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archive/meeting-2024-09-17.md

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+# Meeting 2024-09-17
+
+-   Team calendar
+
+
+    -   Next on [Necko triage](https://github.com/mozilla-necko/triage-list): Sunil
+
+
+
+
+-   [New contributors / Friends of Necko](https://bugzilla.mozilla.org/buglist.cgi?classification=Client%20Software&classification=Developer%20Infrastructure&classification=Components&classification=Server%20Software&classification=Other&v4=smayya%40mozilla.com&o9=equals&n1=1&o10=equals&f1=assigned_to&v3=edgul%40mozilla.com&v7=nobody%40mozilla.org&v9=sekim%40mozilla.com&o4=equals&bug_status=RESOLVED&bug_status=VERIFIED&bug_status=CLOSED&n5=1&n6=1&f2=assigned_to&priority=P1&priority=P2&priority=P3&priority=P4&priority=P5&priority=--&f8=assigned_to&v10=mail%40max-inden.de&f6=assigned_to&resolution=---&resolution=FIXED&resolution=INVALID&resolution=WONTFIX&resolution=INACTIVE&resolution=DUPLICATE&resolution=WORKSFORME&resolution=INCOMPLETE&resolution=SUPPORT&resolution=EXPIRED&resolution=MOVED&f5=assigned_to&bug_type=defect&bug_type=enhancement&bug_type=task&chfieldfrom=2024-09-03&n8=1&n2=1&o7=equals&o3=equals&v2=kershaw%40mozilla.com&product=Core&v8=wptsync%40mozilla.bugs&f10=assigned_to&f9=assigned_to&n10=1&query_format=advanced&v6=rjesup%40jesup.org&v5=acreskey%40mozilla.com&o1=equals&n9=1&o8=equals&list_id=17211902&n7=1&n3=1&o2=equals&f4=assigned_to&component=DOM%3A%20Networking&component=Networking&component=Networking%3A%20Cache&component=Networking%3A%20Cookies&component=Networking%3A%20DNS&component=Networking%3A%20File&component=Networking%3A%20HTTP&component=Networking%3A%20JAR&component=Networking%3A%20Proxy&component=Networking%3A%20WebSockets&f3=assigned_to&f7=assigned_to&chfield=cf_last_resolved&v1=valentin.gosu%40gmail.com&o5=equals&o6=equals&n4=1) THANK YOU!!
+
+
+    -   [Kagami Rosylight \[:saschanaz\] (they/them)](https://bugzilla.mozilla.org/user_profile?user_id=473060)
+
+
+        -   [Bug: 1907428 crash near null in \[@ mozilla::dom::FetchChild::RecvOnResponseAvailableInternal\]](https://bugzilla.mozilla.org/show_bug.cgi?id=1907428)
+
+
+    -   [Tannal2409](https://bugzilla.mozilla.org/user_profile?user_id=740908)
+
+
+        -   [Bug: 1917924 Remove network.http.reject\_NULs\_in\_response\_header\_values pref](https://bugzilla.mozilla.org/show_bug.cgi?id=1917924) 
+
+
+
+
+-   Round Table
+
+
+    -   \[greg\] Manuel has raised this [discussion](https://matrix.to/#/!zrQfbihXkcbZeTYBVd:mozilla.org/$Ay7LESn93HOnVM9jHgW6Hk4_SCM0k1e9wHazzV8DCEg?via=mozilla.org&via=matrix.org&via=igalia.com) regarding enabling DNS over SOCKS4 by default? 
+
+
+        -   SOCKSv4 does not support DNS SOCKSv4a does however we have no ability to determine version 
+
+
+
+
+-   Active Projects [roadmap](https://mozilla-hub.atlassian.net/jira/plans/71/scenarios/71?vid=300#plan/backlog) Fx131 rel Oct 01, Fx132 freeze Sep 26
+
+
+    -   [3rd Party Cookie Deprecation](https://mozilla-hub.atlassian.net/browse/FFXP-2237) (in progress, target Fx134)
+
+
+        -   3PCD shipped to nightly
+
+        -   Tracking breakage: [https://bugzilla.mozilla.org/show\_bug.cgi?id=1917788](https://bugzilla.mozilla.org/show_bug.cgi?id=1917788) 
+
+        -   3PCD timeline
+
+
+            -   131: Enable in nightly all windows(dry run)
+
+
+                -   Check back once 131 hits release and see the telemetry
+
+
+            -   132: Enable in PBMode and ETP Strict to release (we are here)
+
+            -   133: Release telemetry on partition limit will start, review it
+
+            -   134: All windows in release (targeting January)
+
+            -   136: “Migration”/deletion of TCP cookies (non-chips partitioned)
+
+
+    -   [Fetch keepalive](https://mozilla-hub.atlassian.net/browse/FFXP-2596): (in progress, Target Fx132 (check again on Friday if we still can make it to Fx132) 
+
+
+        -   Final Milestone
+
+        -   2/4 patches r+d
+
+        -   \[Sunil\] [Discussed](https://docs.google.com/document/d/1USZRNnuZT3APoPpUJCPYAbbOPoGwUfPlUIGH1btctOE/edit#heading=h.kxsq6xys6bfp) pending issues  for worker keepalive with [Eden Chuang](mailto:echuang@mozilla.com)
+
+
+            -   Incorporating the changes and testing
+
+
+    -   [HTTP Priorities Experiments](https://mozilla-hub.atlassian.net/browse/FFXP-2070) (in progress, target Fx 132)
+
+
+        -   \[acreskey\]
+
+
+            -   fetchpriority=high on images working very well, see [1797715 - \[meta\] Fetch Priority (was Priority Hints)](https://bugzilla.mozilla.org/show_bug.cgi?id=1797715#c15), propose we let ride the feature ride the trains
+
+            -   Working on documentation, feedback if you have any
+
+
+                -   WIP documentation:
+
+
+                    -   [https://github.com/acreskeyMoz/acreskeyMoz.github.io/blob/main/docs/prioritization.md](https://github.com/acreskeyMoz/acreskeyMoz.github.io/blob/main/docs/prioritization.md)
+
+                    -   [Bug 1915852 - Document network request scheduling and prioritization system](https://bugzilla.mozilla.org/show_bug.cgi?id=1915852)
+
+
+            -   Possible bug:
+
+
+                -   [Bug 1919158 -  Request urgency may ignore fetchPriority and supportsPriority in two scenarios](https://bugzilla.mozilla.org/show_bug.cgi?id=1919158)
+
+
+
+
+-   [Firefox/Chrome benchmark test suite](https://mozilla-hub.atlassian.net/browse/FFXP-2784) (in progress, Fx132)
+
+
+    -   \[kershaw\]
+
+
+        -   Optimize server setup
+
+
+            -   H3 download: 838.66mbps -> 914.76mbps
+
+            -   Need ~8Gbps to verify improvement w UDP 
+
+
+        -   Working on TC scripts
+
+
+-   [Interop 2024 URL](https://mozilla-hub.atlassian.net/browse/FFXP-2202) (in progress, target H2 2024)
+
+
+    -   \[Ed\] Addressing review comments for [defaultURI](https://phabricator.services.mozilla.com/D207810)
+
+
+        -   Including getting [data model created](https://bugzilla.mozilla.org/show_bug.cgi?id=1918479) for remote settings server side
+
+
+-   [necko-glean](https://bugzilla.mozilla.org/show_bug.cgi?id=1854569): (sekim) Landing glean patches using #ifndef ANDROID blocks tracking such blocks using [Bug 1901798](https://bugzilla.mozilla.org/show_bug.cgi?id=1901798)  
+
+
+    -   – enter updates –
+
+
+-   [Fast UDP I/O in Firefox](https://mozilla-hub.atlassian.net/browse/FFXP-2862) (in progress, target H2 2024)
+
+
+    -   [milestone 1 - basic end-to-end integration](https://phabricator.services.mozilla.com/D212959)
+
+
+        -   Report of [network.http.http3.use\_nspr\_for\_io false breaking HTTP3/QUIC on Windows on ARM](https://bugzilla.mozilla.org/show_bug.cgi?id=1916558)
+
+
+            -   Still only reproducible on one Windows on ARM machine.
+
+            -   Debugging in progress.
+
+
+    -   [milestone 2 - ECN](https://bugzilla.mozilla.org/show_bug.cgi?id=1902065)
+
+
+        -   Landed in Firefox Nightly.
+
+        -   See implementation in [Github#1678](https://github.com/mozilla/neqo/pull/1678), [Bugzilla#1902065](https://bugzilla.mozilla.org/show_bug.cgi?id=1902065).
+
+        -   See various metric sources in [Glean Dictionary](https://dictionary.telemetry.mozilla.org/apps/firefox_desktop?page=1&search=ecn), [Glam](https://glam.telemetry.mozilla.org/fog/probe/networking_http_3_ecn_path_capability/explore?aggKey=capable&aggType=avg&ping_type=*) and [Looker](https://mozilla.cloud.looker.com/explore/firefox_desktop/metrics?qid=kDZHe78VvPQwDbzx1c6iCS&toggle=vis).
+
+
+    -   [milestone 3 - Benchmarks and metrics](https://bugzilla.mozilla.org/show_bug.cgi?id=1902066)
+
+
+        -   Adding UDP datagram (segment) size metrics ([phabricator#D216034](https://phabricator.services.mozilla.com/D216034)) landed. Should be available in Firefox Nightly soon.
+
+        -   Migrating Http3Session::CloseConnectionTelemetry to Glean.
+
+
+            -   Work in progress [phabricator#D221615](https://phabricator.services.mozilla.com/D221615).
+
+
+    -   [milestone 5 - multi-packet state machines](https://bugzilla.mozilla.org/show_bug.cgi?id=1902070)
+
+
+        -   Don't allocate in UDP send & receive path ([github#2093](https://github.com/mozilla/neqo/pull/2093)).
+
+
+            -   Ready for review.
+
+            -   "Early benchmarks are promising, showing e.g. a 10% improvement in the Download benchmark, and up to 40% improvement in the neqo-neqo-reno-pacing benchmark."
+
+
+-   Performance work: 
+
+
+    -   \[acreskey\] 
+
+
+        -   Paused the work on evaluating/tuning the ClassOfService tailing system until we ship HTTP Priorities
+
+
+            -   [https://bugzilla.mozilla.org/show\_bug.cgi?id=1915866](https://bugzilla.mozilla.org/show_bug.cgi?id=1915866)
+
+
+        -   FYI: another profiler bug
+
+
+            -   [Bug 1919148 -  \[network-markers\] Expose class of service for each request in the profiler network tab](https://bugzilla.mozilla.org/show_bug.cgi?id=1919148)