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Code Issues Projects Releases Wiki Activity

Prepare release 3.5.0-rc.0 (#16778)

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Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
Co-authored-by: Julius Volz <julius.volz@gmail.com>
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Bryan Boreham 2025-06-30 14:19:45 +01:00 committed by GitHub
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43
CHANGELOG.md
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## main / unreleased
* [FEATURE] OTLP receiver: Support promoting OTel scope name/version/schema URL/attributes as metric labels, enable via configuration parameter `otlp.promote_scope_metadata`. #16730 #16760
## 3.5.0-rc.0 / 2025-06-25
* [FEATURE] PromQL: Add experimental type and unit metadata labels, behind feature flag `type-and-unit-labels`. #16228 #16632 #16718 #16743
* [FEATURE] PromQL: Add `ts_of_(min|max|last)_over_time`, behind feature flag `experimental-promql-functions`. #16722 #16733
* [FEATURE] Scraping: Add global option `always_scrape_classic_histograms` to scrape a classic histogram even if it is also exposed as native. #16452
* [FEATURE] OTLP: Support promoting OTel scope name/version/schema URL/attributes as metric labels, via `otlp.promote_scope_metadata`. #16730 #16760
* [FEATURE] OTLP: New config options `promote_all_resource_attributes` and `ignore_resource_attributes`. #16426
* [FEATURE] Discovery: New service discovery for STACKIT Cloud. #16401
* [ENHANCEMENT] Hetzner SD: Add `label_selector` to filter servers. #16512
* [ENHANCEMENT] PromQL: support non-constant parameter in aggregations like `quantile` and `topk`. #16404
* [ENHANCEMENT] UI: Better total target count display when using `keep_dropped_targets` option. #16604
* [ENHANCEMENT] UI: Add simple filtering on the `/rules` page. #16605
* [ENHANCEMENT] UI: Display query stats in hover tooltip over table query tab. #16723
* [ENHANCEMENT] UI: Clear search field on `/targets` page. #16567
* [ENHANCEMENT] Rules: Check that rules parse without error earlier at startup. #16601
* [ENHANCEMENT] Promtool: Optional fuzzy float64 comparison in rules unittests. #16395
* [PERF] PromQL: Reuse `histogramStatsIterator` where possible. #16686
* [PERF] PromQL: Reuse storage for custom bucket values for native histograms. #16565
* [PERF] UI: Optimize memoization and search debouncing on `/targets` page. #16589
* [PERF] UI: Fix full-page re-rendering when opening status nav menu. #16590
* [PERF] Kubernetes SD: use service cache.Indexer to achieve better performance. #16365
* [PERF] TSDB: Optionally use Direct IO for chunks writing. #15365
* [PERF] TSDB: When fetching label values, stop work earlier if the limit is reached. #16158
* [PERF] Labels: Simpler/faster stringlabels encoding. #16069
* [PERF] Scraping: Reload scrape pools concurrently. #16595 #16783
* [BUGFIX] Top-level: Update GOGC before loading TSDB. #16491
* [BUGFIX] Config: Respect GOGC environment variable if no "runtime" block exists. #16558
* [BUGFIX] PromQL: Fix native histogram `last_over_time`. #16744
* [BUGFIX] PromQL: Fix reported parser position range in errors for aggregations wrapped in ParenExpr #16041 #16754
* [BUGFIX] PromQL: Don't emit a value from `histogram_fraction` or `histogram_quantile` if classic and native histograms are present at the same timestamp. #16552
* [BUGFIX] PromQL: Incorrect rounding of `[1001ms]` to `[1s]` and similar. #16478
* [BUGFIX] PromQL: Fix inconsistent / sometimes negative `histogram_count` and `histogram_sum`. #16682
* [BUGFIX] PromQL: Improve handling of NaNs in native histograms. #16724
* [BUGFIX] PromQL: Fix unary operator precedence in duration expressions. #16713
* [BUGFIX] PromQL: Improve consistency of `avg` aggregation and `avg_over_time`. #16569 #16773
* [BUGFIX] UI: Add query warnings and info to graph view. #16753 #16759
* [BUGFIX] API: Add HTTP `Vary: Origin` header to responses to avoid cache poisoning. #16008
* [BUGFIX] Discovery: Avoid deadlocks by taking locks in consistent order. #16587
* [BUGFIX] Remote-write: For Azure AD auth, allow empty `client_id` to suppport system assigned managed identity. #16421
* [BUGFIX] Scraping: Fix rare memory corruption bug. #16623
* [BUGFIX] Scraping: continue handling custom-bucket histograms after an exponential histogram is encountered. #16720
* [BUGFIX] OTLP: Default config not respected when `otlp:` block is unset. #16693
## 3.4.2 / 2025-06-26

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VERSION
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3.4.2
3.5.0-rc.0

4
web/ui/mantine-ui/package.json
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{
"name": "@prometheus-io/mantine-ui",
"private": true,
"version": "0.304.2",
"version": "0.305.0-rc.0",
"type": "module",
"scripts": {
"start": "vite",
@ -28,7 +28,7 @@
"@microsoft/fetch-event-source": "^2.0.1",
"@nexucis/fuzzy": "^0.5.1",
"@nexucis/kvsearch": "^0.9.1",
"@prometheus-io/codemirror-promql": "0.304.2",
"@prometheus-io/codemirror-promql": "0.305.0-rc.0",
"@reduxjs/toolkit": "^2.7.0",
"@tabler/icons-react": "^3.31.0",
"@tanstack/react-query": "^5.74.7",

4
web/ui/module/codemirror-promql/package.json
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@ -1,6 +1,6 @@
{
"name": "@prometheus-io/codemirror-promql",
"version": "0.304.2",
"version": "0.305.0-rc.0",
"description": "a CodeMirror mode for the PromQL language",
"types": "dist/esm/index.d.ts",
"module": "dist/esm/index.js",
@ -29,7 +29,7 @@
},
"homepage": "https://github.com/prometheus/prometheus/blob/main/web/ui/module/codemirror-promql/README.md",
"dependencies": {
"@prometheus-io/lezer-promql": "0.304.2",
"@prometheus-io/lezer-promql": "0.305.0-rc.0",
"lru-cache": "^11.1.0"
},
"devDependencies": {

2
web/ui/module/lezer-promql/package.json
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@ -1,6 +1,6 @@
{
"name": "@prometheus-io/lezer-promql",
"version": "0.304.2",
"version": "0.305.0-rc.0",
"description": "lezer-based PromQL grammar",
"main": "dist/index.cjs",
"type": "module",

14
web/ui/package-lock.json generated
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@ -1,12 +1,12 @@
{
"name": "prometheus-io",
"version": "0.304.2",
"version": "0.305.0-rc.0",
"lockfileVersion": 3,
"requires": true,
"packages": {
"": {
"name": "prometheus-io",
"version": "0.304.2",
"version": "0.305.0-rc.0",
"workspaces": [
"mantine-ui",
"module/*"
@ -24,7 +24,7 @@
},
"mantine-ui": {
"name": "@prometheus-io/mantine-ui",
"version": "0.304.2",
"version": "0.305.0-rc.0",
"dependencies": {
"@codemirror/autocomplete": "^6.18.6",
"@codemirror/language": "^6.11.0",
@ -42,7 +42,7 @@
"@microsoft/fetch-event-source": "^2.0.1",
"@nexucis/fuzzy": "^0.5.1",
"@nexucis/kvsearch": "^0.9.1",
"@prometheus-io/codemirror-promql": "0.304.2",
"@prometheus-io/codemirror-promql": "0.305.0-rc.0",
"@reduxjs/toolkit": "^2.7.0",
"@tabler/icons-react": "^3.31.0",
"@tanstack/react-query": "^5.74.7",
@ -189,10 +189,10 @@
},
"module/codemirror-promql": {
"name": "@prometheus-io/codemirror-promql",
"version": "0.304.2",
"version": "0.305.0-rc.0",
"license": "Apache-2.0",
"dependencies": {
"@prometheus-io/lezer-promql": "0.304.2",
"@prometheus-io/lezer-promql": "0.305.0-rc.0",
"lru-cache": "^11.1.0"
},
"devDependencies": {
@ -222,7 +222,7 @@
},
"module/lezer-promql": {
"name": "@prometheus-io/lezer-promql",
"version": "0.304.2",
"version": "0.305.0-rc.0",
"license": "Apache-2.0",
"devDependencies": {
"@lezer/generator": "^1.7.3",

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web/ui/package.json
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{
"name": "prometheus-io",
"description": "Monorepo for the Prometheus UI",
"version": "0.304.2",
"version": "0.305.0-rc.0",
"private": true,
"scripts": {
"build": "bash build_ui.sh --all",