v10.4.0

Full Changelog

We expect this release to ship in the DevTools of Chrome 117, and to PageSpeed Insights within 2 weeks.

New Contributors

Thanks to our new contributors 👽🐷🐰🐯🐻!

• Sanjaiyan Parthipan @sanjaiyan-dev

New Audits

• add hidden, 0-weight a11y audits (#15216)
• aria-dialog-name, aria-text, link-in-text-block, select-name (#15159)

Core

• remove unnecessary references to legacy gatherer (#15236)
• update residual usages of legacy runner (#15227)
• compute TBT impact for main thread tasks (#15175)
• support ts targets before es2022 (#15189)
• byte-efficiency: compute FCP & LCP savings (#15104)
• config: add more validation from legacy (#15211)
• link-text: add tamil keywords to blocklist (#15152)
• long-tasks: add more task information to debugData (#15198)
• network-recorder: set target type of unfinished request (#15232)
• non-composited-animations: add CLS savings as always 0 (#15099)
• prioritize-lcp-image: add LCP savings (#15229)
• proto: add errorStack to AuditResult (#15187)
• redirects: add FCP and LCP savings (#15228)
• source-maps: support BOM markers and CORB prefix (#15224)
• stacks: add wix (#15171)
• unsized-images: add CLS savings as always 0 (#15196)
• viewport: add INP savings (#15071)
• work-during-interaction: add INP savings (#15176)

Report

• use fixed position for hidden radios (#15181)

Deps

• upgrade puppeteer to 20.8 (#15226)
• upgrade third-party-web to 0.23.3 (#15213)

I18n

• import (#15243)

Tests

• save smokehouse failures, improve bundle runner logging (#15235)
• remove usages of legacy driver (#15230)
• a11y: use regex for target size explanation (#15231)
• ci: skip puppeteer Chrome download (#15177)
• config: add unit tests from legacy config (#15209)
• devtools: fix e2e compile error (#15210)
• devtools: remove parallel modifier from e2e tests (#15172)
• issues-mixed-content: use new site for testing (#15241)
• runner: drop usages of legacy runner (#15047)
• smoke: expect server-response-time to be greater than 0 (#15188)