Full Changelog

We expect this release to ship in the DevTools of Chrome 151, and to PageSpeed Insights within 2 weeks.

New contributors

Thanks to our new contributors 👽🐷🐰🐯🐻!

• Thomas Steiner @tomayac
• KS Nithin @Nithin0620
• Emanuele @emazack
• Kirtikumar Anandrao Ramchandani @KirtiRamchandani
• Rin @RinZ27
• Michael Hablich @natorion

Core

• canonical: improve validation for invalid URLs (#16765)
• llms-txt: allow leading whitespace for header check (#17057)
• geolocation-on-start: mention geolocation element (#16835)
• add public Lighthouse types entrypoint (#17028)
• match scripts to network requests using frameId (#16774)
• config: import LH types (#17048)
• driver: add ExecutionContext.evaluateOnObject (#17050)
• driver: check if usage data exists before using (#17033)

Report

• fix performance gauge label, improve load animation (#17045)
• decouple link creation from link details rendering (#17049)
• viewer: persist dark mode when when changing langauge (#17063)

Deps

• upgrade deps (#17070)
• upgrade typescript to 6.0.3 (#17060)
• upgrade terser to 5.48.0 (#17059)
• upgrade esbuild to 0.28.0 (#17058)
• upgrade trace_engine to 0.0.65 (#17046)
• upgrade puppeteer to 25.0.2 (#17019)

Clients

• viewer: prevent toast showing on load (#17069)
• viewer: clear github auth token on 401 error (#17064)
• viewer: disable agentic-browsing in PSI api call (#17041)

I18n

• import (#17071)

Docs

• add agentic web issue template (#17020)

Tests

• exclude origin-isolation-coop-present smoke test (#17072)
• remove accidental .only (#17042)
• remove unused c8 (#16845)
• llms-txt: add coverage for network failure and heading edge cases (#17040)
• viewer: update psi key (#17037)

Misc

• migrate typescript moduleResolution to bundler (#17061)
• build: generate subset of web-features data (#17047)
• ci: add Node 26 to unit matrix (#17062)
• ci: bump actions/upload-artifact from 4 to 7 (#16938)