions that need additional attention can be brought to the regular
specifications meeting. EU and US timezone friendly meeting is held every
Tuesday at 8 AM pacific time. Meeting notes are held in the google
doc.
APAC timezone friendly meeting is held Tuesdays, 4PM pacific time. See
OpenTelemetry calendar.

Escalations to technical committee may be made over the
e-mail.
Technical committee holds regular meetings, notes are held
here.

Specification compliance matrix by language

See, Compliance of Implementations with
Specification.

Project Timeline

The current project status as well as information on notable past releases is found at
the OpenTelemetry project page.

Information about current work and future development plans is found at the
specification development milestones.

Versioning the Specification

Changes to the specification are versioned according to Semantic Versioning 2.0 and described in CHANGELOG.md. Layout changes are not versioned. Specific implementations of the specification should specify which version they implement.

Changes to the change process itself are not currently versioned but may be independently versioned in the future.

License

By contributing to OpenTelemetry Specification repository, you agree that your contributions will be licensed under its Apache 2.0 License.