GoogleChrome/lighthouse v12.4.0

on GitHub

Full Changelog

We expect this release to ship in the DevTools of Chrome 135, and to PageSpeed Insights within 2 weeks.

New contributors

Thanks to our new contributors 👽🐷🐰🐯🐻!

• Daniil Vangonen @dvangonen
• Rene Schwietzke @rschwietzke
• Antti @hilja
• Johannes Homeier @homj

Notable Changes

• Some performance audits are marked as informative under passing conditions rather than being hidden in the passed audits section. This release reduces the number of audits which have this behavior. (#16315)

New Audits

• ensure clickjacking mitigation through XFO or CSP (#16290)

Core

• implement more insight audits, handle localization (#16326)
• set relevant metric based on insight category (#16325)
• add hidden audits for each insight (#16312)
• cls-culprits-insight: implement (#16357)
• inspector-issues: support SRI message signature issues (#16345)
• inspector-issues: add select element a11y issue to types (#16298)
• legacy-javascript: upgrade babel and core-js (#16331)
• root-causes: grab from trace insights rather than use protocol (#16352)
• trace-engine: re-enable invalidations handler (#16293)

Report

• use container queries for responsive design in DevTools (#16342)
• render LH-only diagnostics alongside insights (#16332)
• add button to toggle experimental insights (#16329)
• add checklist detail type (#16324)

Deps

• upgrade critical dependencies (#16358)
• upgrade csp_evaluator to 1.1.5 (#16347)
• update to latest chrome-devtools-frontend (#16333)
• upgrade puppeteer to 24.2.1 (#16341)
• upgrade third-party-web to 0.26.5 (#16340)
• upgrade puppeteer to 24.1.1 (#16302)
• upgrade trace_engine to 0.0.40 (#16311)

I18n

• import (#16360)

Docs

• readme: add Sonā to the list of Web Perf services (#16282)

Tests

• address upstream changes (#16335)
• refresh sample artifacts (#16322)
• dbw: revert unload handler expectations (#16353)
• devtools: fix error in smoke tests with DT throttling (#16301)

Misc

• remove issue assigner (#16317)
• ci: workaround new ubuntu 23 security issue for chromium (#16296)
• readme: add link to Neodymium (#16349)
• release: add script for updating critical dependencies (#16359)
• types: add missing type for explanation in NodeValue (#16314)