Tags · ADITYA-CODE-SOURCE/client_java

v1.6.1

chore(main): release 1.6.1 (prometheus#2064)

🤖 I have created a release *beep* *boop*
---


##
[1.6.1](prometheus/client_java@v1.6.0...v1.6.1)
(2026-04-27)


### Bug Fixes

* Preserve original metric names in OM2 output
([prometheus#2058](prometheus#2058))
([59a7a6d](prometheus@59a7a6d))


### Documentation

* clarify 1.6.0 release notes
([prometheus#2062](prometheus#2062))
([9e5d591](prometheus@9e5d591))
* Document semantic PR title guidance
([prometheus#2060](prometheus#2060))
([7277889](prometheus@7277889))

---
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> Close and reopen this PR to trigger CI checks.

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Apr 27, 2026
fa68aa7
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v1.6.0

chore(main): release 1.6.0 (prometheus#1983)

🤖 I have created a release *beep* *boop*
---


##
[1.6.0](prometheus/client_java@v1.5.1...v1.6.0)
(2026-04-25)


### Features

* Add logic for handling content negotation flag with OM2
([prometheus#1986](prometheus#1986))
([0fa1ad7](prometheus@0fa1ad7))
* Add OM2 native histogram text output
([prometheus#2042](prometheus#2042))
([dec8e5b](prometheus@dec8e5b))
* add OTel preserve_names for scrape-time suffix handling
([prometheus#1956](prometheus#1956))
([f794288](prometheus@f794288))
* compositeValues and exemplarCompliance flags for OM2 writer
([prometheus#1991](prometheus#1991))
([ff48ae8](prometheus@ff48ae8))
* move suffix handling to scrape time
([prometheus#1955](prometheus#1955))
([5a5106c](prometheus@5a5106c))
* OM2 writer outputs names as provided, no suffix appending
([prometheus#1957](prometheus#1957))
([5ce2b57](prometheus@5ce2b57))


### Bug Fixes

* **deps:** update dependency com.google.guava:guava to v33.6.0-jre
([prometheus#2021](prometheus#2021))
([1382693](prometheus@1382693))
* **deps:** update dependency commons-io:commons-io to v2.22.0
([prometheus#2044](prometheus#2044))
([9e05c1d](prometheus@9e05c1d))
* **deps:** update dependency
io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha
to v2.27.0-alpha
([prometheus#2022](prometheus#2022))
([30ac534](prometheus@30ac534))
* **deps:** update dependency
io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha
to v2.27.0-alpha
([prometheus#2023](prometheus#2023))
([2d51a32](prometheus@2d51a32))
* **deps:** update dependency io.prometheus:prometheus-metrics-bom to
v1.5.1 ([prometheus#2004](prometheus#2004))
([650ce4b](prometheus@650ce4b))
* **deps:** update dependency org.apache.tomcat.embed:tomcat-embed-core
to v11.0.21
([prometheus#2005](prometheus#2005))
([7a36df7](prometheus@7a36df7))
* **deps:** update dependency
org.springframework.boot:spring-boot-starter-parent to v4.0.5
([prometheus#2006](prometheus#2006))
([0106c18](prometheus@0106c18))
* **deps:** update dependency
org.springframework.boot:spring-boot-starter-parent to v4.0.6
([prometheus#2046](prometheus#2046))
([40a9db8](prometheus@40a9db8))
* **deps:** update jetty monorepo to v12.1.8
([prometheus#2007](prometheus#2007))
([acab5b2](prometheus@acab5b2))
* **deps:** update protobuf
([prometheus#2024](prometheus#2024))
([8e2214e](prometheus@8e2214e))
* pass release tag as input to deploy workflow
([prometheus#1982](prometheus#1982))
([165c921](prometheus@165c921))
* pin grafana/otel-lgtm to 0.7.2 in OATs acceptance test
([prometheus#1992](prometheus#1992))
([f17ad9a](prometheus@f17ad9a))
* Relax metric name validation in Dropwizard5
([prometheus#1985](prometheus#1985))
([deb782f](prometheus@deb782f))
* stabilize flaky timer and thread count tests
([prometheus#1973](prometheus#1973))
([ce5867b](prometheus@ce5867b))
* Tighten OM2 summary and start timestamp output
([prometheus#2041](prometheus#2041))
([5699469](prometheus@5699469))
* trigger Maven deploy from release-please via workflow_dispatch
([prometheus#1981](prometheus#1981))
([698f956](prometheus@698f956))

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Apr 27, 2026
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v1.5.1

chore(main): release 1.5.1 (prometheus#1979)

🤖 I have created a release *beep* *boop*
---


##
[1.5.1](prometheus/client_java@v1.5.0...v1.5.1)
(2026-03-20)


### Bug Fixes

* **deps:** update dependency io.prometheus:prometheus-metrics-bom to
v1.5.0 ([prometheus#1877](prometheus#1877))
([043fc57](prometheus@043fc57))
* **deps:** update dependency
org.springframework.boot:spring-boot-starter-parent to v4.0.3
([prometheus#1900](prometheus#1900))
([0d800d0](prometheus@0d800d0))
* **deps:** update jetty monorepo to v12.1.7
([prometheus#1932](prometheus#1932))
([5bd3b79](prometheus@5bd3b79))
* **deps:** update junit-framework monorepo to v6.0.3
([prometheus#1880](prometheus#1880))
([05ad751](prometheus@05ad751))
* exclude standalone examples from `mise run format`
([prometheus#1931](prometheus#1931))
([537fb88](prometheus@537fb88))
* fix release-please PR title pattern and permissions
([prometheus#1978](prometheus#1978))
([d737978](prometheus@d737978))
* Handle empty datapoints in otel exporter
([prometheus#1898](prometheus#1898))
([59c8552](prometheus@59c8552))
* inline set-version logic in build-release.sh
([prometheus#1884](prometheus#1884))
([c050435](prometheus@c050435))
* reduce lychee retries to avoid compounding GitHub 429s
([prometheus#1940](prometheus#1940))
([cc17d6e](prometheus@cc17d6e))
* remove version manipulation from build-release.sh
([prometheus#1886](prometheus#1886))
([93e2b6d](prometheus@93e2b6d))
* trigger Maven deploy on release-please published events
([prometheus#1966](prometheus#1966))
([643d0e7](prometheus@643d0e7))
* use /tree/ instead of /blob/ for directory URL
([prometheus#1944](prometheus#1944))
([b81332e](prometheus@b81332e))
* use maven release type for release-please
([prometheus#1967](prometheus#1967))
([ff3bd2d](prometheus@ff3bd2d))


### Documentation

* document DCO sign-off requirement for contributions
([prometheus#1937](prometheus#1937))
([0860e77](prometheus@0860e77))

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Mar 20, 2026
b27d2d4
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v1.5.0

chore(deps): update dependency lychee to v0.23.0 (prometheus#1874)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [lychee](https://redirect.github.com/lycheeverse/lychee) | minor |
`0.22.0` → `0.23.0` |

---

### Release Notes

<details>
<summary>lycheeverse/lychee (lychee)</summary>

###
[`v0.23.0`](https://redirect.github.com/lycheeverse/lychee/releases/tag/lychee-v0.23.0)

[Compare
Source](https://redirect.github.com/lycheeverse/lychee/compare/lychee-v0.22.0...lychee-v0.23.0)

##### Added

- per-host caching
([#&#8203;1974](https://redirect.github.com/lycheeverse/lychee/pull/1974))
- implement per-host rate limiting and statistics
([#&#8203;1929](https://redirect.github.com/lycheeverse/lychee/pull/1929))

##### Fixed

- CacheableResponse should only download file when needed
([#&#8203;2035](https://redirect.github.com/lycheeverse/lychee/pull/2035))
- Combine host stats with response stats
([#&#8203;1975](https://redirect.github.com/lycheeverse/lychee/pull/1975))

##### Other

- delete leftover openssl sentence in readme
- Speed up slow tests
([#&#8203;2019](https://redirect.github.com/lycheeverse/lychee/pull/2019))
- *(deps)* bump the dependencies group with 2 updates
- Improve README.md UX
([#&#8203;2029](https://redirect.github.com/lycheeverse/lychee/pull/2029))
- Replace OpenSSL with rustls
([#&#8203;1928](https://redirect.github.com/lycheeverse/lychee/pull/1928))
- Replace check-if-email-exists with mailify
([#&#8203;1985](https://redirect.github.com/lycheeverse/lychee/pull/1985))
- Redirect hint
([#&#8203;2020](https://redirect.github.com/lycheeverse/lychee/pull/2020))
- Update to reqwest 0.13.1 & cargo update
- *(deps)* bump the dependencies group across 1 directory with 4 updates
- Use absolute instead of canonicalize for relative root-dir
([#&#8203;2008](https://redirect.github.com/lycheeverse/lychee/pull/2008))
- Log successful responses only for Debug and Trace
- Only show redirect details in verbose mode
- Show status code in redirect list
- Use u8 instead of i8 for log level values
- Update comparison table
([#&#8203;1997](https://redirect.github.com/lycheeverse/lychee/pull/1997))
- Rejected urls
([#&#8203;1990](https://redirect.github.com/lycheeverse/lychee/pull/1990))
- Accept ranges
([#&#8203;1989](https://redirect.github.com/lycheeverse/lychee/pull/1989))
- *(deps)* bump the dependencies group with 5 updates
([#&#8203;1988](https://redirect.github.com/lycheeverse/lychee/pull/1988))
- *(deps)* bump the dependencies group with 4 updates
([#&#8203;1978](https://redirect.github.com/lycheeverse/lychee/pull/1978))
- *(deps)* bump the dependencies group with 4 updates
([#&#8203;1973](https://redirect.github.com/lycheeverse/lychee/pull/1973))
- *(docs)* update TOC
- Improve wikilink parsing and checking
([#&#8203;1799](https://redirect.github.com/lycheeverse/lychee/pull/1799))
- Specify that Scoop installation is for Windows
([#&#8203;1969](https://redirect.github.com/lycheeverse/lychee/pull/1969))
- Extract record\_cache\_event & skip mail caching
- Add tldr-pages link to README
([#&#8203;1963](https://redirect.github.com/lycheeverse/lychee/pull/1963))
- *(deps)* bump the dependencies group across 1 directory with 3 updates
([#&#8203;1961](https://redirect.github.com/lycheeverse/lychee/pull/1961))
- Extract URLs from CSS
([#&#8203;1956](https://redirect.github.com/lycheeverse/lychee/pull/1956))

</details>

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v1.4.3

add sum and count for DistributionDataPoint (prometheus#1669)

Fixes prometheus#1610

Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>

Nov 7, 2025
8d697b3
zip
tar.gz

v1.4.2

fix build (prometheus#1652)

because error prone requires jdk 21

---------

Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>

Oct 28, 2025
7795ddc
zip
tar.gz

v1.4.1

add missing builder method for escaping scheme (prometheus#1518)

Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>

Aug 18, 2025
8da6c1e
zip
tar.gz

v1.4.0

UTF-8 support in metric and label names (prometheus#1255)

Adds UTF-8 support for metric and label names.

These changes are based on the work done on the Prometheus common
libraries [here](prometheus/common#537) and
[here](prometheus/common#570)

- The `prometheus-metrics-exposition-formats` module will use the new
quoting syntax `{"foo"}` iff the metric does not conform to the legacy
name format (`foo{}`)
- The `prometheus-metrics-model` module has a new flag
(`nameValidationScheme`) that determines if validation is done using the
legacy or the UTF-8 scheme. This flag can be set via a property in the
properties file.
- Scrapers can announce via content negotiation that they support UTF-8
names by adding `escaping=allow-utf-8` in the Accept header. In cases
where UTF-8 is not available, metric providers can be configured to
escape names in a few different ways: values (`U__` UTF value escaping
for perfect round-tripping), underscores (all invalid chars become `_`),
dots (dots become `_dot_`, `_` becomes `__`, all other values become
`___`). Escaping has a global default
(`PrometheusNaming.DEFAULT_ESCAPING_SCHEME`) or can also be specified in
Accept header with the `escaping=` term, which can be `allow-utf-8` (for
UTF-8-compatible), `underscores`, `dots`, or `values`.
This should still be a noop for existing configurations because scrapers
will not be passing the escaping key in the Accept header. Existing
functionality is maintained.
- The `prometheus-metrics-exporter-pushgateway` module will
[escape](https://github.com/prometheus/proposals/blob/main/proposals/2023-08-21-utf8.md#text-escaping)
UTF-8 grouping keys in the URL path used when pushing metrics (see
prometheus/pushgateway#689)

Work towards prometheus/prometheus#13095

---------

Signed-off-by: Federico Torres <federico.torres@grafana.com>
Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>
Co-authored-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>

Aug 18, 2025
f613ab4
zip
tar.gz

v1.3.10

Add exposition textformats to bom (prometheus#1451)

Replaces prometheus#1450

---------

Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>
Co-authored-by: James McIntyre <gh.ka3tx@simplelogin.com>

Jul 7, 2025
2e19138
zip
tar.gz

v1.3.9

Pin dependencies (prometheus#1447)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/cache](https://redirect.github.com/actions/cache) | action |
pinDigest | -> `5a3ec84` |
| [actions/checkout](https://redirect.github.com/actions/checkout) |
action | pinDigest | -> `11bd719` |
|
[actions/configure-pages](https://redirect.github.com/actions/configure-pages)
| action | pinDigest | -> `983d773` |
|
[actions/deploy-pages](https://redirect.github.com/actions/deploy-pages)
| action | pinDigest | -> `d6db901` |
| [actions/setup-java](https://redirect.github.com/actions/setup-java) |
action | pinDigest | -> `c5195ef` |
|
[actions/upload-pages-artifact](https://redirect.github.com/actions/upload-pages-artifact)
| action | pinDigest | -> `56afc60` |
| eclipse-temurin | final | pinDigest |  -> `ffed502` |
| eclipse-temurin |  | pinDigest |  -> `ffed502` |
| [grafana/grafana](https://redirect.github.com/grafana/grafana) | |
pinDigest | -> `b5b59bf` |
| grafana/k6 |  | pinDigest |  -> `b1625f6` |
| grafana/tempo |  | pinDigest |  -> `bc9245f` |
| openjdk |  | pinDigest |  -> `356949c` |
|
[otel/opentelemetry-collector-contrib](https://redirect.github.com/open-telemetry/opentelemetry-collector-releases)
| | pinDigest | -> `4798e30` |
| prom/prometheus |  | pinDigest |  -> `3b1d5be` |

---

> [!WARNING]
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Dashboard for more information.

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Tags: ADITYA-CODE-SOURCE/client_java