diff --git a/changelog.md b/changelog.md
index 883fec4e2969..41bf1ee33f27 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,102 @@
+<a name="5.3.0"></a>
+# 5.3.0 (2019-09-13)
+
+Expected DevTools release in Chrome 79 ([December 2019](https://chromestatus.com/features/schedule))
+
+## New contributors!
+Thanks to our new contributors @alabiaga, @olore, @letanure, and @mfriesenhahn! 
+
+## Core
+* point audit descriptions to new web.dev Lighthouse docs ([#9538](https://github.com/googlechrome/lighthouse/pull/9538), [#9539](https://github.com/googlechrome/lighthouse/pull/9539), [#9084](https://github.com/googlechrome/lighthouse/pull/9084), [#9537](https://github.com/googlechrome/lighthouse/pull/9537))
+* constants: increase default `maxWaitForFcp` to 30s ([#9509](https://github.com/googlechrome/lighthouse/pull/9509))
+* font-size: gather style declaration of type attributes ([#9414](https://github.com/googlechrome/lighthouse/pull/9414))
+* gather-runner: only fail on interstitials interrupting the `mainRecord` ([#9576](https://github.com/googlechrome/lighthouse/pull/9576))
+* lightwallet: add path property to `budget.json` ([#9453](https://github.com/googlechrome/lighthouse/pull/9453))
+* seo: support portuguese in `link-text` audit ([#9446](https://github.com/googlechrome/lighthouse/pull/9446))
+* start-url: stay offline for entirety of `offlinePass` ([#9451](https://github.com/googlechrome/lighthouse/pull/9451))
+* third-party-summary: add blocking-time impact ([#9486](https://github.com/googlechrome/lighthouse/pull/9486))
+* tracehouse: sort trace events by nesting order ([#9230](https://github.com/googlechrome/lighthouse/pull/9230))
+* add `source-maps` gatherer ([#9101](https://github.com/googlechrome/lighthouse/pull/9101))
+* unused-css: allow up to 10KB of unused CSS per file ([#9479](https://github.com/googlechrome/lighthouse/pull/9479))
+
+## CLI
+
+* list audit categories in help text ([#9399](https://github.com/googlechrome/lighthouse/pull/9399))
+
+## Clients
+
+* devtools: fix collapsing-width svg in flexbox ([#9602](https://github.com/googlechrome/lighthouse/pull/9602))
+* devtools: update test command to run only .js files ([#9532](https://github.com/googlechrome/lighthouse/pull/9532))
+* proto: don't filter `channel` from `configSettings` ([#9554](https://github.com/googlechrome/lighthouse/pull/9554))
+* viewer: remove obsolete polyfills ([#9553](https://github.com/googlechrome/lighthouse/pull/9553))
+* proto: update import hooks, obey line length ([#9595](https://github.com/googlechrome/lighthouse/pull/9595))
+
+## Deps
+
+* chrome-launcher: update to 0.11.2 ([#9515](https://github.com/googlechrome/lighthouse/pull/9515))
+* details-element-polyfill: update to 2.4.0 ([#9552](https://github.com/googlechrome/lighthouse/pull/9552))
+* jsonlint-mod: update to 1.7.5 ([#9465](https://github.com/googlechrome/lighthouse/pull/9465))
+* update transitive deps ([#9670](https://github.com/googlechrome/lighthouse/pull/9670))
+
+## Docs
+
+* fix broken plugin example link ([#9524](https://github.com/googlechrome/lighthouse/pull/9524))
+* lightwallet: add link to budget.json repo ([#9579](https://github.com/googlechrome/lighthouse/pull/9579))
+
+## I18n
+
+* import translations from tc/ ([#9577](https://github.com/googlechrome/lighthouse/pull/9577), [#9620](https://github.com/googlechrome/lighthouse/pull/9620), [#9454](https://github.com/googlechrome/lighthouse/pull/9454))
+* add `registerLocaleData()` method ([#9638](https://github.com/googlechrome/lighthouse/pull/9638))
+* rewrite `aria-required-children` titles ([#9590](https://github.com/googlechrome/lighthouse/pull/9590))
+* reword `pwa-page-transitions` description ([#9615](https://github.com/googlechrome/lighthouse/pull/9615))
+* throw on excess placeholder replacement values ([#9580](https://github.com/googlechrome/lighthouse/pull/9580))
+* remove translated messages when ICU arguments change ([#9598](https://github.com/googlechrome/lighthouse/pull/9598))
+* use better types for `intl-messageformat` ([#9570](https://github.com/googlechrome/lighthouse/pull/9570))
+* add code spans to `uses-rel-preconnect` description ([#9568](https://github.com/googlechrome/lighthouse/pull/9568))
+* fix bugs in locale-importing scripts ([#9621](https://github.com/googlechrome/lighthouse/pull/9621))
+* fix custom formatted ICU within plurals ([#9460](https://github.com/googlechrome/lighthouse/pull/9460))
+* capitalize `robots.txt` `displayValue` ([#9567](https://github.com/googlechrome/lighthouse/pull/9567))
+* add link to cldr parentLocales ([#9520](https://github.com/googlechrome/lighthouse/pull/9520))
+* move pwa audits to i18n system ([#9105](https://github.com/googlechrome/lighthouse/pull/9105))
+* use TypeScript compiler to collect `UIStrings` ([#9487](https://github.com/googlechrome/lighthouse/pull/9487))
+* align type names with docs ([#9461](https://github.com/googlechrome/lighthouse/pull/9461))
+* expand placeholder support ([#9114](https://github.com/googlechrome/lighthouse/pull/9114))
+* rewrite `td-headers-attr` titles ([#9587](https://github.com/googlechrome/lighthouse/pull/9587))
+* improve Intl polyfill and use it in Util ([#9584](https://github.com/googlechrome/lighthouse/pull/9584))
+
+## Report
+
+* make dropdown match ARIA action menu button pattern ([#9433](https://github.com/googlechrome/lighthouse/pull/9433))
+* move drop-down logic into a separate class ([#9564](https://github.com/googlechrome/lighthouse/pull/9564))
+* topbar: fix overflowing url ([#9497](https://github.com/googlechrome/lighthouse/pull/9497))
+* viewer: add option for loading from the PSI API ([#9546](https://github.com/googlechrome/lighthouse/pull/9546))
+* viewer: fix favicon typo ([#9629](https://github.com/googlechrome/lighthouse/pull/9629))
+* don't use unnessary monospace ([#9626](https://github.com/googlechrome/lighthouse/pull/9626))
+* remove PWA badge flicker workaround for Chrome ([#9636](https://github.com/googlechrome/lighthouse/pull/9636))
+* add utm params to web.dev links ([#9555](https://github.com/googlechrome/lighthouse/pull/9555))
+* update favicon to new logo ([#9591](https://github.com/googlechrome/lighthouse/pull/9591))
+* render unstyled json (rather than throwing) when LHR contains unknown details type ([#9557](https://github.com/googlechrome/lighthouse/pull/9557))
+
+## Tests
+
+* migrate travis to xenial for modern Chrome support ([#9654](https://github.com/googlechrome/lighthouse/pull/9654))
+* fixtures: use relative path in static server 404 page ([d0e5c58](https://github.com/googlechrome/lighthouse/commit/d0e5c58))
+* report: add `axe-core` validation of report output ([#9421](https://github.com/googlechrome/lighthouse/pull/9421))
+* add index page for static server ([#9541](https://github.com/googlechrome/lighthouse/pull/9541))
+* smokehouse: use mime-types + proper encoding for response write ([#9542](https://github.com/googlechrome/lighthouse/pull/9542))
+* retry cli tests up to 3 times in appveyor ([#9512](https://github.com/googlechrome/lighthouse/pull/9512))
+* simplify serving of zone.js ([#9672](https://github.com/googlechrome/lighthouse/pull/9672))
+
+## Misc
+
+* add comment on diff between `document.write()` audit and intervention ([#9644](https://github.com/googlechrome/lighthouse/pull/9644))
+* refactor `collect-strings` to use `glob` and work on windows ([#9406](https://github.com/googlechrome/lighthouse/pull/9406))
+* trim missed `yarn.lock` cruft & deduplicate dependencies ([#9603](https://github.com/googlechrome/lighthouse/pull/9603), [#9600](https://github.com/googlechrome/lighthouse/pull/9600))
+* replace deprecated `uglify-es` with terser ([#9594](https://github.com/googlechrome/lighthouse/pull/9594))
+* share markdown parsing in collect-strings and the report ([#9514](https://github.com/googlechrome/lighthouse/pull/9514))
+* add note about global.URL in node 10 ([#9449](https://github.com/googlechrome/lighthouse/pull/9449))
+* build: include locale files in devtools roll ([#9639](https://github.com/googlechrome/lighthouse/pull/9639))
+
  <a name="5.2.0"></a>
 # 5.2.0 (2019-07-24)
 
diff --git a/clients/extension/manifest.json b/clients/extension/manifest.json
index 8666e25f3af4..2fabf1b46810 100644
--- a/clients/extension/manifest.json
+++ b/clients/extension/manifest.json
@@ -1,6 +1,6 @@
 {
   "name": "__MSG_appName__",
-  "version": "5.2.0",
+  "version": "5.3.0",
   "minimum_chrome_version": "72",
   "manifest_version": 2,
   "description": "__MSG_appDescription__",
diff --git a/lighthouse-core/test/results/sample_v2.json b/lighthouse-core/test/results/sample_v2.json
index 4a46baa4755d..687313aa6946 100644
--- a/lighthouse-core/test/results/sample_v2.json
+++ b/lighthouse-core/test/results/sample_v2.json
@@ -5,7 +5,7 @@
     "hostUserAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3358.0 Safari/537.36",
     "benchmarkIndex": 1000
   },
-  "lighthouseVersion": "5.2.0",
+  "lighthouseVersion": "5.3.0",
   "fetchTime": "2018-03-13T00:55:45.840Z",
   "requestedUrl": "http://localhost:10200/dobetterweb/dbw_tester.html",
   "finalUrl": "http://localhost:10200/dobetterweb/dbw_tester.html",
diff --git a/package.json b/package.json
index 086e0bfb5b7b..d67fa4f11a11 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lighthouse",
-  "version": "5.2.0",
+  "version": "5.3.0",
   "description": "Lighthouse",
   "main": "./lighthouse-core/index.js",
   "bin": {
diff --git a/proto/sample_v2_round_trip.json b/proto/sample_v2_round_trip.json
index 750498dddfff..6770a14bc37a 100644
--- a/proto/sample_v2_round_trip.json
+++ b/proto/sample_v2_round_trip.json
@@ -3983,7 +3983,7 @@
             "warningHeader": "Warnings: "
         }
     },
-    "lighthouseVersion": "5.2.0",
+    "lighthouseVersion": "5.3.0",
     "requestedUrl": "http://localhost:10200/dobetterweb/dbw_tester.html",
     "runWarnings": [],
     "stackPacks": [