Merge pull request #17694 from prometheus/cut-3.8.1

chore: cut 3.8.1

.github/workflows/fuzzing.yml

@@ -10,12 +10,12 @@ jobs:
     steps:
       - name: Build Fuzzers
         id: build
-        uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@cafd7a0eb8ecb4e007c56897996a9b65c49c972f # master
+        uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@537c8005ba4c9de026b2fa3550663280d25d6175 # master
         with:
           oss-fuzz-project-name: "prometheus"
           dry-run: false
       - name: Run Fuzzers
-        uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@cafd7a0eb8ecb4e007c56897996a9b65c49c972f # master
+        uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@537c8005ba4c9de026b2fa3550663280d25d6175 # master
         # Note: Regularly check for updates to the pinned commit hash at:
         # https://github.com/google/oss-fuzz/tree/master/infra/cifuzz/actions/run_fuzzers
         with:

CHANGELOG.md

@@ -2,9 +2,13 @@
 
 ## main / unreleased
 
+## 3.8.1 / 2025-12-16
+
+* [BUGFIX] remote: Fix Remote Write receiver, so it does not send wrong response headers for v1 flow and cause Prometheus senders to emit false partial error log and metrics. #17683
+
 ## 3.8.0 / 2025-11-28
 
-* [CHANGE] Remote-write 2 (receiving): Update to [2.0-rc.4 spec](https://github.com/prometheus/docs/blob/60c24e450010df38cfcb4f65df874f6f9b26dbcb/docs/specs/prw/remote_write_spec_2_0.md). "created timestamp" (CT) is now called "start timestamp" (ST). #17411
+* [CHANGE] remote: Update Remote Write receiving to [2.0-rc.4 spec](https://github.com/prometheus/docs/blob/60c24e450010df38cfcb4f65df874f6f9b26dbcb/docs/specs/prw/remote_write_spec_2_0.md). "created timestamp" (CT) is now called "start timestamp" (ST). #17411
 * [CHANGE] TSDB: Native Histogram Custom Bounds with a NaN threshold are now rejected. #17287
 * [FEATURE] OAuth2: support jwt-bearer grant-type (RFC7523 3.1). #17592
 * [FEATURE] Dockerfile: Add OpenContainers spec labels to Dockerfile. #16483

VERSION

@@ -1 +1 @@
-3.8.0
+3.8.1

web/ui/mantine-ui/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@prometheus-io/mantine-ui",
   "private": true,
-  "version": "0.308.0",
+  "version": "0.308.1",
   "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": "0.308.0",
+    "@prometheus-io/codemirror-promql": "0.308.1",
     "@reduxjs/toolkit": "^2.10.1",
     "@tabler/icons-react": "^3.35.0",
     "@tanstack/react-query": "^5.90.7",

web/ui/module/codemirror-promql/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@prometheus-io/codemirror-promql",
-  "version": "0.308.0",
+  "version": "0.308.1",
   "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": "0.308.0",
+    "@prometheus-io/lezer-promql": "0.308.1",
     "lru-cache": "^11.2.2"
   },
   "devDependencies": {

web/ui/module/lezer-promql/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@prometheus-io/lezer-promql",
-  "version": "0.308.0",
+  "version": "0.308.1",
   "description": "lezer-based PromQL grammar",
   "main": "dist/index.cjs",
   "type": "module",

web/ui/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "prometheus-io",
-  "version": "0.308.0",
+  "version": "0.308.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "prometheus-io",
-      "version": "0.308.0",
+      "version": "0.308.1",
       "workspaces": [
         "mantine-ui",
         "module/*"

web/ui/package.json

@@ -1,7 +1,7 @@
 {
   "name": "prometheus-io",
   "description": "Monorepo for the Prometheus UI",
-  "version": "0.308.0",
+  "version": "0.308.1",
   "private": true,
   "scripts": {
     "build": "bash build_ui.sh --all",