v12.7.0

Full Changelog

We expect this release to ship in the DevTools of Chrome 140, and to PageSpeed Insights within a week.

New contributors

Thanks to our new contributors 👽🐷🐰🐯🐻!

• demostanis @demostanis
• OronW @OronW
• Raffael Jesche @raffaelj

Notable Changes

The Performance category in the Lighthouse report now shows performance insight audits by default - read more here.

Core

• always include headers even for empty tables (#16534)
• expose error stack, artifact on runtimeError (#16524)
• cache-insight: fix wrong value being used for transfer size (#16562)
• config: throw an error if a filter is an empty array (#15118)
• crawlable-anchors: allow placeholder anchor elements (#16292)
• gather: add host DPR base artifact (#16559)
• gather: deprecate executionContext.evaluateAsync (#16518)
• insights: show estimated ms savings (#16563)
• inspector-issues: rename to elementAccessibilityIssue (#16561)
• link-text: use lang to check for only localized terms (#16526)
• network-dependency-tree-insight: add preconnect advice (#16557)
• plugins: support scoped npm packages (#16550)
• render-blocking-resources: change column label to Duration (#16519)
• timing-summary: suppress expected errors (#16520)
• trace-elements: remove sentry debugging for invalid impactedNodes (#16523)

Report

• show insight performance audits by default (#16552)
• fix 3p filter checkbox for insight audits (#16564)
• hide highlighter during print (#16544)
• remove custom focus outline styles (#16531)
• increase max width of 3-dot menu (#16530)
• hide treemap, view trace buttons when printing (#16529)

Deps

• upgrade trace_engine to 0.0.56 (#16565)
• upgrade deps (#16555)
• upgrade configstore to 7.0.0 (#16148)
• upgrade jest packages to 29.7.0 (#16147)
• sentry: upgrade to v9 (#16541)

Docs

• recipes: give explicit commands for first building Lighthouse (#16527)

Tests

• parallelize lantern database tests (#16545)

Misc

• chore: use "Note" indentation in readme (#16533)
• chore: reformat to reduce spurious newlines (#16038)
• chore: rename traceEngineData to parsedTrace (#16270)
• ci: fix logic for nightly publish cron (#16556)
• ci: prevent nightly publish if no changes in last day (#16547)
• deps: upgrade to eslint 9 (#16327)