diff --git a/changelog.md b/changelog.md
index 1c96156e7b89..98423da0cdcd 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,35 @@
+
+# 12.2.0 (2024-08-07)
+[Full Changelog](https://github.com/GoogleChrome/lighthouse/compare/v12.1.0...v12.2.0)
+
+We expect this release to ship in the DevTools of [Chrome 129](https://chromiumdash.appspot.com/schedule), and to PageSpeed Insights within 2 weeks.
+
+## Core
+
+* import lantern from trace engine ([#16092](https://github.com/GoogleChrome/lighthouse/pull/16092))
+* long-tasks: link to latest guidance ([#16138](https://github.com/GoogleChrome/lighthouse/pull/16138))
+* stylesheets: disable transient stylesheet detection ([#16121](https://github.com/GoogleChrome/lighthouse/pull/16121))
+* third-party-summary: correct blocking time calculation ([#16117](https://github.com/GoogleChrome/lighthouse/pull/16117))
+* trace-engine-result: disable invalidations handler ([#16142](https://github.com/GoogleChrome/lighthouse/pull/16142))
+
+## Deps
+
+* upgrade `trace_engine` to 0.0.32 ([#16143](https://github.com/GoogleChrome/lighthouse/pull/16143))
+* upgrade puppeteer to 22.15.0 ([#16139](https://github.com/GoogleChrome/lighthouse/pull/16139))
+* upgrade `third-party-web` to 0.24.5 ([#16140](https://github.com/GoogleChrome/lighthouse/pull/16140))
+* upgrade puppeteer to 22.13.1 ([#16123](https://github.com/GoogleChrome/lighthouse/pull/16123))
+* upgrade typescript to 5.5.3 ([#16091](https://github.com/GoogleChrome/lighthouse/pull/16091))
+
+## Tests
+
+* devtools: sync e2e ([#16120](https://github.com/GoogleChrome/lighthouse/pull/16120))
+* treemap: ignore cookie deprecation error ([#16141](https://github.com/GoogleChrome/lighthouse/pull/16141))
+
+## Misc
+
+* remove alertdesk from README ([#16133](https://github.com/GoogleChrome/lighthouse/pull/16133))
+* build: update README.chromium when rolling devtools ([#16144](https://github.com/GoogleChrome/lighthouse/pull/16144))
+
# 12.1.0 (2024-06-18)
[Full Changelog](https://github.com/GoogleChrome/lighthouse/compare/v12.0.0...v12.1.0)
diff --git a/core/test/fixtures/user-flows/reports/sample-flow-result.json b/core/test/fixtures/user-flows/reports/sample-flow-result.json
index 51e19049c4f9..959a4fd1ba42 100644
--- a/core/test/fixtures/user-flows/reports/sample-flow-result.json
+++ b/core/test/fixtures/user-flows/reports/sample-flow-result.json
@@ -2,7 +2,7 @@
"steps": [
{
"lhr": {
- "lighthouseVersion": "12.1.0",
+ "lighthouseVersion": "12.2.0",
"requestedUrl": "https://www.mikescerealshack.co/",
"mainDocumentUrl": "https://www.mikescerealshack.co/",
"finalDisplayedUrl": "https://www.mikescerealshack.co/",
@@ -8335,7 +8335,7 @@
},
{
"lhr": {
- "lighthouseVersion": "12.1.0",
+ "lighthouseVersion": "12.2.0",
"finalDisplayedUrl": "https://www.mikescerealshack.co/search?q=call+of+duty",
"fetchTime": "2024-04-18T17:03:07.290Z",
"gatherMode": "timespan",
@@ -12298,7 +12298,7 @@
},
{
"lhr": {
- "lighthouseVersion": "12.1.0",
+ "lighthouseVersion": "12.2.0",
"finalDisplayedUrl": "https://www.mikescerealshack.co/search?q=call+of+duty",
"fetchTime": "2024-04-18T17:03:17.899Z",
"gatherMode": "snapshot",
@@ -17694,7 +17694,7 @@
},
{
"lhr": {
- "lighthouseVersion": "12.1.0",
+ "lighthouseVersion": "12.2.0",
"requestedUrl": "https://www.mikescerealshack.co/corrections",
"mainDocumentUrl": "https://www.mikescerealshack.co/corrections",
"finalDisplayedUrl": "https://www.mikescerealshack.co/corrections",
diff --git a/core/test/results/sample_v2.json b/core/test/results/sample_v2.json
index b4a17eb022e0..daa2b9ad4fae 100644
--- a/core/test/results/sample_v2.json
+++ b/core/test/results/sample_v2.json
@@ -1,5 +1,5 @@
{
- "lighthouseVersion": "12.1.0",
+ "lighthouseVersion": "12.2.0",
"requestedUrl": "http://localhost:10200/dobetterweb/dbw_tester.html",
"mainDocumentUrl": "http://localhost:10200/dobetterweb/dbw_tester.html",
"finalDisplayedUrl": "http://localhost:10200/dobetterweb/dbw_tester.html",
diff --git a/docs/plugins.md b/docs/plugins.md
index d490cb0f7d19..ed23ac2c3a3c 100644
--- a/docs/plugins.md
+++ b/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": "^12.1.0"
+ "lighthouse": "^12.2.0"
},
"devDependencies": {
- "lighthouse": "^12.1.0"
+ "lighthouse": "^12.2.0"
}
}
```
diff --git a/docs/recipes/lighthouse-plugin-example/package.json b/docs/recipes/lighthouse-plugin-example/package.json
index d37c0949e643..0eab97f57964 100644
--- a/docs/recipes/lighthouse-plugin-example/package.json
+++ b/docs/recipes/lighthouse-plugin-example/package.json
@@ -4,7 +4,7 @@
"type": "module",
"main": "./plugin.js",
"peerDependencies": {
- "lighthouse": "^12.1.0"
+ "lighthouse": "^12.2.0"
},
"devDependencies": {
"lighthouse": "^8.6.0"
diff --git a/package.json b/package.json
index eca0dcd389e4..13c0f46a1dd9 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
{
"name": "lighthouse",
"type": "module",
- "version": "12.1.0",
+ "version": "12.2.0",
"description": "Automated auditing, performance metrics, and best practices for the web.",
"main": "./core/index.js",
"bin": {
diff --git a/third-party/devtools-tests/e2e/lighthouse/navigation_test.ts b/third-party/devtools-tests/e2e/lighthouse/navigation_test.ts
index ce347ef8cf65..28cad565112b 100644
--- a/third-party/devtools-tests/e2e/lighthouse/navigation_test.ts
+++ b/third-party/devtools-tests/e2e/lighthouse/navigation_test.ts
@@ -95,7 +95,7 @@ describe('Navigation', function() {
// 1 refresh after auditing to reset state
assert.strictEqual(numNavigations, 5);
- assert.strictEqual(lhr.lighthouseVersion, '12.1.0');
+ assert.strictEqual(lhr.lighthouseVersion, '12.2.0');
assert.match(lhr.finalUrl, /^https:\/\/localhost:[0-9]+\/test\/e2e\/resources\/lighthouse\/hello.html/);
assert.strictEqual(lhr.configSettings.throttlingMethod, 'simulate');