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zeitlinger merged 4 commits into from
Apr 27, 2026
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docs: clarify 1.6.0 release notes #2062

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8bce5de
docs: Document semantic PR title guidance
zeitlinger Apr 27, 2026
22d3a3c
docs: clarify 1.6.0 release notes
zeitlinger Apr 27, 2026
f899db9
docs: remove OM2 items from 1.6.0 notes
zeitlinger Apr 27, 2026
820c93e
docs: keep 1.6.0 release notes scoped
zeitlinger Apr 27, 2026
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10 changes: 2 additions & 8 deletions CHANGELOG.md
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Expand Up @@ -2,15 +2,11 @@

## [1.6.0](https://github.com/prometheus/client_java/compare/v1.5.1...v1.6.0) (2026-04-25)

> Note: OpenMetrics 2.0 support is still in progress and not ready for general use yet.

### Features

* Add logic for handling content negotation flag with OM2 ([#1986](https://github.com/prometheus/client_java/issues/1986)) ([0fa1ad7](https://github.com/prometheus/client_java/commit/0fa1ad7dcb71f7f02e19ee9604c07d9c48802f04))
* Add OM2 native histogram text output ([#2042](https://github.com/prometheus/client_java/issues/2042)) ([dec8e5b](https://github.com/prometheus/client_java/commit/dec8e5b15a1c48c54be6b81517f2cb334bc0ee60))
* add OTel preserve_names for scrape-time suffix handling ([#1956](https://github.com/prometheus/client_java/issues/1956)) ([f794288](https://github.com/prometheus/client_java/commit/f79428863e4f2012ab20b5b0aabc2ca1e6a8151c))
* compositeValues and exemplarCompliance flags for OM2 writer ([#1991](https://github.com/prometheus/client_java/issues/1991)) ([ff48ae8](https://github.com/prometheus/client_java/commit/ff48ae8118c4e071bf86ca7beabdd0e951b896dc))
* move suffix handling to scrape time ([#1955](https://github.com/prometheus/client_java/issues/1955)) ([5a5106c](https://github.com/prometheus/client_java/commit/5a5106c2ad46ad5e0c1c97d99b994e7626af18ee))
* OM2 writer outputs names as provided, no suffix appending ([#1957](https://github.com/prometheus/client_java/issues/1957)) ([5ce2b57](https://github.com/prometheus/client_java/commit/5ce2b575272a06b5115f40f3298d5c861cef8bbd))
* Relax metric name validation in Dropwizard5 ([#1985](https://github.com/prometheus/client_java/issues/1985)) ([deb782f](https://github.com/prometheus/client_java/commit/deb782f9fce60ffb1308a98b661c0a1ccb79a82b))


### Bug Fixes
Expand All @@ -27,9 +23,7 @@
* **deps:** update protobuf ([#2024](https://github.com/prometheus/client_java/issues/2024)) ([8e2214e](https://github.com/prometheus/client_java/commit/8e2214e0a3ac2fe8a9194d9519dcee10f6c9a694))
* pass release tag as input to deploy workflow ([#1982](https://github.com/prometheus/client_java/issues/1982)) ([165c921](https://github.com/prometheus/client_java/commit/165c921c2508e073baa8f403b30e536ba9b43df9))
* pin grafana/otel-lgtm to 0.7.2 in OATs acceptance test ([#1992](https://github.com/prometheus/client_java/issues/1992)) ([f17ad9a](https://github.com/prometheus/client_java/commit/f17ad9ad9be2ed0a8519db094f9d8fe9a8a83c48))
* Relax metric name validation in Dropwizard5 ([#1985](https://github.com/prometheus/client_java/issues/1985)) ([deb782f](https://github.com/prometheus/client_java/commit/deb782f9fce60ffb1308a98b661c0a1ccb79a82b))
* stabilize flaky timer and thread count tests ([#1973](https://github.com/prometheus/client_java/issues/1973)) ([ce5867b](https://github.com/prometheus/client_java/commit/ce5867b3e25e10c68a6face275732b994a80ec98))
* Tighten OM2 summary and start timestamp output ([#2041](https://github.com/prometheus/client_java/issues/2041)) ([5699469](https://github.com/prometheus/client_java/commit/5699469d345b9d3aaf3d6c0e5e76de2959477269))
* trigger Maven deploy from release-please via workflow_dispatch ([#1981](https://github.com/prometheus/client_java/issues/1981)) ([698f956](https://github.com/prometheus/client_java/commit/698f9565e825cdb0f58d2782131cb152cc13894a))

## [1.5.1](https://github.com/prometheus/client_java/compare/v1.5.0...v1.5.1) (2026-03-20)
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