Prometheus - Package Updates

[nebulon]

[1.29.1]

• Update Prometheus to 2.50.1
• Full changelog
• [BUGFIX] API: Fix metadata API using wrong field names. #13633

[girish]

[1.9.0]

• Update alertmanager to 0.27.0
• Full changelog
• [CHANGE] Discord Integration: Enforce max length in message. #3597
• [CHANGE] API: Removal of all api/v1/ endpoints. These endpoints now log and return a deprecation message and respond with a status code of 410. #2970
• [FEATURE] UTF-8 Support: Introduction of support for any UTF-8 character as part of label names and matchers. Please read more below. #3453, #3483, #3567, #3570
• [FEATURE] Metrics: Introduced the experimental feature flag --enable-feature=receiver-name-in-metrics to include the receiver name in the following metrics: #3045
• [FEATURE] Metrics: Introduced a new gauge named alertmanager_inhibition_rules that counts the number of configured inhibition rules. #3681
• [FEATURE] Metrics: Introduced a new counter named alertmanager_alerts_supressed_total that tracks muted alerts, it contains a reason label to indicate the source of the mute. #3565

[nebulon]

[1.30.0]

• Update Prometheus to 2.51.0
• Full changelog

[girish]

[1.30.1]

• Update Prometheus to 2.51.1
• Full changelog
• [BUGFIX] PromQL: Re-instate validation of label_join destination label #13803
• [BUGFIX] Scraping (experimental native histograms): Fix handling of the min bucket factor on sync of targets #13846
• [BUGFIX] PromQL: Some queries could return the same series twice (library use only) #13845

[girish]

[1.30.2]

• Update Prometheus to 2.51.2
• Full changelog
• Notifier: could hang when using relabeling on alerts

[nebulon]

[1.31.0]

• Update Prometheus to 2.52.0
• Full changelog
• [CHANGE] TSDB: Fix the predicate checking for blocks which are beyond the retention period to include the ones right at the retention boundary. #9633
• [FEATURE] Kubernetes SD: Add a new metric prometheus_sd_kubernetes_failures_total to track failed requests to Kubernetes API. #13554
• [FEATURE] Kubernetes SD: Add node and zone metadata labels when using the endpointslice role. #13935
• [FEATURE] Azure SD/Remote Write: Allow usage of Azure authorization SDK. #13099
• [FEATURE] Alerting: Support native histogram templating. #13731
• [FEATURE] Linode SD: Support IPv6 range discovery and region filtering. #13774
• [ENHANCEMENT] PromQL: Performance improvements for queries with regex matchers. #13461
• [ENHANCEMENT] PromQL: Performance improvements when using aggregation operators. #13744
• [ENHANCEMENT] PromQL: Validate label_join destination label. #13803
• [ENHANCEMENT] Scrape: Increment prometheus_target_scrapes_sample_duplicate_timestamp_total metric on duplicated series during one scrape. #12933
• [ENHANCEMENT] TSDB: Many improvements in performance. #13742 #13673 #13782
• [ENHANCEMENT] TSDB: Pause regular block compactions if the head needs to be compacted (prioritize head as it increases memory consumption). #13754
• [ENHANCEMENT] Observability: Improved logging during signal handling termination. #13772
• [ENHANCEMENT] Observability: All log lines for drop series use "num_dropped" key consistently. #13823
• [ENHANCEMENT] Observability: Log chunk snapshot and mmaped chunk replay duration during WAL replay. #13838
• [ENHANCEMENT] Observability: Log if the block is being created from WBL during compaction. #13846
• [BUGFIX] PromQL: Fix inaccurate sample number statistic when querying histograms. #13667
• [BUGFIX] PromQL: Fix histogram_stddev and histogram_stdvar for cases where the histogram has negative buckets. #13852
• [BUGFIX] PromQL: Fix possible duplicated label name and values in a metric result for specific queries. #13845
• [BUGFIX] Scrape: Fix setting native histogram schema factor during scrape. #13846
• [BUGFIX] TSDB: Fix counting of histogram samples when creating WAL checkpoint stats. #13776
• [BUGFIX] TSDB: Fix cases of compacting empty heads. #13755
• [BUGFIX] TSDB: Count float histograms in WAL checkpoint. #13844
• [BUGFIX] Remote Read: Fix memory leak due to broken requests. #13777
• [BUGFIX] API: Stop building response for /api/v1/series/ when the API request was cancelled. #13766
• [BUGFIX] promtool: Fix panic on promtool tsdb analyze --extended when no native histograms are present. #13976

[girish]

[1.32.0]

• Update Prometheus to 2.53.0
• Full changelog
• [FEATURE] Rules: Add new option query_offset for each rule group via rule group configuration file and rule_query_offset as part of the global configuration to have more resilience for remote write delays. #14061 #14216 #14273
• [ENHANCEMENT] Rules: Add rule_group_last_restore_duration_seconds metric to measure the time it takes to restore a rule group. #13974
• [ENHANCEMENT] OTLP: Improve remote write format translation performance by using label set hashes for metric identifiers instead of string based ones. #14006 #13991
• [ENHANCEMENT] TSDB: Optimize querying with regexp matchers. #13620

[Package Updates]

[1.32.1]

• Update Prometheus to 2.53.1
• Full changelog

[Package Updates]

[1.33.0]

• Update Prometheus to 2.54.0
• Full changelog

[Package Updates]

[1.33.1]

• Update Prometheus to 2.54.1
• Full changelog

[Package Updates]

[1.34.0]

• Update Prometheus to 2.55.0
• Full changelog

[Package Updates]

[1.34.1]

• Update Prometheus Server to 2.55.1
• Full Changelog

[Package Updates]

[2.0.0]

• Update prometheus to 3.0.0
• Announcement
• Migration Guide
• New, more inclusive governance
• More OpenTelemetry compatibility and features
• OpenMetrics 2.0, now under Prometheus governance!
• Native Histograms stability (and with custom buckets!)
• More optimizations!
• UTF-8 support coverage in more SDKs and tools