We expect this release to ship in the DevTools of Chrome 136, and to PageSpeed Insights within 2 weeks.
Notable Changes
legacy-javascripthas been updated to target Baseline instead of esmodules for determining what code is considered "legacy" (#16366).
Core
- enable enhanced traces, pass source maps to trace engine (#16396)
- pass lantern settings to trace engine and add logging (#16377)
- adapt trace engine i18n functions to LH i18n model (#16365)
- computed-artifacts: disallow undefined properties (#16397)
- duplicated-javascript: increase threshold from 1 to 10 KiB (#16368)
- image-delivery-insight: use strings without savings (#16364)
- insights: implement
use-cache-insight(#16401) - insights: upgrade and implement forced reflow (#16395)
- insights: move to hidden group by default (#16391)
- insights: implement font display insight (#16369)
- legacy-javascript: rework/revert some unminified bundle detection (#16394)
- legacy-javascript: support rollup bundles (#16389)
- legacy-javascript: support esbuild bundles (#16385)
- legacy-javascript: support unminified code (#16384)
- legacy-javascript: improve transform detection (#16381)
- script-treemap-data: keep duplicate info when collapsing nodes (#16379)
Deps
- upgrade deps (#16408)
- upgrade trace_engine to 0.0.47 (#16376)
- upgrade trace_engine, reuse cdt bf-cache/deprecation strings (#16362)
I18n
- import (#16409)
Tests
- fix local mocha tests not properly setting isUnderTest (#16399)
- fix i18n format in Node 20.19 (#16398)
- trace-engine: fix expectations (#16380)