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Prepare v2.52.0-rc.0 release #13969

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Apr 30, 2024
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Prepare v2.52.0-rc.0 release #13969

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27 changes: 27 additions & 0 deletions CHANGELOG.md
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## unreleased

## 2.52.0-rc.0 / 2024-04-22

* [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
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We could make it a feature or join with stats bugfix

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Thinking again about this, one is counting in WAL checkpoint and the other is counting in query stats... I'm not sure if it makes sense to join them in a single changelog entry

* [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

## 2.51.2 / 2024-04-09

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2 changes: 1 addition & 1 deletion VERSION
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2.51.2
2.52.0-rc.0
4 changes: 2 additions & 2 deletions web/ui/module/codemirror-promql/package.json
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{
"name": "@prometheus-io/codemirror-promql",
"version": "0.51.2",
"version": "0.52.0-rc.0",
"description": "a CodeMirror mode for the PromQL language",
"types": "dist/esm/index.d.ts",
"module": "dist/esm/index.js",
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},
"homepage": "https://github.com/prometheus/prometheus/blob/main/web/ui/module/codemirror-promql/README.md",
"dependencies": {
"@prometheus-io/lezer-promql": "0.51.2",
"@prometheus-io/lezer-promql": "0.52.0-rc.0",
"lru-cache": "^7.18.3"
},
"devDependencies": {
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2 changes: 1 addition & 1 deletion web/ui/module/lezer-promql/package.json
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{
"name": "@prometheus-io/lezer-promql",
"version": "0.51.2",
"version": "0.52.0-rc.0",
"description": "lezer-based PromQL grammar",
"main": "dist/index.cjs",
"type": "module",
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14 changes: 7 additions & 7 deletions web/ui/package-lock.json
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2 changes: 1 addition & 1 deletion web/ui/package.json
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"ts-jest": "^29.1.1",
"typescript": "^4.9.5"
},
"version": "0.51.2"
"version": "0.52.0-rc.0"
}
4 changes: 2 additions & 2 deletions web/ui/react-app/package.json
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{
"name": "@prometheus-io/app",
"version": "0.51.2",
"version": "0.52.0-rc.0",
"private": true,
"dependencies": {
"@codemirror/autocomplete": "^6.11.1",
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"@lezer/lr": "^1.3.14",
"@nexucis/fuzzy": "^0.4.1",
"@nexucis/kvsearch": "^0.8.1",
"@prometheus-io/codemirror-promql": "0.51.2",
"@prometheus-io/codemirror-promql": "0.52.0-rc.0",
"bootstrap": "^4.6.2",
"css.escape": "^1.5.1",
"downshift": "^7.6.2",
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