Prepare release candidate 3.9-rc.0 (#17716)

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
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Bryan Boreham 2025-12-23 11:56:39 +00:00 committed by GitHub
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7 changed files with 50 additions and 16 deletions

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# Changelog
## main / unreleased
## 3.9.0-rc.0 / 2025-12-18
* [BUGFIX] TSDB: Register `prometheus_tsdb_sample_ooo_delta` metric properly. #17477
- [CHANGE] Native Histograms are no longer experimental! Make the `native-histogram` feature flag a no-op. Use `scrape_native_histograms` config option instead. #17528
- [CHANGE] API: Add maximum limit of 10,000 sets of statistics to TSDB status endpoint. #17647
- [FEATURE] API: Add /api/v1/features for clients to understand which features are supported. #17427
- [FEATURE] Promtool: Add `start_timestamp` field for unit tests. #17636
- [FEATURE] Promtool: Add `--format seriesjson` option to `tsdb dump` to output just series labels in JSON format. #13409
- [FEATURE] Add `--storage.tsdb.delay-compact-file.path` flag for better interoperability with Thanos. #17435
- [FEATURE] UI: Add an option on the query drop-down menu to duplicate that query panel. #17714
- [ENHANCEMENT]: TSDB: add flag `--storage.tsdb.block-reload-interval` to configure TSDB Block Reload Interval. #16728
- [ENHANCEMENT] UI: Add graph option to start the chart's Y axis at zero. #17565
- [ENHANCEMENT] Scraping: Classic protobuf format no longer requires the unit in the metric name. #16834
- [ENHANCEMENT] PromQL, Rules, SD, Scraping: Add native histograms to complement existing summaries. #17374
- [ENHANCEMENT] Notifications: Add a histogram `prometheus_notifications_latency_histogram_seconds` to complement the existing summary. #16637
- [ENHANCEMENT] Remote-write: Add custom scope support for AzureAD authentication. #17483
- [ENHANCEMENT] SD: add a `config` label with job name for most `prometheus_sd_refresh` metrics. #17138
- [ENHANCEMENT] TSDB: New histogram `prometheus_tsdb_sample_ooo_delta`, the distribution of out-of-order samples in seconds. Collected for all samples, accepted or not. #17477
- [ENHANCEMENT] Remote-read: Validate histograms received via remote-read. #17561
- [PERF] TSDB: Small optimizations to postings index. #17439
- [PERF] Scraping: Speed up relabelling of series. #17530
- [PERF] PromQL: Small optimisations in binary operators. #17524, #17519.
- [BUGFIX] UI: PromQL autocomplete now shows the correct type and HELP text for OpenMetrics counters whose samples end in `_total`. #17682
- [BUGFIX] UI: Fixed codemirror-promql incorrectly showing label completion suggestions after the closing curly brace of a vector selector. #17602
- [BUGFIX] UI: Query editor no longer suggests a duration unit if one is already present after a number. #17605
- [BUGFIX] PromQL: Fix some "vector cannot contain metrics with the same labelset" errors when experimental delayed name removal is enabled. #17678
- [BUGFIX] PromQL: Fix possible corruption of PromQL text if the query had an empty `ignoring()` and non-empty grouping. #17643
- [BUGFIX] PromQL: Fix resets/changes to return empty results for anchored selectors when all samples are outside the range. #17479
- [BUGFIX] PromQL: Check more consistently for many-to-one matching in filter binary operators. #17668
- [BUGFIX] PromQL: Fix collision in unary negation with non-overlapping series. #17708
- [BUGFIX] PromQL: Fix collision in label_join and label_replace with non-overlapping series. #17703
- [BUGFIX] PromQL: Fix bug with inconsistent results for queries with OR expression when experimental delayed name removal is enabled. #17161
- [BUGFIX] PromQL: Ensure that `rate`/`increase`/`delta` of histograms results in a gauge histogram. #17608
- [BUGFIX] PromQL: Do not panic while iterating over invalid histograms. #17559
- [BUGFIX] TSDB: Reject chunk files whose encoded chunk length overflows int. #17533
- [BUGFIX] TSDB: Do not panic during resolution reduction of invalid histograms. #17561
- [BUGFIX] Remote-write Receive: Avoid duplicate labels when experimental type-and-unit-label feature is enabled. #17546
- [BUGFIX] OTLP Receiver: Only write metadata to disk when experimental metadata-wal-records feature is enabled. #17472
## 3.8.1 / 2025-12-16

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3.8.1
3.9.0-rc.0

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{
"name": "@prometheus-io/mantine-ui",
"private": true,
"version": "0.308.1",
"version": "0.309.0-rc.0",
"type": "module",
"scripts": {
"start": "vite",
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"@microsoft/fetch-event-source": "^2.0.1",
"@nexucis/fuzzy": "^0.5.1",
"@nexucis/kvsearch": "^0.9.1",
"@prometheus-io/codemirror-promql": "0.308.1",
"@prometheus-io/codemirror-promql": "0.309.0-rc.0",
"@reduxjs/toolkit": "^2.10.1",
"@tabler/icons-react": "^3.35.0",
"@tanstack/react-query": "^5.90.7",

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{
"name": "@prometheus-io/codemirror-promql",
"version": "0.308.1",
"version": "0.309.0-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": "0.308.1",
"@prometheus-io/lezer-promql": "0.309.0-rc.0",
"lru-cache": "^11.2.2"
},
"devDependencies": {

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{
"name": "@prometheus-io/lezer-promql",
"version": "0.308.1",
"version": "0.309.0-rc.0",
"description": "lezer-based PromQL grammar",
"main": "dist/index.cjs",
"type": "module",

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{
"name": "prometheus-io",
"version": "0.308.1",
"version": "0.309.0-rc.0",
"lockfileVersion": 3,
"requires": true,
"packages": {
"": {
"name": "prometheus-io",
"version": "0.308.1",
"version": "0.309.0-rc.0",
"workspaces": [
"mantine-ui",
"module/*"
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},
"mantine-ui": {
"name": "@prometheus-io/mantine-ui",
"version": "0.308.0",
"version": "0.309.0-rc.0",
"dependencies": {
"@codemirror/autocomplete": "^6.19.1",
"@codemirror/language": "^6.11.3",
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"@microsoft/fetch-event-source": "^2.0.1",
"@nexucis/fuzzy": "^0.5.1",
"@nexucis/kvsearch": "^0.9.1",
"@prometheus-io/codemirror-promql": "0.308.0",
"@prometheus-io/codemirror-promql": "0.309.0-rc.0",
"@reduxjs/toolkit": "^2.10.1",
"@tabler/icons-react": "^3.35.0",
"@tanstack/react-query": "^5.90.7",
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},
"module/codemirror-promql": {
"name": "@prometheus-io/codemirror-promql",
"version": "0.308.0",
"version": "0.309.0-rc.0",
"license": "Apache-2.0",
"dependencies": {
"@prometheus-io/lezer-promql": "0.308.0",
"@prometheus-io/lezer-promql": "0.309.0-rc.0",
"lru-cache": "^11.2.2"
},
"devDependencies": {
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},
"module/lezer-promql": {
"name": "@prometheus-io/lezer-promql",
"version": "0.308.0",
"version": "0.309.0-rc.0",
"license": "Apache-2.0",
"devDependencies": {
"@lezer/generator": "^1.8.0",

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{
"name": "prometheus-io",
"description": "Monorepo for the Prometheus UI",
"version": "0.308.1",
"version": "0.309.0-rc.0",
"private": true,
"scripts": {
"build": "bash build_ui.sh --all",