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lighthouse v5.5.0 Release Notes

Release Date: 2019-10-02 // over 4 years ago

  • 5.5.0 (2019-10-02)

    Notable changes

    • 🌐 Preliminary implementation of the Largest Contentful Paint metric has landed (devtools and provided throttling only) and can be found in the hidden metrics audit in the raw LHR JSON (#9706)
    • The creation of main-thread tasks from a trace is now more robust. This should significantly reduce the occurrence of Issue #7764, "Fatal trace logic error - expected start event, got X" (#9491)
    • <script> element id has been added to the ScriptElements artifact (#9718)

    🆕 New contributors!

    Thanks to @LarsKumbier, @TimvdLippe, and @uchoudh for their first contributions!

    Core

    • 🚚 network-recorder: remove quic-request-finished workaround (#9744)
    • ⚡️ network-recorder: optimize network idle detection (#9712)
    • unused-css-rules: no more infinity savings (#9731)

    Clients

    • 👷 devtools: expose registerLocaleData to worker (#9645)
    • ⚡️ devtools: update references to Runtime.cachedResources (#9758)

    📄 Docs

    • 🆕 new documentation for running Lighthouse on authenticated pages (#9628, #9705)
    • 🌐 point more docs links to web.dev (#9540, #9711, #9761)
    • readme: add more related projects (#9716, #9743)
    • ⏱ releasing: add schedule, more integration testing (#9695)
    • ➕ add links to more info about throttling and variability (#9734)
    • ⚡️ update scoring calculator link to v5 (#9729)

    ✅ Tests

    • ➕ add Lighthouse CI dogfood script to travis (#9677, #9745)
    • ⚡️ report: update utm_medium check for web.dev links (#9737)
    • ⚠ smokehouse: add check for any runWarnings (#9732)
    • ✅ attempt to download lantern test trace set a few times (#9766)

    Misc

    • 🚚 devtools: remove version replacement for expectations (#9702)
    • ✂ remove unnecessary return in Promise (#9703)
    • ⚡️ assets: update logo (#9694)

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