⚠️ This release contains potential breaking change if you upgrade github.com/prometheus/common to 0.62+ together with client_golang. ⚠️
New common version changes model.NameValidationScheme global variable, which relaxes the validation of label names and metric name, allowing all UTF-8 characters. Typically, this should not break any user, unless your test or usage expects strict certain names to panic/fail on client_golang metric registration, gathering or scrape. In case of problems change model.NameValidationScheme to old model.LegacyValidation value in your project init function.
- [BUGFIX] gocollector: Fix help message for runtime/metric metrics. #1583
- [BUGFIX] prometheus: Fix
Desc.String()method for no labels case. #1687 - [ENHANCEMENT] prometheus: Optimize popular
prometheus.BuildFQNamefunction; now up to 30% faster. #1665 - [ENHANCEMENT] prometheus: Optimize
Inc,AddandObservecumulative metrics; now up to 50% faster under high concurrent contention. #1661 - [CHANGE] Upgrade prometheus/common to 0.62.0 which changes
model.NameValidationSchemeglobal variable. #1712 - [CHANGE] Add support for Go 1.23. #1602
- [FEATURE] process_collector: Add support for Darwin systems. #1600 #1616 #1625 #1675 #1715
- [FEATURE] api: Add ability to invoke
CloseIdleConnectionson api.Client usingapi.Client.(CloseIdler).CloseIdleConnections()casting. #1513 - [FEATURE] promhttp: Add
promhttp.HandlerOpts.EnableOpenMetricsTextCreatedSamplesoption to create OpenMetrics _created lines. Not recommended unless you want to use opt-in Created Timestamp feature. Community works on OpenMetrics 2.0 format that should make those lines obsolete (they increase cardinality significantly). #1408 - [FEATURE] prometheus: Add
NewConstNativeHistogramfunction. #1654
All commits
* Merge release-1.20 to main by @bwplotka in https://github.com//pull/1582 * gocollector: Tiny fix for help message with runtime/metrics source. by @bwplotka in https://github.com//pull/1583 * ci: bump dagger to the latest version by @marcosnils in https://github.com//pull/1588 * Merge release-1.20 back to main by @ArthurSens in https://github.com//pull/1593 * Update linting by @SuperQ in https://github.com//pull/1603 * Update supported Go versions by @SuperQ in https://github.com//pull/1602 * build(deps): bump golang.org/x/sys from 0.22.0 to 0.24.0 by @dependabot in https://github.com//pull/1611 * build(deps): bump github.com/prometheus/common from 0.55.0 to 0.57.0 by @dependabot in https://github.com//pull/1612 * changed the name of all variables with min/max name by @parthlaw in https://github.com//pull/1606 * Update Dagger and build. by @SuperQ in https://github.com//pull/1610 * build(deps): bump github/codeql-action from 3.25.15 to 3.26.6 in the github-actions group across 1 directory by @dependabot in https://github.com//pull/1614 * examples: Improved GoCollector example. by @bwplotka in https://github.com//pull/1589 * Synchronize common files from prometheus/prometheus by @prombot in https://github.com//pull/1615 * process_collector: fill in most statistics on macOS by @mharbison72 in https://github.com//pull/1600 * ⚡ http client defer CloseIdleConnections by @cuisongliu in https://github.com//pull/1513 * Set allow-utf-8 in Format during tests to avoid escaping. by @ywwg in https://github.com//pull/1618 * Synchronize common files from prometheus/prometheus by @prombot in https://github.com//pull/1622 * Merge Release 1.20 back to main by @ArthurSens in https://github.com//pull/1627 * examples: Add custom labels example by @ying-jeanne in https://github.com//pull/1626 * Refactor default runtime metrics tests for Go collector so that default runtime metric set autogenerates by @vesari in https://github.com//pull/1631 * Synchronize common files from prometheus/prometheus by @prombot in https://github.com//pull/1628 * process_xxx_memory statistics for macOS (cgo) by @mharbison72 in https://github.com//pull/1616 * build(deps): bump github.com/klauspost/compress from 1.17.9 to 1.17.10 by @dependabot in https://github.com//pull/1633 * build(deps): bump golang.org/x/sys from 0.24.0 to 0.25.0 by @dependabot in https://github.com//pull/1632 * process_collector: Add Platform-Specific Describe for processCollector by @ying-jeanne in https://github.com//pull/1625 * Synchronize common files from prometheus/prometheus by @prombot in https://github.com//pull/1635 * build(deps): bump the github-actions group with 4 updates by @dependabot in https://github.com//pull/1634 * Optionally print OM created lines by @ArthurSens in https://github.com//pull/1408 * process_collector: merge wasip1 and js into a single implementation by @ying-jeanne in https://github.com//pull/1644 * Merge release 1.20 to main by @bwplotka in https://github.com//pull/1647 * Add Arianna as maintainer 💪 by @ArthurSens in https://github.com//pull/1651 * test add headers round tripper by @Manask322 in https://github.com//pull/1657 * build(deps): bump github.com/klauspost/compress from 1.17.10 to 1.17.11 by @dependabot in https://github.com//pull/1668 * build(deps): bump golang.org/x/sys from 0.25.0 to 0.26.0 by @dependabot in https://github.com//pull/1669 * build(deps): bump github.com/prometheus/common from 0.59.1 to 0.60.1 by @dependabot in https://github.com//pull/1667 * build(deps): bump google.golang.org/protobuf from 1.34.2 to 1.35.1 by @dependabot in https://github.com//pull/1670 * Optimize BuildFQName function by @jkroepke in https://github.com//pull/1665 * fix: use injected now() instead of time.Now() in summary methods by @imorph in https://github.com//pull/1672 * process_collector: avoid a compiler warning on macOS (fixes #1660) by @mharbison72 in https://github.com//pull/1675 * Synchronize common files from prometheus/prometheus by @prombot in https://github.com//pull/1674 * build(deps): bump the github-actions group across 1 directory with 3 updates by @dependabot in https://github.com//pull/1678 * [chore]: enable perfsprint linter by @mmorel-35 in https://github.com//pull/1676 * Duplicate of #1662 by @imorph in https://github.com//pull/1673 * Synchronize common files from prometheus/prometheus by @prombot in https://github.com//pull/1679 * chore: enable usestdlibvars linter by @mmorel-35 in https://github.com//pull/1680 * Add: exponential backoff for CAS operations on floats by @imorph in https://github.com//pull/1661 * Synchronize common files from prometheus/prometheus by @prombot in https://github.com//pull/1683 * [1617] Add ConstnativeHistogram by @shivanthzen in https://github.com//pull/1654 * fix: replace fmt.Errorf with errors.New by @kakkoyun in https://github.com//pull/1689 * Add codeowners by @kakkoyun in https://github.com//pull/1688 * fix: add very small delay between observations in `TestHistogramAtomicObserve` by @imorph in https://github.com//pull/1691 * Synchronize common files from prometheus/prometheus by @prombot in https://github.com//pull/1692 * Fix: handle nil variableLabels in Desc.String() method and add tests for nil label values by @kakkoyun in https://github.com//pull/1687 * examples: Follow best practices and established naming conventions by @lilic in https://github.com//pull/1650 * setup OSSF Scorecard workflow by @mmorel-35 in https://github.com//pull/1432 * build(deps): bump google.golang.org/protobuf from 1.35.1 to 1.35.2 by @dependabot in https://github.com//pull/1697 * build(deps): bump golang.org/x/sys from 0.26.0 to 0.27.0 by @dependabot in https://github.com//pull/1696 * build(deps): bump the github-actions group with 5 updates by @dependabot in https://github.com//pull/1695 * update links to openmetrics to reference the v1.0.0 release by @dashpole in https://github.com//pull/1699 * build(deps): bump google.golang.org/protobuf from 1.35.2 to 1.36.1 by @dependabot in https://github.com//pull/1706 * build(deps): bump golang.org/x/sys from 0.27.0 to 0.28.0 by @dependabot in https://github.com//pull/1705 * build(deps): bump the github-actions group with 5 updates by @dependabot in https://github.com//pull/1707 * build(deps): bump github.com/prometheus/common from 0.60.1 to 0.61.0 by @dependabot in https://github.com//pull/1704 * Synchronize common files from prometheus/prometheus by @prombot in https://github.com//pull/1703 * Synchronize common files from prometheus/prometheus by @prombot in https://github.com//pull/1708 * Upgrade to prometheus/common 0.62.0 with breaking change by @bwplotka in https://github.com//pull/1712 * build(deps): bump golang.org/x/net from 0.26.0 to 0.33.0 in /tutorials/whatsup by @dependabot in https://github.com//pull/1713 * docs: Add RELEASE.md for the release process by @kakkoyun in https://github.com//pull/1690 * tutorials/whatsup: Updated deps by @bwplotka in https://github.com//pull/1716 * process collector: Fixed pedantic registry failures on darwin with cgo. by @bwplotka in https://github.com//pull/1715 * Revert "ci: daggerize test and lint pipelines (#1534)" by @bwplotka in https://github.com//pull/1717New Contributors
- @parthlaw made their first contribution in #1606
- @mharbison72 made their first contribution in #1600
- @cuisongliu made their first contribution in #1513
- @ying-jeanne made their first contribution in #1626
- @Manask322 made their first contribution in #1657
- @jkroepke made their first contribution in #1665
- @imorph made their first contribution in #1672
- @mmorel-35 made their first contribution in #1676
- @shivanthzen made their first contribution in #1654
- @dashpole made their first contribution in #1699
Full Changelog: v1.20.5...v1.21.0-rc.0