Releases · GoogleChrome/lighthouse

The new performance metric Interaction to Next Paint (INP) assesses responsiveness by measuring the latency of interactions throughout the page lifecycle. INP can be measured using Lighthouse timespan mode accessible through user flows or the new DevTools panel. (#13917)

Core

extract BootupTime task summary methods (#13971)
css-usage: fetch stylesheet contents immediately after discovery (#13887)
installability-errors: add url scheme error (#13846)
installable-manifest: always run InstallabilityErrors in legacy mode (#13622)
responsiveness: use new EventTiming trace event format (#13979)
responsiveness: use raw trace event (#13970)
trace: use tracing-started event for frame tree info (#13913)
trace: add PrePaint event, renamed from UpdateLayerTree (#13950)
trace-processor: ignore navigationStart with falsy document url (#13848)
resolve redirected script records (#13751)
deprecations: drop compat for ConsoleMessages (#13893)
deprecations: hard-code english strings (#13961)

Report

hide disclaimer text in timespan (#13931)
psi: stub out locale swapping (#13885)
report: render notApplicable metrics with double dash (#13981)

Deps

upgrade third-party-web (#13873)
update to third-party-web 0.15.0 (#13804)
axe-core: upgrade to 4.4.1 (#13814)
js-library-detector: upgrade to 6.5.0 (#13969)
lighthouse-stack-packs: upgrade to 1.8.1 (#13862)
snyk: update snyk snapshot (#13823, #13880)
lodash: use individual lodash modules to reduce bundle size (#13914)
puppeteer: upgrade to 13.7.0 (#13657)

Tests

upgrade devtools web tests deps, use python3 (#13782)
update create-test-trace utility (#13942)
rebaseline webtests (#13963)
smoke: remove old chrome version checks (#13903)
smoke: support full chrome version for pruning (#13896)

Assets 2

10 Mar 01:26

connorjclark

v9.5.0

ff52c9d

v9.5.0

Full Changelog

We expect this release to ship in the DevTools of Chrome 101, and to PageSpeed Insights within 2 weeks.

New Contributors

Thanks to our new contributor 👽🐷🐰🐯🐻!

Marc Hassan @mhassan1

Core

full-page-screenshot: leave emulated width unchanged (#13643)
inspector-issues: update sameSiteCookie to cookie (#13708)
script-treemap-data: correct value for size (#13716)
lighthouse-logger: convert to ES modules (#13720)

⛏️👷 Fraggle Rock

Support for auditing user flows (#11313)

separate audit phase for flows (#13623)
use frame url in gather context (#13699)
add logLevel to config context (#13681)
user-flow: audit flow from artifacts json (#13715)

Report

fix timespan/snapshot sticky header (#13732)

Deps

lodash: replace lodash per-method packages with full lodash (#13695)
snyk: update snyk snapshot (#13731 #13712)

Clients

convert devtools and lightrider entries to ES modules (#13722)

Tests

add more cases for oopif smoke test (#13705)
devtools: add yarn install timeout (#13717)
devtools: update Lighthouse sniffer for smokes (#13693)
devtools: navigation web test (#13673)
smoke: enable more devtools smoke tests (#13624)
smoke: add _excludes and _runner (#13707)

Misc

support --chrome-flags in run devtools script (#13625)

Contributors

mhassan1

Assets 2

17 Feb 00:56

adamraine

v9.4.0

e3fdffc

v9.4.0

Full Changelog

We expect this release to ship in the DevTools of Chrome 100, and to PageSpeed Insights within 2 weeks.

Notable Changes

Allow auditing of navigations triggered by user interactions in user flows. See our user flow docs for more info. (#13496)

Core

a11y: change link in category description to web.dev (#13638)
full-page-screenshot: wait for doubleraf, network quiet (#13663)
hreflang: remove eval, import axe valid-langs.js directly (#13385)
inputs: refactor form-elements gatherer (#13662, #13671)
page-functions: set style in getOuterHTMLSnippet without violating CSP (#13636)
runner: independent gather and audit functions (#13569)
uses-long-cache-ttl: ignore stale-while-revalidate (#13612)

Report

add options onPrintOverride and onSaveFileOverride (#13529)
add options disableFireworks and disableDarkMode (#13649)
add onViewTrace to renderer options (#13528)
remove pausing fireworks on click (#13650)
fix fireworks (#13635)

Deps

sentry: move from raven to @sentry/node (#9325)
snyk: update snyk snapshot (#13669, #13644, #13616)

Tests

use simpler assertion in report-renderer-axe-test.js (#13658)
fix single node a11y tests (#13626)
devtools: sync (#13656)
devtools: update report resource names (#13615)
smoke: test array _includes and lhr.timing (#13619)

Misc

temporarily remove brendan from triage rotation (#13618)

Assets 2

31 Jan 22:46

adamraine

v9.3.1

fcd5dfb

v9.3.1

Full Changelog

Report

disable fireworks with flag (#13610)

Assets 2

31 Jan 17:11

connorjclark

v9.3.0

cad7442

v9.3.0

Full Changelog

We expect this release to ship in the DevTools of Chrome 100, and to PageSpeed Insights within 2 weeks.

Notable Changes

Fixed a major bug introduced in 9.0 that broke --cli-flags-path #13589

Core

preload-lcp-image: enable audit (#13599)
ensure good and average scores start exactly at control points (#13559)
fr: don't throw on unknown --only-categories value (#13499)
inspector-issues: collect all issue types (#13462, #13603, #13595)
object-alt: remove md syntax around "alt" (#13517)
runner: asset manager helper (#13519)

CLI

remove update-notifier (#13588)
asset-saver: end devtoolsLog with a newline (#13566)

Report

allow client to configure how save-html is implemented (#13518)

Deps

update various runtime deps (#13483)
update various devDeps (#13485)
update robots-parser to latest (#13554)
update transitive deps to quiet vulnerability alerts (#13538)
lighthouse-stack-packs: upgrade to 1.7.0 (#13604)
snyk: update snyk snapshot (#13498, #13598)
yargs: upgrade to 17.3.1 (#13590)
yargs-parser: upgrade to 21.0.0 (#13597)

Clients

use minimal 'url' polyfil instead of url-shim (#13545)
devtools: add FR runners to DevTools entry (#13593)

I18n

import (#13602)

Docs

update devtools panel throttling details (#13504)

Tests

add snapshot tests for cli-flags.js (#13596)
tweak some CI job names for clarity (#13549)
split devtools ci into build, web-tests and smoke jobs (#13546)
more targeted caching for devtools build (#13540)
run most smoke tests on devtools (#13456)
clean up and add comments to cdt layout test scripts (#13471)
devtools: ensure WebSQL table is populated (#13579)

Assets 2

16 Dec 20:24

adamraine

v9.2.0

7bda3f3

v9.2.0

Full Changelog

We expect this release to ship in the DevTools of Chrome 99, and to PageSpeed Insights within 2 weeks.

Notable Changes

move no-unload-listeners to perf category (#13497)

Core

font-size: fix CSS selector regex (#13455)
fcp: handle negative request endTime (#13452)
legacy-javascript: update polyfilling, drop some signals (#13482, #13442)
cache fetch to avoid bad polyfills (#13476)
check equality of computed artifacts using dependency keys (#13430)

⛏️👷 Fraggle Rock

Support for auditing user flows (#11313)

compute timespan saving with observed throughput (#13478)
option to skip about:blank jumps (#13375)

Report

psi: update styles for tighter fit in narrow viewports (#13355)

Deps

bump eslint and related items (#13484)
axe-core: upgrade to 4.3.5 (#13441)

Tests

smoke: fix chromestatus url (#13475)
split smoke tests into one test per file (#13461)
fix devtools build command (#13457)
move sharding higher so smokehouse-bundle can also shard (#13387)
port axe test to pptr (#13450)

Misc

build: build test flow report to same path as sample-reports (#13324)
treemap: add lang to html tag (#13454)

Assets 2

25 Nov 00:11

connorjclark

v9.1.0

8100b80

v9.1.0

Full Changelog

We expect this release to ship in the DevTools of Chrome 98, and to PageSpeed Insights within 2 weeks.

New Contributors

Thanks to our new contributors 👽🐷🐰🐯🐻!

@whitep4nth3r
Adam Read @adamread

Notable Changes

If using Next.js, you will now see advice specific to it in some audits (#13424)

Core

canonical: remove cross-origin check (#13412)
add original location to most usages of source-location (#13393)
mindfully order properties in the lhr (#13418)
ensure log-normal score is always in correct range (#13392)
installable-manifest: pipeline-restarted check (#13365)

Report

remove margin when saving html in standalone report (#13409)
consistent red display text (#13391)
treemap: correct percentages when 0 bytes JS (#13382)

⛏️👷 Fraggle Rock

Support for auditing user flows (#11313)

rebaseline sample (#13358)
report api (#13374)

Deps

remove browserify (#13417)
update to typescript 4.5 (#13399)
snyk: update snyk snapshot (#13388)

Clients

devtools: remove report.css (#13377)
viewer: add support for flow reports (#13260)

I18n

import (#13427)

Docs

example to save flow as json (#13415)
throttling: clarify throttle npm name (#13371)

Tests

fix undefined HTMLInputElement in bundle-test (#13421)
make inline-fs-test not reliant on cwd (#13420)
increase timeout for axe test (#13386)

Misc

build: replace browserify with rollup (#13416, #13406, #13407, #13408)
build: prevent over optimization of computeBenchmarkIndex (#13366)
treemap: remove postMessage. refactor options input (#13356)

Contributors

adamread and whitep4nth3r

Assets 2

16 Nov 00:01

connorjclark

v9.0.0

763bb63

v9.0.0

Full Changelog

We expect this release to ship in the DevTools of Chrome 98. It is already live in the new PageSpeed Insights.

See the What's new in Lighthouse 9.0 blog post. Continue for the changelog.

New Contributors

Thanks to our new contributors 👽🐷🐰🐯🐻!

Sergii Bondarenko @BR0kEN-
Prerana Nawar @prerana1821

Notable Changes

[BREAKING] move to minimum Node 14 (#13243)
a11y: add relatedNodes to accessibility audits (#13193)

Removed Audits

[BREAKING] appcache-manifest: remove audit (#13287)
[BREAKING] external-anchors-use-rel-noopener: remove audit (#13298)
[BREAKING] remove the redirect pass and redirects-http audit (#12643)

Preview: Audit User Flows

Lighthouse now offers auditing user flows, scripted with Puppeteer, via the Node CLI. This means you can now audit a page beyond its initial load. See the Lighthouse user flows blog post for more.

Core

fix launching chrome in node 17 (#13301)
reduce image hotlinking in the report (#13185)
emulation: set client-hints metadata when spoofing the UA (#13341)
emulation: bump chrome version to m98 (#13340)
config: use abbreviation for pwa category title (#13270)
deprecations: use inspector issues (#13342)
avoid fatal errors when collecting base artifacts (#13312)
[BREAKING] errors-in-console: remove url property from items (#13286)
[BREAKING] image-size-responsive: remove elidedUrl, elide url property instead (#13226)
[BREAKING] image-elements: remove mimeType from artifact (#13265)

Report

introduce the new report api, add dom.rootEl (#13277, #13279, #13361)
make denser. changes to typography, group descriptions, more (#13249)
display final screenshot prominently (#13123)
redesign runtime settings (#13125, #13350)
help-dialog: remove timespan SEO (#13354)
order metrics by row (#13328)
sort audits by weight (#13053)
translate newly added report strings (#13308)
[BREAKING] group perf audits by details type. change the meaning of an audit whose group is not defined–before no group implied an audit would not be renderered, but now an explicit hidden group is used (#13241, #13310)
[BREAKING] pwa: remove renderScoreGauge, replaced with renderCategoryScore (#13269)

⛏️👷 Fraggle Rock

Support for auditing user flows (#11313)

handle 0 throughput in timespan (#13323)
clone default categories to avoid modification (#13337)
add timespan support to h2 (#12814)
report: remove smooth scrolling (#13317)
report: network throttling settings (#13305)
report: use filmstrip thumbnail in navigation (#13283)
report: fix report anchors (#13233)
report: full page screenshot renderer (#13276)
report: category tooltip highest impact (#13230)
report: import lhr strings (#13215)
report: i18n formatter (#13190)
report: mock styles (#13220)

Deps

bump lighthouse-plugin-publisher-ads (#13339)
deps: update chrome-launcher to 0.15.0 (#13353)

Clients

devtools: only use locales that have locale files to download (#13214)
psi: retire prepareLabData, reuse standard report rendering (#13229)

I18n

import (#13360)
add better support for the default locale in bundles (#13211)

Tests

eslint: add export rule (#13282)
longer timeout for installability errors check (#13297)
ignore .tmp directory in jest modules (#13285)
add cdt folders to devtools test cache buster (#13268)
update devtools default branch to 'main' (#13266)
ci tests should include all files (#13235)
report: throw on axe error (#13234)
flow: puppeteer test (#13281)

Misc

publish: include the report bundle in npm package (#13349)
build: create inline-fs rollup plugin to replace brfs (#13232, #13240, #13248, #13272, #13275, #13278, #13280)
build: use rollup to build lighthouse-core bundles (#12771)
build: call close method on rollup builds (#13307)
build: use prepack script to build report (#13261)
build: do not assign runBundledLighthouse in devtools bundle (#13311)
build: use cross platform sed for devtools script (#13242)
preserve error stack when using promise timeout (#13333)
support old devtools in yarn run-devtools (#13284)
add report bundles to nightly build (#13222)
rename lighthouse-treemap to treemap (#13246)
rename lighthouse-viewer to viewer (#13247)
simplify release process, run package-test in CI (#13212)
add os to bug report template (#13245)
proto: add throttling and throttling_method (#13309)
revert missing bundle tests (#13289)
fix typo (#13224)

Contributors

BR0kEN- and prerana1821

Assets 2

Releases: GoogleChrome/lighthouse

v9.6.2

Core

Report

Clients

Tests

Misc

v9.6.1

Core

Report

Tests

v9.6.0

New Audits

Core

Report

Deps

Tests

v9.5.0

New Contributors

Core

⛏️👷 Fraggle Rock

Report

Deps

Clients

Tests

Misc

Contributors

v9.4.0

Notable Changes

Core

Report

Deps

Tests

Misc

v9.3.1

Report

v9.3.0

Notable Changes

Core

CLI

Report

Deps

Clients

I18n

Docs

Tests

v9.2.0

Notable Changes

Core

⛏️👷 Fraggle Rock

Report

Deps

Tests

Misc

v9.1.0

New Contributors

Notable Changes

Core

Report

⛏️👷 Fraggle Rock

Deps

Clients

I18n

Docs

Tests

Misc

Contributors

v9.0.0

New Contributors

Notable Changes

Removed Audits

Preview: Audit User Flows

Core

Report

⛏️👷 Fraggle Rock

Deps

Clients

I18n

Tests

Misc