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open-telemetry/opentelemetry-specificationv1.x
TL;DR
The OpenTelemetry specification now includes a Profiles data model, enabling the collection and analysis of performance profiles (application performance data).
New
- Profiles Data Model: A new data model for collecting and exporting performance profiles is now available.
- Policies: The specification introduces Policies, offering a standardized way to manage telemetry behavior.
Fixes Worth Knowing
- Added an example mapping for ETW (Event Tracing for Windows) to the logs data model, improving Windows logging integration.
v1.59.0Release 1.59.0
Jul 10, 2026v1.58.0Release 1.58.0
Jun 22, 2026v1.57.0Release 1.57.0
May 20, 2026v1.56.0Release 1.56.0
Apr 20, 2026v1.55.0Release 1.55.0
Mar 5, 2026v1.54.0Release 1.54.0
Feb 13, 2026v1.53.0v1.53.0
Jan 9, 2026v1.52.0Release 1.52.0
Dec 12, 2025v1.51.0Release 1.51.0
Nov 17, 2025v1.50.0Release 1.50.0
Oct 17, 2025v1.49.0Release 1.49.0
Sep 16, 2025v1.48.0Release 1.48.0
Aug 13, 2025v1.47.0Release 1.47.0
Jul 18, 2025v1.46.0Release 1.46.0
Jun 12, 2025v1.45.0Release 1.45.0
May 14, 2025v1.44.0Release 1.44.0
Apr 15, 2025v1.43.0Release 1.43.0
Mar 18, 2025v1.42.0Release 1.42.0
Feb 18, 2025v1.41.0Release 1.41.0
Jan 22, 2025v1.40.0Release 1.40.0
Dec 13, 2024v1.39.0Release 1.39.0
Nov 7, 2024v1.38.0Release 1.38.0
Oct 10, 2024v1.37.0Release 1.37.0
Sep 13, 2024v1.36.0Release 1.36.0
Aug 12, 2024v1.35.0Release 1.35.0
Jul 12, 2024v1.34.0Release 1.34.0
Jun 11, 2024v1.33.0Release 1.33.0
May 9, 2024v1.32.0Release 1.32.0
Apr 11, 2024v1.31.0Release 1.31.0
Mar 13, 2024v1.30.0Release 1.30.0
Feb 15, 2024v1.29.0Release 1.29.0
Jan 11, 2024v1.28.0Release 1.28.0
Dec 7, 2023v1.27.0Release 1.27.0
Nov 8, 2023v1.26.0Release 1.26.0
Oct 10, 2023v1.25.0Release v1.25.0
Sep 13, 2023v1.24.0Release v1.24.0
Aug 10, 2023v1.23.0Release v1.23.0
Jul 12, 2023v1.22.0Release v1.22.0
Jun 9, 2023v1.21.0Release v1.21.0
May 16, 2023v1.20.0Release v1.20.0
Apr 7, 2023v1.19.0Release v1.19.0
Mar 6, 2023v1.18.0Release v1.18.0
Feb 9, 2023v1.17.0Release v1.17.0
Jan 17, 2023v1.16.0Release v1.16.0
Dec 8, 2022v1.15.0Release v1.15.0
Nov 9, 2022v1.14.0Release v1.14.0
Oct 4, 2022v1.13.0Release v1.13.0
Sep 19, 2022v1.12.0Release v1.12.0
Jun 10, 2022v1.11.0Release v1.11.0
May 4, 2022v1.10.0Release v1.10.0
Apr 1, 2022v1.9.0Release v1.9.0
Feb 14, 2022v1.8.0Release v1.8.0
Nov 12, 2021v1.7.0Release v1.7.0
Sep 30, 2021v1.6.1Release v1.6.1
Aug 25, 2021v1.6.0Release v1.6.0
Aug 7, 2021v1.5.0Release v1.5.0
Jul 8, 2021v1.4.0Release v1.4.0
Jun 7, 2021v1.3.0Release v1.3.0
May 5, 2021v1.2.0Release v1.2.0
Apr 14, 2021v1.1.0Release v1.1.0
Mar 11, 2021v1.0.1Release v1.0.1
Feb 11, 2021v1.0.0Release v1.0.0
Feb 10, 2021open-telemetry/opentelemetry-specificationv0.x
TL;DR
The OpenTelemetry specification has been significantly updated, freezing the Trace API and introducing extensive semantic conventions and API refinements across tracing, metrics, and baggage management to improve data richness and interoperability.
Breaking
- Span Context Parent: Only a full
Contextcan now be used to specify a parentSpan;SpanContextis no longer accepted. - Lazy Span APIs Removed: Implementations should remove any existing lazy Event and Link APIs to avoid future conflicts.
- HTTP Status Text: The
http.status_textattribute has been removed from semantic conventions. - Null Values:
nullis now explicitly invalid for attributes, leading to undefined behavior if attempted. - Sampler Decisions: Sampler
Decisionvalues have been renamed toDROP,RECORD_ONLY, andRECORD_AND_SAMPLE. - Metric Aggregation: "Additive" and "Non-Additive" terms in the Metrics API are now "Adding" and "Grouping" respectively.
- Baggage Header: The custom header name for baggage has been removed; use the official header instead.
New
- Exception Events: Added API and
v0.7.0Release v0.7.0
Nov 18, 2020v0.6.0Release v0.6.0
Jul 1, 2020v0.5.0Release v0.5.0
Jun 4, 2020v0.4.0Release v0.4.0
May 12, 2020Feb 21, 2020
Oct 17, 2019
Jun 21, 2019