Full Changelog

We expect this release to ship in the DevTools of Chrome 94, and to PageSpeed Insights within 2 weeks.

New contributors

Thanks to our new contributor 👽🐷🐰🐯🐻!

• Krzysztof Szarlej @kszarlej

Core

• csp-xss: make n/a with empty results (#12801)
• css-usage: ignore removed stylesheets (#12827)
• emulation: bump chrome versions (#12849)
• traces: disable cpu-profiler trace category (#12843)
• byte-efficiency: mark n/a if no network records in timespan (#12839)

⛏️👷 Fraggle Rock

Support for auditing user flows (#11313)

• add --fraggle-rock flag (#12805)
• add config extension support (#12832)
• add snapshot and timespan support to no-unload-listeners audit (#12830)
• support config filtering via only/skip settings (#12808)
• add timespan support to css-usage (#12728)

Report

• convert to ES modules (#12702)
• metric-filter: handle multiple reports in the same DOM (#12817)
• dom: introduce safelySetHref (#12796)

Deps

• update third-party-web to 0.12.4 (#12753)
• update lighthouse-logger to 1.3.0 (#12812)

Clients

• viewer: add disclaimer regarding devtools bug (#12846)
• viewer: accept lhr from fragment (#12557)

Docs

• readme: list dtekt.io in web perf services (#12831)

Tests

• add fraggle rock smoke tests (#12834)
• add report/ to tsconfig (#12822)
• devtools: sync tests, fix cache action (#12807)
• page-functions: remove segfault workaround (#12847)
• smoke: convert to single LH run per test (#12818)
• smoke: convert core tests to single-expectations format (#12819)

Misc

• build: ensure distDir is present before emptying it (#12829)
• types: fix null return on querySelector (#12848)
• read locale files without using require (#12721)
• add prefix to lighthouse-logger debug scope (#12806)