Meeting 2024-06-04

• Team calendar

  • Next on Necko triage: Sunil

• New contributors / Friends of Necko THANK YOU!!

  • Andrew McCreight Bug: 1899863 Extremely frequent PNecko::Msg_CancelHTMLDNSPrefetch log spam 

  • Julian Descottes

    • Bug: 1899291 Improve channelId generation code to avoid clashes between tabs with identical pID [necko-priority-next]

    • Bug: 1899563 Perform SW upgrade before http-on-before-connect  [necko-priority-next]

  •  Manuel Bucher

    • Bug: 1897050 Remove or update metrics expiring in Firefox 129: networking.proxy_info_type before Gecko version gets increased to 129 on 2024-06-10

    • Bug: 1454850 Mislabelled options relating to SOCKS4, SOCKS5 and server-side DNS resolution  

• Round Table

  • No public topics this week

• Active Projects roadmap Fx127 rel June 11, Fx128 soft freeze June 06

  • Native HTTPS RR Implementation (in progress, target Fx129)

    • Performance regression identified in Nightly https://bugzilla.mozilla.org/show_bug.cgi?id=1895908#c15 

    • [kershaw]

      • Bug 1898191 Improving HTTPS RR Handling to Mitigate Performance Regression

        • Monitor changes

  • 3rd Party Cookie Deprecation (in progress, target Fx129)

    • [Ed] Added telemetry and submitted for data approval

    • Just need to add a few more tests

    • Note: CHIPS will be enabled soon

      • Let’s keep an eye on cookie same-site/cross-origin related bugs

  • Fetch keepalive: (in progress, Target Fx129) 

    • (greg) Jason Kratzer I see that this is behind a pref. Is this ready for fuzz testing? Not yet, landing MS1 next week. Could be tested after next week we have all WPT passing

    • Service worker support missing in WPT. 

    • – enter updates –

  • HTTP Priorities Experiments (in progress, target Fx129 )

    • (valentin) 1900555 - Add fetchpriority prefs to the Feature Manifest planning to land before code freeze

    • Frederic from Igalia has been landing some tests.

    • Working on experiment brief.

  • Firefox/Chrome benchmark test suite (in progress, Fx132)

    • [kershaw]

      • Test machines will be ready by the end of this week

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

    • (sekim) A patch backed out due to regressions: https://phabricator.services.mozilla.com/D211898

    • (sekim) Two patches waiting for review/wip, will be complete soon.

      • https://phabricator.services.mozilla.com/D210800

      • https://phabricator.services.mozilla.com/D212331

    • (sekim) Although not part of Interop 2024 URL, fixed a related bug (can be landed after windows fix with ‘/’): https://phabricator.services.mozilla.com/D212193

  • necko-glean: (sekim) due to incidents, currently on hold.

  • Performance work: 

    • Glean on Android update

      • Probes disabled in Release: https://pastebin.mozilla.org/eJEZEmLo

      • Batched DB writes issues fixed in Nightly, being uplifted: 

        • https://bugzilla.mozilla.org/show_bug.cgi?id=1892230

    • Unrelated: Glam for Fenix stuck at April 13 updates:

      • https://github.com/mozilla/glam/issues/2843

    • New experiments:

      • Performance Calibration (A/A/A) on Fenix, live (release channel might be affected, some probes)

        • https://experimenter.services.mozilla.com/nimbus/fenix-performance-metric-calibration/edit/overview

      • OMT Decompression + html5Parser, cssLoader 

        • Experiment Brief

    • FYI, updated impact of Cookie Banner Handling documented here. Android results coming.

      • Cookie Banner Blocking Performance Results