Full Changelog

We expect this release to ship in the DevTools of Chrome 93, and to PageSpeed Insights within 2 weeks.

New contributors

Thanks to our new contributors 👽🐷🐰🐯🐻!

• Todor Totev @todortotev
• Tanner Dolby @tannerdolby
• Victor Porof @victorporof
• Gareth Jones @G-Rath

Core

• modern-images: update to include AVIF estimates (#12682)
• preload: temporarily disable all preload advice (#12661)
• network-request: consider HSTS redirects secure (#12681)
• total-byte-weight: count partially finished requests (#12665)
• canonical: proper explanation for url misuse (#12676)
• fallback to selector, not tagName for nodeLabel (#12727)
• csp-xss: update learn more link (#12672)
• installable-manifest: align descriptions with applicatons panel (#12678)
• trace: include additional perf categories (#12692)
• tap-targets: add stylesheet over protocol (#12634)

⛏️👷 Fraggle Rock

Support for auditing user flows (#11313)

• fr: uses-responsive-images-snapshot (#12714)
• fr: limit scope of audits to applicable modes (#12764)
• fr: split timespan support for server-response-time (#12758)
• fr: enable traces artifact in timespan mode (#12695)
• fr: add lighthouseMarker timeOrigin support (#12688)
• fr: add timespan support to viewport-dimensions (#12680)
• fr: add snapshot support to ImageElements gatherer (#12663)
• fr: convert service-worker gatherer (#12662)
• fr: add audit mode filter (#12649)
• fr: split traceOfTab into timespan/navigation types (#12633)
• fr: fix main-document-content (#12632)
• fr: more precise AnyFRInterface types (#12622)
• fr: convert script-elements gatherer (#12621)
• fr: convert additional base artifacts (#12594)
• fr: align base artifacts with legacy gather-runner (#12510)

Report

• move renderer code to report/ (#12690)

Deps

• bump axe-core to 4.2.3 (#12706)
• update ws to latest (#12638)
• jest: upgrade to 27.0.3 (#12454)
• snyk: update snyk snapshot (#12599)
• webtreemap: bump to fix focus traversal bug (#12625)

I18n

• import (#12783)
• allow strings with duplicate message and descriptions (#12723)

Tests

• devtools: fix after renaming standalone-template.html (#12765)
• don't double count server network requests on retry (#12779)
• add explicit small-icu detection for i18n (#12696)
• tweak variability assertion for load-things transferSize (#12701)
• renderer: reduce console output about unknown types (#12644)
• report: increase timeout for running axe on report renderer (#12610)
• smoke: relative source map hash (#12607)
• treemap: add test for node coverage shading (#12609)
• fix flaky cache test (#12606)

Misc

• treemap: elide origin from url if same as requestedUrl (#12598)
• treemap: fix node coverage shading (#12603)
• build: add build step for report (#12707)
• npmignore larger unnecessary files (#12627)
• run build-report for vercel deployment and lhci (#12782)
• fix common "typos" (#12742)
• get LH_ROOT via new file root.js (#12724)
• scripts: improve collision check in collect-strings (#12697)
• add GitHub bug report form (#12694)
• scripts: error handling for pptr-run-devtools.js (#12679)
• fix typos and update faq answer (#12605)
• reference chromium main instead of master (#12757)

Scripts

• i18n: support es modules in collect-strings (#12741)