[RELEASE] Release opentelemetry-cpp 1.26.0#3944
Merged
marcalff merged 10 commits intoopen-telemetry:mainfrom Mar 20, 2026
Merged
[RELEASE] Release opentelemetry-cpp 1.26.0#3944marcalff merged 10 commits intoopen-telemetry:mainfrom
marcalff merged 10 commits intoopen-telemetry:mainfrom
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #3944 +/- ##
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Coverage 90.09% 90.09%
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Files 227 227
Lines 7250 7250
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Hits 6531 6531
Misses 719 719 🚀 New features to boost your workflow:
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lalitb
approved these changes
Mar 19, 2026
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Pull request overview
Prepares the repository for the opentelemetry-cpp 1.26.0 release by removing the -dev suffix across build/version sources and recording the release in the changelog.
Changes:
- Bump version strings from
1.26.0-dev→1.26.0across CMake/Bazel headers and release tooling. - Update SDK version source constants to reflect a stable release (no pre-release tag).
- Restructure
CHANGELOG.mdto add a1.26release section dated2026-03-19.
Reviewed changes
Copilot reviewed 7 out of 7 changed files in this pull request and generated 2 comments.
Show a summary per file
| File | Description |
|---|---|
| tbump.toml | Updates tbump “current” version to the release value. |
| sdk/src/version/version.cc | Removes pre-release marker, updates full version, and sets a build date string. |
| sdk/include/opentelemetry/sdk/version/version.h | Updates SDK version macro to 1.26.0. |
| api/include/opentelemetry/version.h | Updates public API version macro to 1.26.0. |
| MODULE.bazel | Sets Bazel module version to 1.26.0. |
| CMakeLists.txt | Clears version suffix to produce 1.26.0 builds. |
| CHANGELOG.md | Adds the 1.26 release section and moves entries under it. |
sdk/src/version/version.cc
Outdated
| const char *full_version = "1.26.0-dev"; | ||
| const char *build_date = "MAIN BRANCH"; | ||
| const char *full_version = "1.26.0"; | ||
| const char *build_date = "Thu Mar 19 04:25:52 PM UTC 2026"; |
CHANGELOG.md
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| * [EXPORTER] Remove explicit timestamps from metric points exported by Prometheus | ||
| [#3895](https://github.com/open-telemetry/opentelemetry-cpp/pull/3895) | ||
| ## [1.26 2026-03-19] |
dbarker
reviewed
Mar 19, 2026
| * [CONFIGURATION] File configuration - handle invalid YAML | ||
| [#3858](https://github.com/open-telemetry/opentelemetry-cpp/pull/3858) | ||
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| * Bump docker/build-push-action from 6.18.0 to 6.19.1 |
Member
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Consider removing the github action notes. They seem more like an internal CI detail not that useful to users. They will show up in the commit diff for the release if anyone is interested.
dbarker
approved these changes
Mar 19, 2026
2 tasks
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Fixes #3921
Changes
Please provide a brief description of the changes here.
For significant contributions please make sure you have completed the following items:
CHANGELOG.mdupdated for non-trivial changes