Releases · GoogleChrome/lighthouse

A bevy of bug fixes and performance improvements.
A special reward for getting a perfect score.
A new layout for the PWA category, emphasizing speed, installability, and polish.

Breaking changes

New PWA category, organization, and scoring (#6395)
- the PWA section of the report has a set of badges instead of a numeric score gauge (#6526, #6670)
- the webapp-install-banner audit is now installable-manifest (#6630)
- the offline check formerly in webapp-install-banner is the new audit offline-start-url (#6397)
audits' scoreDisplayMode 'not-applicable' is now 'notApplicable' (#6783)
no-websql audit removed due to performance cost (#6293)
speed-index scoring now scales based on throttling (#7007)
empty children arrays are now removed from critical-request-chain audit result (#6211)
the correct Nexus 5X screen height of 660 now used instead of 732 (#6932)
throttling constants under mobile3G renamed to the more accurate mobileSlow4G with no change in values (#6163)
typescript definition files are now located under types/ (#6617)
computed artifact files are now located under lighthouse-core/computed/ (#6618)

Full Changelog (in addition to the changes in 4.0.0-beta, 4.0.0-alpha.1, and 4.0.0-alpha.0)

Core

config: reorder categories to match new score gauge order (#6848)
driver: handle navigation rejections within Driver.gotoURL (#6739)
driver: exit early when testing page with insecure certificate (#6608)
driver: waitForFCP when tracing (#6944)
handle invalid network timing data (#6780)
fix usesObjectFit property for ImageElement (#6761)
fonts: resolve URLs relative to stylesheet (#6782)
lantern: remove unnecessary sort calls (#6900)
lantern: drop node id from error message (#6774)
minification: properly handle regex character classes (#6745)
preconnect: add warning if preconnect link is not used (#6694)
preload: warn when duplicate requests issued (#6849)
scoreDisplayMode: change 'not-applicable' to 'notApplicable' (#6783)
service-worker: check that start_url is within SW's scope (#6678)
speedindex: scale scoring coefficients based on throttling (#7007)
tap-targets: helper functions for working with ClientRects (#6703)
url: add intent protocol to NON_NETWORK_PROTOCOLS (#6711)
user-timings: move into computed artifact (#6719)
change displayValue to be string only (#6767)
add type checking to pwmetrics-events (#6980)
stricter LR-desktop metric scoring (#6969)
in-page functions refactor (#6702)

Deps

update axe-core to latest (#7020)
update details-element-polyfill to 2.2.0 (#6928)
update tsc to 3.2.2 (#6684)
snyk: update snyk snapshot (#6888, #6842)

Docs

readme: add speedrank to integrations list (#6987)
readme: added simple guidance on install options (#6810)
configuration.md: update link to pwmetrics (#6816)
scoring: update TTI references (#6865)
--help: use HTTPS link to bit.ly/chrome-flags (#6692)
ask people to test a11y issues upstream first (#6764)

Extension

return runnerResult from runLighthouseInExtension() (#6839)

I18n

localize LighthouseError messages (#6457, #6812)

Report

pwa: add tooltip to badge gauge (#6689)
add top-level section for passed audits that had warnings (#6989)
celebrate all 100s (#5455)
expand groups within "Passed Audits" by default (#6930)
fix margin on score gauge wrappers (#6948, #6972)
support narrow screens (#6857)
larger margins for audit group summaries (#6688)
clean up more clump/group/expandable cruft (#6982)

Tests

smokehouse: assert errorCode in expectations (#6851)
smokehouse: use node's native URLSearchParams (#6929)
add type checking to cli/tests/ (#6874)
report: restore old, disabled failed grouping test (#7006)

Misc

descriptions: more accurate metric descriptions (#6508)
emulation: use correct Nexus 5X screen size (#6932)
snyk: only keep vuln data for detectable libs (#6919)
clean up local names within Config (#6950)

Assets 2

11 Dec 22:20

paulirish

v4.0.0-beta

9f58eb4

4.0.0-beta (2018-11-29) Pre-release

Pre-release

Full Changelog

Core

service-worker: check that test page is in SW scope (#6609)
throw fatally on page hang (#6497)
define new DNS failure LH Error (#6579)
assert securityIssues before getPageLoadError (#6578)
remove protocol timeout for Page.navigate (#6413)
rename webapp-install-banner audit to installable-manifest (#6630)
computed-artifacts: fix cache and add perf timing (#6619)

Report

add PWA category badge gauge (#6526, #6670)
give passed-opportunities group an icon (#6594)
safari: fix dropdown overlap translateZ (#6546)
use details-element-polyfill from node_modules (#6593, #6607)

CLI

exit and kill Chrome on unhandledRejection (#6394)

Tests

add smoketest for slow service worker (#6648)

Misc

tsc: infer dom.createElement type from tag name (#6637)
rename core/gather/computed/ to core/computed/ (#6618)
rename typings/ to types/ (#6617)
bump extension version (#6569)

Assets 2

16 Nov 00:08

paulirish

v4.0.0-alpha.2-3.2.1

34f3326

v4.0.0-alpha.2-3.2.1 Pre-release

Pre-release

We accidentally published an alpha release to NPM without the @next publish tag as v4.0.0-alpha.1.

This new release (v4.0.0-alpha.2-3.2.1) is just a republish of our latest stable v3.2.1, to fix the bug for anyone using lighthouse@latest.

Assets 2

16 Nov 00:06

paulirish

v4.0.0-alpha.1

6610036

4.0.0-alpha.1 (2018-11-15) Pre-release

Pre-release

Warning: This release was accidentally published to NPM without the @next publish tag. To address this, the stable v3.2.1 release was republished as v4.0.0-alpha.2-3.2.1. Sorry y'all.

Full Changelog

Core

skip h2 audit in LR (#6564)
config: faster category validation (#6445)
driver: wait for Page.frameNavigated for about:blank (#6446)
lib: add chrome-extension to URL allowedProtocols and add test (#6447)
pwa: audit and report group renames (#6494)
seo: properly handle anchors in SVG (#6483)
increase protocol timeout to 30s (#6505, #6531)

Report

pwa: give badges to groups with all passing audits (#6504)
pwa: add pwa-category-renderer (#6486)
compat: add details-element polyfill for Edge (#6465)
compat: fix support for edge (#6459)
compat: ignore Edge's Invalid Argument error (#6456)
compat: fix summary rendering in FF (#6448)
handle underscored not_applicable scoreDisplayMode (#6549)
css: make performance category more compact (#6437)
rename clump classes; give classes to all audit groups (#6482)
refactor rendering of top-level failed/passing/etc clumps (#6460)

Misc

build: fix viewer deploy (#6449)
timing: move timing-trace to async events (#6440)
update puppeteer to version 1.10.0 (#6493)
readme: use official appveyor badge (#6443)
i18n: convert accessibility audits (#6229)

Assets 2

01 Nov 19:47

connorjclark

4.0.0-alpha.0

40e1120

4.0.0-alpha.0 (2018-10-31) Pre-release

Pre-release

Full Changelog

New Contributors!

Thanks to @carlesnunez and @justin0022 for their first contributions!

Thanks to @CodeDem for improving how the image-aspect-ratio audit handles small images!

Huge thanks to myself (@hoten) for joining Lighthouse! Go me!

New Audits

offline-start-url (#6397)

Core

aspectratio: ignore placeholder images (#6305)
audit: add utm parameters when calling snyk (#6172)
audits: clarify diff between load-fast-enough-for-pwa's TTI and perf TTI (#6286)
axe: disable unused audits (#6180)
computed: fix new computed artifact interface (#6151)
config: add new PWA category groups (#6396)
critical-request-chain: remove empty children from LHR (#6211)
driver: save performance.now() to avoid conflict (#6387)
driver: request smaller trace in m71+ (#6117)
driver: stringify protocol error messages (#6302)
driver: address bckenny feedback on #6117 (#6285)
driver: reduce required traceCategories again (54baf91)
driver: recover from rejection on handleJavaScriptDialog (#6327)
emulation: fix missing space in mobile UA (#6161)
icons: defer to manifest-icon type hint for image type (#6230)
network: handle invalid NetworkRequests (#6157)
network-analyzer: move throughput to NetworkAnalyzer (#5900)
perf: add timing instrumentation to measure runtime perf (#3745)
proto: add proto definition for LHR (#6183)
simulator: start nodes in observed order (#5362)
unminified-javascript: replace esprima with custom tokenizer (#5925)
remove recoverOrThrow / err.fatal (#6343)
convert computed artifact loading to regular require() (#6204)
remove no-websql audit (#6293)
bail on run if insecure ssl certification (#6300)
make throttled offscreen-images work without TTI (#6039)
save HTMLElement.p.matches function to avoid conflict (#6283)
remove fonts gatherer, move font-display to use CSSUsage artifact (#6166)
remove last dependency on WebInspector (#6209)
add timeout to all protocol commands (#6347)
don't load blank page twice in first pass (#6369)
refactor finding of trace start (#6370)
increase Page.navigate timeout (#6412)

Report

fix tooltip hover animation (#6288)
reframe Fast 3G as Slow 4G (#6163)
fix html report viewing bugs for Safari (#6143)
dom-size: right-align the value column (#6372)

Clients

simplify viewer build process (#6426)
reorganize file structure and build process (#6344)
build: ignore all locales from devtools & extension build (#6170)
lr: skip early emulation now that lr-desktop is defined (#6158)
split browserifying and extension packaging into separate scripts (#6295)
simplify bundle building (#6282)
stop report bug prompt for file:// urls (#6278)

Deps

update typescript to latest patch release (#6235)
update to tsc 3.1.1 (#6126)
jsdom: upgrade to support Element.prototype.closest (#6411)
snyk: update snyk snapshot (#6377)

Docs

contributing: consistent capitalization (#6174)
new-audits: revise issue template (#6233)
readme: Add new related project, lighthouse-github-reporter (#6307)
readme: change image references be commit hash raw gh urls (#6116)
add primer on viewing the timing data (#6393)
typo fix (#6335)
Remove "sh" format for CLI --help output (#6311)
update docs for --output-path re: multiple output types (#6339)

I18n

roll latest messages from TC (#6388)
update test for new canonical locale codes (#6360)

Tests

use predictable numbers in golden LHR (#6404)
add basic sentry tests (#6308)
restore lr-entry test (#6214)
remove more mock computed artifacts (#6195)
add trace creator (#6196)
add networkRecord-to-devtoolsLog mocking utility (#6171)
add angular test for JS minification (#6138)
run node 10 on Travis (#6361)

Misc

tweaks for devtools client (#6127)
simplify proto npm scripts (#6406)
add cli module diagram (#6129)
keep download-chrome script in npm package (#6153)
lantern script path resolution fix (#6380)
add integrity data to yarn.lock (#6212)
add yarn integrity hashes for extension/viewer (#6277)
only allow 1 error from each audit/gatherer (#6215)
Revert "core(driver): stringify protocol error messages (#6302)" (#6328)
fix typo in feature request template (#6431)
remove plots/ (#6346)
build: cleanup extension package zip using gulp (#6210)
build: rename bundled files (devtools/ext/lr) (#6179)
eslint: enforce infix-op spacing (#6382)
logger: isVerbose(), getTimeEntries() (#6383)
logging: add hanging request logging in driver (#6297)
proto: made default LighthouseError enum 'UNDEFINED' (#6334)
proto: align proto whitespace (#6374)
proto: convert int32's into DoubleValue in proto (#6332)
proto: adjust configSetting.output in preprocessor (#6310)
proto: add audit_mode and timings (#6363)
proto: fix linting and add LR hook ([#6373](...

Assets 2

01 Oct 17:46

paulirish

v3.2.1

3c03e2c

3.2.1 (2018-10-01)

Full Changelog

Core

await js-libraries detection to fix Workbox always showing up (#6141)
emulation: set desktop viewport to 1350x940 (#6131)

Assets 2

27 Sep 01:34

paulirish

v3.2.0

081864e

3.2.0 (2018-09-26)

Full Changelog

New Audits

add js-libraries audit, just listing detected js libs (#6081)

Faster

driver: deliver trace as events rather than a stream (#6056)
network-recorder: consider iframe responses finished. helps avoid pageload timeout (#6078)
replace WebInspector traceparser with native JSON.parse (#6099)

Core

add emulatedFormFactor setting (#6098)
remove some trivial uses of WebInspector (#6090)
use cssstyle to parse CSS colors instead of WebInspector (#6091)
initial refactor of computedArtifact import/caching (#5907)
asset-saver: stop creating screenshot files during --save-assets (#6066)
content-width: not applicable on desktop (#5893)
driver: add check to make sure Runtime.evaluate result exists (#6089)
icons: Add PNG check to manifest icon validation (#6024)
lhr: add top-level runtimeError (#6014)
- gather-runner: include error status codes in pageLoadError (#6051)
- smooth rough edges of pageLoadError display and reporting (#6083)
net-request: transferSize now shared via 'X-TotalFetchedSize' (#6050)
don't allow analysis of file:// urls (#5936)

Report

dont show zero ms savings in preconnect, preload audits (#5983)
align table headings & columns left/right (#6063)
audit: make dom-size table prettier (#6065)
cursor:pointer on Passed Audits, etc (#5977)
psi: remove redundant varience disclaimer (#6110)
util: ✅ audits should be in Passed Audits (#5963)
vulnerable-jslibs: tweak snyk link for highlighted matches (#6096)
xbrowser: replace Typed OM getComputedStyle() with CSSOM equivalent (#5984)

CLI

add --print-config flag (#6107)

Deps

snyk: update snyk snapshot (#6074)
[email protected] (#6106)
[email protected] (#6102)
[email protected] (faster sort) (#6073)
chrome-devtools-frontend@latest (#6101)

Docs

readme: add lighthouse4u (#6008)
readme: updated report screenshot to 3.1.0 (#6042)
readme: add lighthouse-badges to related projects (#5969)
recipes: update custom-audit package.json (#6007)
releasing: minor updates (#5345)

i18n

roll latest strings from TC (#6109)
mv locale files (#5981)
speed up replacement regex (#6072)

Misc

bump bundlesize threshold a little more (#6055)
runner: added locale to settings that can change between -G and -A (#6080)
tsc: add type checking to sentry usage (#5993)

Assets 2

07 Sep 18:14

paulirish

v3.1.1

44dcc5d

v3.1.1

Full Changelog

update report score legend to match 3.1.0's updated color buckets (#5985)

Assets 2

06 Sep 22:42

paulirish

v3.1.0

6d6b3b6

v3.1.0

Full Changelog since previous release

New Contributors!

Huge thanks to @midzer and @justinribeiro for being so darn helpful. Great stuff. :D

And thanks to @mettamatt for some helpful documentation. Who doesn't love better docs?! @kenguest also fixed up our grammar. 👍

Notable changes

red/orange/green color buckets for scores are tougher now. (#5831)

	Previously	Now
Red (bad)	0-44	0-49
Orange (average)	45-74	50-89
Green (good)	75-100	90-100

Scoring itself hasn't changed; only what color is used to decorate a score.

trace-processor: fix bug where top-level events weren't being found in the trace (#5841)

Core

normalize URL before checking equality (#5960)
expose LighthouseRunWarnings on audit context (#5684)
adjust audit titles for consistency (#5717)
export any page-functions as string (#5902)
all ByteEfficiency audits require a trace (#5840)
enhanced noopener output (#5857)
errors: class rename and re-source page load errors (#5972)
fix defaultConfig UIStrings and exit code for test (#5884)
remove last debugString references (#5856)
redirects: update redirects to use OpportunityDetails (#5791)
warn when extensions affected perf (#5666)
driver: handle when page redefines global.URL (#5748)
gather-runner: call clearDataForOrigin on teardown (#5933)
lhr: expose environment info (#5871)
lr: add LR presets for desktop and mobile (#5886)
lr: drop maxWaitForLoad 45 -> 35 (#5938)
network: handle LR transferSize (#5895)
network-analyzer: infer RTT from receiveHeadersEnd (#5694)
optimized-images: support non-standard mime types (#5688)
preload: remove CRC dependency (#5901)
screenshot-thumbnails: improve caching (#5976)
ttfb: reuse requestMainResource (#5657)
trace-of-tab: only use navstart of chrome/http documents (#5917)
tracing-processor: throw on no top level events (#5878)
uses-long-cache-ttl: handle multiple cache-control headers (#5745)

Extension

access core through module instead of Runner (#5855)
tweak runLighthouseAsInCLI jsdoc (#5812)
refactor option/flag passing (#5769)
remove X-UA-Compatible meta (#5739)
popup: keep feedback class (#5872)

i18n

add i18n 'type' for prlint (#5880)
minor message and description changes based on translator feedback (#5829)
reframe the ICU message descriptions with placeholders (#5737)
export rendererFormattedStrings (#5713)
extract performance category strings to UIStrings (#5716)
always use english for status logs (#5727)
add 'ln' locale which maps to 'fr' (#5879)
support descriptions (#5718)
add [ICU Syntax] label to relevant message descriptions (#5736)
import psuedo-locale json from TC (#5726)
incorporate 52 languages into messages pipeline (#5781)
add descriptions to UI strings (#5743)
add strings of the opportunity group split (first paint, overall) (#5744)
add locale fallback when language not supported (#5746)
localize strings at end of run (#5655)
always use formatted strings for extension popup (#5761)
add strings for user timing entries table (#5806)
sort the ICU messages when saved (#5771)
roll latest TC messages (#5802)
add localized messages for 52 locales (#5780)
add assertion script (#5686)
report: use LHR locale for toLocaleString (#5734)
report: localize CRC renderer strings (#5730)

Types

don't use index signature in LHErrors (#5896)
type check config files (#5858)
don't use index signature in simulator.js (#5897)
update debugger protocol type checking (#5836)
remove more reliance on implicit index signatures (#5874)
update types in emulation.js (#5830)
tighten traceOfTab timing types (#5887)
update to ts 3.1 to support new protocol defs (#5942)
update to latest tsc (#5581)
NetworkRequest.RESOURCE_TYPES type fix (#5851)
add explicit index signature in mainthread-work-breakdown (#5859)
cli: make LH.Flags type correct and consistent (#5849)

Report

link to our own "unused css" reference doc (#5698)
make red/orange/green score color thresholds tougher (#5831)
expose prepareLabData directly as a fn (#5818)
responsive styles (#5706)
add PSI.prepareLabData() (#5804)
adopt 80-char line-length license (#5757)
add method to get the final screenshot (#5673)
metrics: display metrics in seconds (#5914)
psi: add Util.prepareReportResult method (#5766)
psi: reset template styles on every call of prepareLabData (#5877)
psi: add lab data summary sentence (#5961)

New Audits

a11y: add manual audit for interactive element affordance (#5764) thx @joelhsmith!

Tests

quiet down collect-scripts during CI (#5801)
better display value tests with i18n (#5720)
dbw: remove createShadowRoot call (#5906)
jest: disable coverage collection by default (#5772)
smokehouse: update expectations for HTML Imports deprecation (#5943)
smokehouse: update passive listener expectations (#5899)

Deps

snyk: update snyk snapshot ([#5774](#577...

Assets 2

Releases: GoogleChrome/lighthouse

4.1.0 (2019-01-28)

New contributors!

Core

Refactor

Report / Viewer

Misc

4.0.0 (2019-01-16)

New contributors!

Major changes

Breaking changes

Core

Deps

Docs

Extension

I18n

Report

Tests

Misc

4.0.0-beta (2018-11-29)

Core

Report

CLI

Tests

Misc

v4.0.0-alpha.2-3.2.1

4.0.0-alpha.1 (2018-11-15)

Core

Report

Misc

4.0.0-alpha.0 (2018-10-31)

New Contributors!

New Audits

Core

Report

Clients

Deps

Docs

I18n

Tests

Misc

3.2.1 (2018-10-01)

Core

3.2.0 (2018-09-26)

New Audits

Faster

Core

Report

CLI

Deps

Docs

i18n

Misc

v3.1.1

v3.1.0

New Contributors!

Notable changes

Core

Extension

i18n

Types

Report

New Audits

Tests

Deps