Set Prometheus<->OTLP specification to Mixed stability#4860
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dashpole merged 1 commit intoopen-telemetry:mainfrom Feb 2, 2026
Merged
Set Prometheus<->OTLP specification to Mixed stability#4860dashpole merged 1 commit intoopen-telemetry:mainfrom
dashpole merged 1 commit intoopen-telemetry:mainfrom
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Signed-off-by: Arthur Silva Sens <arthursens2005@gmail.com>
dashpole
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Jan 30, 2026
lmolkova
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Jan 31, 2026
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Depends on #4860 being merged first. ## Changes In this PR, I'm declaring the transformation of Prometheus Counters into OTLP Monotonic Sums stable. I'm still not declaring Gauges stable, as requested in #4744, because I suspect we want to discuss when a Prometheus Gauge becomes an OTLP Gauge or an OTLP UpDownCounter. * [X] Related issues #4744 * [ ] Related [OTEP(s)](https://github.com/open-telemetry/oteps) # * [ ] Links to the prototypes (when adding or changing features) * [ ] [`CHANGELOG.md`](https://github.com/open-telemetry/opentelemetry-specification/blob/main/CHANGELOG.md) file updated for non-trivial changes * For trivial changes, include `[chore]` in the PR title to skip the changelog check * [ ] [Spec compliance matrix](https://github.com/open-telemetry/opentelemetry-specification/blob/main/spec-compliance-matrix/template.yaml) updated if necessary Signed-off-by: Arthur Silva Sens <arthursens2005@gmail.com>
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Fixes #4927 ## Changes Sets the Prometheus SDK Metrics Exporter spec to `Mixed` status at document level, and splits it into subsections, each marked `Development`. That lets us move toward stabilization incrementally in follow-up issues per subsection, similar to #4860. cc: @ArthurSens * [x] Related issues #4927 * [ ] Related [OTEP(s)](https://github.com/open-telemetry/oteps) # * [ ] Links to the prototypes (when adding or changing features) * [ ] [`CHANGELOG.md`](https://github.com/open-telemetry/opentelemetry-specification/blob/main/CHANGELOG.md) file updated for non-trivial changes * For trivial changes, include `[chore]` in the PR title to skip the changelog check * [ ] [Spec compliance matrix](https://github.com/open-telemetry/opentelemetry-specification/blob/main/spec-compliance-matrix/template.yaml) updated if necessary Co-authored-by: Carlos Alberto Cortez <calberto.cortez@gmail.com>
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Changes
The Prometheus SIG plans to work on stabilizing the Prometheus<->OTLP specification in the next few months. This PR is the first step towards it. We're setting the stability level to
Mixed, so we can tackle each part of the spec individually and in incremental PRs and discussions.cc @dashpole
CHANGELOG.mdfile updated for non-trivial changes[chore]in the PR title to skip the changelog check