v12.8.2 (#16663)

Author: connorjclark

changelog.md

@@ -1,3 +1,50 @@
+<a name="12.8.2"></a>
+# 12.8.2 (2025-08-28)
+[Full Changelog](https://github.com/GoogleChrome/lighthouse/compare/v12.8.1...v12.8.2)
+
+We expect this release to ship in the DevTools of [Chrome 141](https://chromiumdash.appspot.com/schedule), and to PageSpeed Insights within 2 weeks.
+
+## New contributors
+
+Thanks to our new contributors 👽🐷🐰🐯🐻! 
+
+- uthem150 @uthem150
+- Nirav Gondaliya @niravzxv
+
+## Core
+
+* errors-in-console: truncate large errors ([#16619](https://github.com/GoogleChrome/lighthouse/pull/16619))
+* insights: passing score (not n/a) for empty results ([#16639](https://github.com/GoogleChrome/lighthouse/pull/16639))
+* non-composited-animations: separate custom CSS properties ([#16627](https://github.com/GoogleChrome/lighthouse/pull/16627))
+
+## Report
+
+* viewer: only disable save-gist button on successful save ([#16618](https://github.com/GoogleChrome/lighthouse/pull/16618))
+
+## Deps
+
+* upgrade deps ([#16660](https://github.com/GoogleChrome/lighthouse/pull/16660))
+* upgrade trace_engine to 0.0.59 ([#16659](https://github.com/GoogleChrome/lighthouse/pull/16659))
+* remove semver ([#16655](https://github.com/GoogleChrome/lighthouse/pull/16655))
+* upgrade tldts-icann ([#16657](https://github.com/GoogleChrome/lighthouse/pull/16657))
+* upgrade esbuild to 0.25.9 ([#16652](https://github.com/GoogleChrome/lighthouse/pull/16652))
+* upgrade / drop many dev deps ([#16651](https://github.com/GoogleChrome/lighthouse/pull/16651))
+* upgrade trace_engine to 0.0.58 ([#16649](https://github.com/GoogleChrome/lighthouse/pull/16649))
+
+## I18n
+
+* import ([#16662](https://github.com/GoogleChrome/lighthouse/pull/16662))
+
+## Tests
+
+* disable startTimespan api test ([#16653](https://github.com/GoogleChrome/lighthouse/pull/16653))
+* disable trusted-types-directive-present smoke test ([#16620](https://github.com/GoogleChrome/lighthouse/pull/16620))
+* smokehouse: log specific error message when missing tests path ([#16648](https://github.com/GoogleChrome/lighthouse/pull/16648))
+
+## Misc
+
+* use structuredClone instead of lodash cloneDeep ([#16656](https://github.com/GoogleChrome/lighthouse/pull/16656))
+
 <a name="12.8.1"></a>
 # 12.8.1 (2025-08-01)
 [Full Changelog](https://github.com/GoogleChrome/lighthouse/compare/v12.8.0...v12.8.1)

core/test/fixtures/user-flows/reports/sample-flow-result.json

@@ -2,7 +2,7 @@
   "steps": [
     {
       "lhr": {
-        "lighthouseVersion": "12.8.1",
+        "lighthouseVersion": "12.8.2",
         "requestedUrl": "https://www.mikescerealshack.co/",
         "mainDocumentUrl": "https://www.mikescerealshack.co/",
         "finalDisplayedUrl": "https://www.mikescerealshack.co/",
@@ -10987,7 +10987,7 @@
     },
     {
       "lhr": {
-        "lighthouseVersion": "12.8.1",
+        "lighthouseVersion": "12.8.2",
         "finalDisplayedUrl": "https://www.mikescerealshack.co/search?q=call+of+duty",
         "fetchTime": "2025-02-05T01:31:50.141Z",
         "gatherMode": "timespan",
@@ -16546,7 +16546,7 @@
     },
     {
       "lhr": {
-        "lighthouseVersion": "12.8.1",
+        "lighthouseVersion": "12.8.2",
         "finalDisplayedUrl": "https://www.mikescerealshack.co/search?q=call+of+duty",
         "fetchTime": "2025-02-05T01:32:00.108Z",
         "gatherMode": "snapshot",
@@ -22568,7 +22568,7 @@
     },
     {
       "lhr": {
-        "lighthouseVersion": "12.8.1",
+        "lighthouseVersion": "12.8.2",
         "requestedUrl": "https://www.mikescerealshack.co/corrections",
         "mainDocumentUrl": "https://www.mikescerealshack.co/corrections",
         "finalDisplayedUrl": "https://www.mikescerealshack.co/corrections",

core/test/results/sample_v2.json

@@ -1,5 +1,5 @@
 {
-  "lighthouseVersion": "12.8.1",
+  "lighthouseVersion": "12.8.2",
   "requestedUrl": "http://localhost:10200/dobetterweb/dbw_tester.html",
   "mainDocumentUrl": "http://localhost:10200/dobetterweb/dbw_tester.html",
   "finalDisplayedUrl": "http://localhost:10200/dobetterweb/dbw_tester.html",

docs/plugins.md

@@ -61,10 +61,10 @@ A Lighthouse plugin is just a node module with a name that starts with `lighthou
   "type": "module",
   "main": "plugin.js",
   "peerDependencies": {
-    "lighthouse": "^12.8.1"
+    "lighthouse": "^12.8.2"
   },
   "devDependencies": {
-    "lighthouse": "^12.8.1"
+    "lighthouse": "^12.8.2"
   }
 }
 ```

docs/recipes/lighthouse-plugin-example/package.json

@@ -4,7 +4,7 @@
   "type": "module",
   "main": "./plugin.js",
   "peerDependencies": {
-    "lighthouse": "^12.8.1"
+    "lighthouse": "^12.8.2"
   },
   "devDependencies": {
     "lighthouse": "^8.6.0"

package.json

@@ -1,7 +1,7 @@
 {
   "name": "lighthouse",
   "type": "module",
-  "version": "12.8.1",
+  "version": "12.8.2",
   "description": "Automated auditing, performance metrics, and best practices for the web.",
   "main": "./core/index.js",
   "bin": {

third-party/devtools-tests/e2e/lighthouse/navigation_test.ts

@@ -94,7 +94,7 @@ describe('Navigation', function() {
     // 1 refresh after auditing to reset state
     assert.strictEqual(numNavigations, 5);
 
-    assert.strictEqual(lhr.lighthouseVersion, '12.8.1');
+    assert.strictEqual(lhr.lighthouseVersion, '12.8.2');
     assert.match(lhr.finalUrl, /^https:\/\/localhost:[0-9]+\/test\/e2e\/resources\/lighthouse\/hello.html/);
 
     assert.strictEqual(lhr.configSettings.throttlingMethod, 'simulate');