Meeting 2024-05-28

• Team calendar

  • Next on Necko triage: Ed

• New contributors / Friends of Necko THANK YOU!!

  • Bug: 1741375 Proxy DNS by default when using SOCKS v5 (manuel@mozilla.com)
  • Bug: 1895319 refactor http3server to use neqo-bin for I/O, timers, event-loop etc. ( mail@max-inden.de)
  • Bug: 1896475 Implement Request/Response .bytes() method (evilpies@gmail.com)
  • Bug: 1897959 Perma /client-hints/sec-ch-width.https.html | Sec-CH-Width should be set - assert_equals: expected 100 but got 1 (aborovova@mozilla.com)
  • Bug: 1898129 Perma [tier 2] /fetch/api/abort/serviceworker-intercepted.https.html | response.bytes() rejects if already aborted - promise_test: Unhandled rejection with value: object "TypeError: response[bodyMethod] is not a function" (aborovova@mozilla.com)

• Round Table

  • Revive 1676432 - Add a UDP DNS resolver  ?

    • Chrome has their own native resolver that uses TCP/UDP

      • https://source.chromium.org/chromium/chromium/src/+/main:net/dns/dns_transaction.cc;l=1357-1371;drc=c0265133106c7647e90f9aaa4377d28190b1a6a9;bpv=1;bpt=1 

    • Could help bypass perf issues

    • Add to performance opportunities, experiment WIP patches 

      • Current patch for not performing IPV6 when not available, if this does not resolve issue we will continue to explore this.

      • 1122907 - Slow DNS lookupconnection timings on 64 bit Linux. 

  • 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 

    • Manuel landed a patch.

  • Necko Bug Bash Day 

    • Total Bugs updated: 197(7 off team)

      • Closed: 41 (3 off team)!

        • 14 fixed

        • 6 invalid

        • 11 won’t fix

        • 8 works for me

        • 1 duplicate

        • 4 incomplete

        • By Severity:

          • S3: 24

          • S4: 6

          • – : 6

          • NA: 5

      • Priority/severity updated: 16

      • Blocks updated: 28

      • Necko Priority Queue: 3 added 

  • (Sunil) Simon Peter will present Contributing to Standards Talk on 2nd August in Let’s Decipher Necko Session.

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

  • Native HTTPS RR Implementation (in progress, target Fx128)

    • Sent Intent To Ship: Resolving HTTPS records using platform DNS APIs 

    • 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

        • Patches r+ed.

  • 3rd Party Cookie Deprecation (in progress, target Fx128)

    • [Ed] Writing telemetry for partition limit purging dry run

    • [Ed] A few reviews for the privacy team

  • Fetch keepalive: (in progress, Target Fx129) 

    • [Sunil] 2 out of 3 patch stacks r+. Incorporating review comments on the final patch.

    • [Sunil] Need to complete https://bugzilla.mozilla.org/show_bug.cgi?id=1871378 for Milestone 1 (Implement keepalive as per Fetch standard)

• HTTP Priorities Experiments (in progress, target Fx 129 )

  • 1865040 - Implement Extensible Prioritization Scheme for HTTP2 landed

  • 1864392 - Honor `fetchpriority` attribute for HTTP3 requests was backed out for a test failure. Will land again.

• Firefox/Chrome benchmark test suite (in progress, Fx 129)

  • [kershaw]

    • Configuring the test environment in VM

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

  • [Ed] No progress on DefaultURI bypass

  • [Sean] Landed null origin blob 

• Performance work: 

  • New experiments:

    • Performance Calibration (A/A/A) on Fenix, live

      • Acreskey: fyi, possibility of telemetry being disabled on Android

        • https://bugzilla.mozilla.org/show_bug.cgi?id=1898810

          • https://bugzilla.mozilla.org/show_bug.cgi?id=1899169

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

    • OMT Decompression + html5Parser, cssLoader 

      • [Sunil] https://bugzilla.mozilla.org/show_bug.cgi?id=1899233

      • Started writing experiment brief