12 Nov 2026

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Firefox Tooling Announcements: MozPhab 2.25.0 Released

Bugs resolved in Moz-Phab 2.25.0:

Discuss these changes in #engineering-workflow on Slack or #Conduit Matrix.

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12 Nov 2026 11:49pm GMT

Firefox Tooling Announcements: Happy BMO Push Day! (20261112.1)

Github Link

The following changes have been pushed to bugzilla.mozilla.org:

Discuss these changes in the BMO Matrix Room

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12 Nov 2026 11:25pm GMT

Firefox Tooling Announcements: Nov 12th Deploy

The latest version of PerfCompare is now live!

:police_car_light: New view alert! :police_car_light:

The cross-platform view in PerfCompare!

How it started: Matthew Gaudet sought to answer one question that keeps coming up for engineers looking at a performance change: "Do these improvements or regressions agree across platforms?" Until now, answering that meant opening each platform's results one at a time and comparing them by hand. He saw that gap and filed Bug 2069050 asking for an official cross platform view in PerfCompare.

What we have now and how it works: The new cross-platform subtests view is live now! It shows each subtest as a row and each platform as a column. An Agreement column sums up the result at a glance, like "3/3 improved", "2/3 regressed" or "Mixed". Regressions are sorted to the top by default, and you can sort and filter by agreement. You can also click any cell to go to that platform's detailed results. You get there from the new "Compare across platforms" link in a test's header, which appears whenever two or more platforms have subtest data.

Please feel free to leave feedback or file bugs through the links below.

Check out the change-log below to see the updates:

Highlights:

[kala-moz]:

[moijes]: Bug-2003889: Show Lando try-push status instead of a blank-revision error

Other changes:

[kala-moz]:

Thank you for the contributions!

Bugs or feature requests can be filed on Bugzilla. The team can also be found on the #perfcompare channel on Matrix. Come and chat!

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12 Nov 2026 7:28pm GMT