Meeting 2024-11-26

• Team calendar

  • Next on Necko triage: Kershaw

• New contributors / Friends of Necko THANK YOU!!

  • Oskar Mansfeld

    • Bug: 1928273 Remove or update metrics expiring in Firefox 135: networking.proxy_info_type before Gecko version gets increased to 135 on 2024-11-25

  • Julian Descottes [:jdescottes]

    • Bug: 1932162 Expose initiatorType in parent channel and expose fetch destination in LoadInfo

    • Bug: 1932582 nsDataChannel should extend nsIIdentChannel

• Round Table

  • – enter topics –

• Active Projects roadmap Fx133 rel Nov 26, Fx134 code freeze Nov 21 

  • Firefox Essential Internal Services Toughening[FEISTY] (in progress, TBD)

    • Making steady progress. Still aiming to submit for review by end of this week.

  • DoH Enablement - Fenix and Focus (in progress, TBD)

    • – enter updates –

  • 3rd Party Cookie Deprecation (in progress, target Fx136)

    • Tentative 3PCD/CHIPS rollout:

      • 134: 3PCD experiment

      • 135: re-enable chips, ride the trains to release (Jan 7) - CHIPS breakage

      • 135+:(pending experiment): 3PCD in all windows in release - 3pcd breakage

      • 136+:(pending all-windows): “Migration”/deletion of TCP cookies (non-chips partitioned)

  • Fetch keepalive: (riding the trains, Target Fx133) 

    • – enter updates – 

  • Firefox/Chrome benchmark test suite (in progress, Fx133)

    • [kershaw]

      • The issue that FIrefox doesn’t always use HTTP/3 is addressed.

      • ​​The deviation in the test results is still high

        • Fast5G, Busy5G: Both Chrome and Firefox are not stable

        • Slow3G: Chrome < 1%, Firefox not stable when packet loss rate is 0.5%

  • Interop 2024 URL (in progress, target H2 2024)

    • No progress  

  • necko-glean: (sekim) Landing glean patches using #ifndef ANDROID blocks tracking such blocks using Bug 1901798  

    • – enter updates –

  • Fast UDP I/O in Firefox (in progress, target H2 2024)

    • Report of quinn-udp breaking HTTP3/QUIC on Windows on ARM

      • Narrowed down the bug to the UDP segmentation system.

      • Bought a Windows on ARM machine. Able to reproduce locally now.

      • Built a reproducer

      • Reached out to Microsoft (Nick Banks, MSQUIC author) again.

    • Release Neqo v0.11.0. Then I suggest releasing to Beta for all but Windows.

  • Implement WebTransport based on HTTP/2

    • (sekim) No progress

  • NEL

    • – enter updates –

  • Performance work: 

    • FYI: youtube video “How Browsers Really Load Web Pages”, Robin Marx

      • Discussion

      • Youtube

    • FetchPriority improvements to LCP not reproducing in desktop beta, Fenix nightly so far. Experiments complete tomorrow

    • Hoping to get this fixed this week:

      • Bug 1906726 - Fenix pageload progress bar can take multiple times longer to complete than Chrome (e.g. 50 seconds vs 10 seconds)

    • FYI: HTTP Protocol version from all responses

      • https://sql.telemetry.mozilla.org/queries/104031/source?p_channel=release&p_days=60&p_group_by=build_date&p_minimum_entries_group=50000&p_product=firefox_desktop#256244

      • https://mozilla-hub.atlassian.net/wiki/spaces/FIREFOX/pages/188809321/Dashboards+Necko