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

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)
• proto: make NO_ERROR default in proto (#6358)
• proto: reduce configSettings in proto to minimum (88b2829)
• yarn: update lockfile for micromatch (#6384)