# Firefox Tooling Announcements

**URL:** https://discourse.mozilla.org/c/firefox-tooling-announcements/521.md?page=1

[Latest](https://discourse.mozilla.org/latest.md) · [Categories](https://discourse.mozilla.org/categories.md) · [Tags](https://discourse.mozilla.org/tags.md)

**Page:** 2

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## [Happy BMO Push Day! (20260713.1)](https://discourse.mozilla.org/t/happy-bmo-push-day-20260713-1/148934)

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**Author:** [@dkl1](https://discourse.mozilla.org/u/dkl1)\
**Replies:** 0\
**Last updated:** [July 14, 2026, 6:44pm UTC](https://discourse.mozilla.org/t/happy-bmo-push-day-20260713-1/148934 "2026-07-14T18:44:01Z")

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Github Link The following changes have been pushed to bugzilla.mozilla.org: Bug 2053330 - “Close and move to invalid bugs” button jumps way to the left (possibly under your mouse, asking for a mis-click) when you clos…

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## [Engineering Effectiveness Newsletter (Q2 2026 Edition)](https://discourse.mozilla.org/t/engineering-effectiveness-newsletter-q2-2026-edition/148883)

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**Author:** [@ahal](https://discourse.mozilla.org/u/ahal)\
**Replies:** 0\
**Last updated:** [July 9, 2026, 4:26pm UTC](https://discourse.mozilla.org/t/engineering-effectiveness-newsletter-q2-2026-edition/148883 "2026-07-09T16:26:28Z")

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Welcome to the Q2 edition of the Engineering Effectiveness Newsletter! The Engineering Effectiveness org makes it easy to develop, test and release Mozilla software at scale. See below for some highlights, then read on f…

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## [Firefox Profiler Deployment (July 9, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-july-9-2026/148882)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [July 9, 2026, 1:58pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-july-9-2026/148882 "2026-07-09T13:58:29Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Florian Quèze\] Add “/” and “f” keyboard shortcuts to focus the panel filter box (#6025) \[M…

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## [Happy BMO Push Day! (20260630.1)](https://discourse.mozilla.org/t/happy-bmo-push-day-20260630-1/148802)

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**Author:** [@dkl1](https://discourse.mozilla.org/u/dkl1)\
**Replies:** 0\
**Last updated:** [July 1, 2026, 12:55am UTC](https://discourse.mozilla.org/t/happy-bmo-push-day-20260630-1/148802 "2026-07-01T00:55:49Z")

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Github Link The following changes have been pushed to bugzilla.mozilla.org: Bug 1726931 - New issues should displayed on “My Dashboard” for first time users instead of assigned bugs Bug 1834454 - \[WEBHOOKS\] Webhooks f…

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## [Firefox Profiler Deployment (June 29, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-june-29-2026/148795)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [June 29, 2026, 9:25am UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-june-29-2026/148795 "2026-06-29T09:25:09Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Markus Stange\] First typed array: Allow profile.shared.stackTable.frame to be an Int32Arra…

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## [MozPhab 2.15.3 Released](https://discourse.mozilla.org/t/mozphab-2-15-3-released/148767)

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**Author:** [@sheehan](https://discourse.mozilla.org/u/sheehan)\
**Replies:** 0\
**Last updated:** [June 25, 2026, 5:11pm UTC](https://discourse.mozilla.org/t/mozphab-2-15-3-released/148767 "2026-06-25T17:11:40Z")

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Bugs resolved in Moz-Phab 2.15.3: bug 2049293 \[moz-phab\] Init errors get swallowed by Jujutsu backend bug 2049296 \[moz-phab\] Add jj util backend name check for Jujutsu integration Discuss these changes in #engineering…

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## [New Deploy of PerfCompare (June 17th)](https://discourse.mozilla.org/t/new-deploy-of-perfcompare-june-17th/148663)

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**Author:** [@csevere](https://discourse.mozilla.org/u/csevere)\
**Replies:** 0\
**Last updated:** [June 17, 2026, 4:46pm UTC](https://discourse.mozilla.org/t/new-deploy-of-perfcompare-june-17th/148663 "2026-06-17T16:46:44Z")

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The latest version of PerfCompare is now live! Check out the change-log below to see the updates: \[andra - esanuandra \] PCF-391 The keyboard handling for the revision dropdown should be done differently (#926) \[davi…

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## [Firefox Profiler Deployment (June 16, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-june-16-2026/148655)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [June 16, 2026, 1:38pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-june-16-2026/148655 "2026-06-16T13:38:21Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Nazım Can Altınova\] Add source map symbolication and source view support (#6018) It requi…

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## [Happy BMO Push Day! (20260609.1)](https://discourse.mozilla.org/t/happy-bmo-push-day-20260609-1/148609)

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**Author:** [@dkl1](https://discourse.mozilla.org/u/dkl1)\
**Replies:** 0\
**Last updated:** [June 9, 2026, 5:28pm UTC](https://discourse.mozilla.org/t/happy-bmo-push-day-20260609-1/148609 "2026-06-09T17:28:10Z")

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Github Link The following changes have been pushed to bugzilla.mozilla.org: Bug 2043429 - Selenium test 1\_test\_bug\_edit.t intermittently fails when attemtping to click on comment reactions Bug 1995467 - Show dependen…

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## [MozPhab 2.15.2 Released](https://discourse.mozilla.org/t/mozphab-2-15-2-released/148601)

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**Author:** [@sheehan](https://discourse.mozilla.org/u/sheehan)\
**Replies:** 0\
**Last updated:** [June 8, 2026, 6:41pm UTC](https://discourse.mozilla.org/t/mozphab-2-15-2-released/148601 "2026-06-08T18:41:50Z")

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Bugs resolved in Moz-Phab 2.15.2: bug 2004368 moz-phab patch -a here with jj says there is no source tree if jj config is broken bug 2035900 Investigate setting up CodSpeed.io for moz-phab bug 2044857 patch --raw leaks…

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## [New Deploy of PerfCompare (May 27th)](https://discourse.mozilla.org/t/new-deploy-of-perfcompare-may-27th/148488)

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**Author:** [@csevere](https://discourse.mozilla.org/u/csevere)\
**Replies:** 0\
**Last updated:** [May 27, 2026, 9:29pm UTC](https://discourse.mozilla.org/t/new-deploy-of-perfcompare-may-27th/148488 "2026-05-27T21:29:33Z")

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The latest version of PerfCompare is now live! Check out the change-log below to see the updates: \[kala-moz\]: Bug 2036968: Replaced fast-kde with fftkde and used bootstrap-ci to get CI summary (#1034) Bug 1931291…

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## [Firefox Profiler Deployment (May 26, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-may-26-2026/148468)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [May 26, 2026, 3:53pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-may-26-2026/148468 "2026-05-26T15:53:32Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Markus Stange\] Use @streamparser/json if the input is too large to fit in a V8 string (#60…

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## [MozPhab 2.15.1 Released](https://discourse.mozilla.org/t/mozphab-2-15-1-released/148293)

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**Author:** [@sheehan](https://discourse.mozilla.org/u/sheehan)\
**Replies:** 0\
**Last updated:** [May 13, 2026, 8:14pm UTC](https://discourse.mozilla.org/t/mozphab-2-15-1-released/148293 "2026-05-13T20:14:01Z")

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Bugs resolved in Moz-Phab 2.15.1: bug 2036719 moz-phab --no-stack doesn’t work as suggested? Discuss these changes in #engineering-workflow on Slack or #Conduit Matrix.

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## [Firefox Profiler Deployment (May 7, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-may-7-2026/148235)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [May 7, 2026, 2:59pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-may-7-2026/148235 "2026-05-07T14:59:02Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[Markus Stange\] Use custom splitter component (#4606) \[fatadel\] Fix Download button text co…

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## [New deploy of PerfCompare! May 5th](https://discourse.mozilla.org/t/new-deploy-of-perfcompare-may-5th/148223)

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**Author:** [@csevere](https://discourse.mozilla.org/u/csevere)\
**Replies:** 0\
**Last updated:** [May 5, 2026, 6:22pm UTC](https://discourse.mozilla.org/t/new-deploy-of-perfcompare-may-5th/148223 "2026-05-05T18:22:09Z")

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The latest version of PerfCompare is now live! Check out the change-log below to see the updates: Highlights \[kala\] Bug 2032537: Results Page: show count of the improvements and regressions in the subtests per plat…

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## [MozPhab 2.15.0 Released](https://discourse.mozilla.org/t/mozphab-2-15-0-released/148222)

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**Author:** [@sheehan](https://discourse.mozilla.org/u/sheehan)\
**Replies:** 0\
**Last updated:** [May 5, 2026, 4:23pm UTC](https://discourse.mozilla.org/t/mozphab-2-15-0-released/148222 "2026-05-05T16:23:33Z")

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Bugs resolved in Moz-Phab 2.15.0: bug 2033810 Open the browser to the uplift request form on successful moz-phab uplift bug 2036007 test\_integration\_patch.py flaky since v2.14.0 bug 2036394 moz-phab: circleci =\> github…

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## [Firefox Profiler Deployment (April 28, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-april-28-2026/148154)

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**Author:** [@fatadel](https://discourse.mozilla.org/u/fatadel)\
**Replies:** 0\
**Last updated:** [April 30, 2026, 12:09pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-april-28-2026/148154 "2026-04-30T12:09:45Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed: Highlights: \[fatadel\] Dim non-matching nodes in the stack chart when searching (#5935) \[Markus Stan…

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## [MozPhab 2.14.0 Released](https://discourse.mozilla.org/t/mozphab-2-14-0-released/148130)

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**Author:** [@sheehan](https://discourse.mozilla.org/u/sheehan)\
**Replies:** 0\
**Last updated:** [April 29, 2026, 4:15am UTC](https://discourse.mozilla.org/t/mozphab-2-14-0-released/148130 "2026-04-29T04:15:13Z")

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Bugs resolved in Moz-Phab 2.14.0: bug 2032102 Parallelize revision creation and diff property calls in submit for faster stack submission Discuss these changes in #engineering-workflow on Slack or #Conduit Matrix.

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## [MozPhab 2.13.1 Released](https://discourse.mozilla.org/t/mozphab-2-13-1-released/148127)

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**Author:** [@sheehan](https://discourse.mozilla.org/u/sheehan)\
**Replies:** 0\
**Last updated:** [April 28, 2026, 7:40pm UTC](https://discourse.mozilla.org/t/mozphab-2-13-1-released/148127 "2026-04-28T19:40:20Z")

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Bugs resolved in Moz-Phab 2.13.1: bug 2033054 Add AGENTS.md/CLAUDE.md for moz-phab bug 2034269 reorg --force aborts on abandoned-revision ghost links in stackGraph Discuss these changes in #engineering-workflow on Sla…

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## [Happy BMO Push Day! (20260415.1)](https://discourse.mozilla.org/t/happy-bmo-push-day-20260415-1/147960)

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**Author:** [@dkl1](https://discourse.mozilla.org/u/dkl1)\
**Replies:** 0\
**Last updated:** [April 15, 2026, 9:29pm UTC](https://discourse.mozilla.org/t/happy-bmo-push-day-20260415-1/147960 "2026-04-15T21:29:30Z")

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Github Link The following changes have been pushed to bugzilla.mozilla.org: Bug 2023761 - \[GITHUB\] Allow use of individual api keys for pull requests and push comments instead of single share secret Bug 2012634 - “Pha…

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## [MozPhab 2.13.0 Released](https://discourse.mozilla.org/t/mozphab-2-13-0-released/147946)

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**Author:** [@sheehan](https://discourse.mozilla.org/u/sheehan)\
**Replies:** 0\
**Last updated:** [April 15, 2026, 3:30pm UTC](https://discourse.mozilla.org/t/mozphab-2-13-0-released/147946 "2026-04-15T15:30:43Z")

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Bugs resolved in Moz-Phab 2.13.0: bug 1925717 stop calling edge.search in moz-phab patch by making use of the stackGraph revision field bug 2030443 Switch to uv for package management in moz-phab bug 2031283 Paralleliz…

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## [MozPhab 2.12.0 Released](https://discourse.mozilla.org/t/mozphab-2-12-0-released/147901)

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**Author:** [@sheehan](https://discourse.mozilla.org/u/sheehan)\
**Replies:** 0\
**Last updated:** [April 8, 2026, 6:04pm UTC](https://discourse.mozilla.org/t/mozphab-2-12-0-released/147901 "2026-04-08T18:04:04Z")

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Bugs resolved in Moz-Phab 2.12.0: bug 2029015 Clean up previous\_commit state tracking bug 2029072 Using moz-phab uplift --assessment-id shouldn’t require extra browser clicks Discuss these changes in #engineering-work…

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## [New Deploy of PerCompare April 7th](https://discourse.mozilla.org/t/new-deploy-of-percompare-april-7th/147890)

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**Author:** [@csevere](https://discourse.mozilla.org/u/csevere)\
**Replies:** 0\
**Last updated:** [April 7, 2026, 10:05pm UTC](https://discourse.mozilla.org/t/new-deploy-of-percompare-april-7th/147890 "2026-04-07T22:05:18Z")

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The latest version of PerfCompare is now live! Check out the change-log below to see the updates: \[kala\] Bug: 2020622 Updated column title from Total Runs to Total Trials #1012 Bug 2024075 Test Version Refactor: Move…

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## [Engineering Effectiveness Newsletter (Q1 2026 Edition)](https://discourse.mozilla.org/t/engineering-effectiveness-newsletter-q1-2026-edition/147880)

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**Author:** [@dkl1](https://discourse.mozilla.org/u/dkl1)\
**Replies:** 0\
**Last updated:** [April 7, 2026, 3:37pm UTC](https://discourse.mozilla.org/t/engineering-effectiveness-newsletter-q1-2026-edition/147880 "2026-04-07T15:37:38Z")

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Welcome to the Q1 edition of the Engineering Effectiveness Newsletter! The Engineering Effectiveness org makes it easy to develop, test and release Mozilla software at scale. See below for some highlights, then read on f…

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## [MozPhab 2.11.1 Released](https://discourse.mozilla.org/t/mozphab-2-11-1-released/147821)

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**Author:** [@sheehan](https://discourse.mozilla.org/u/sheehan)\
**Replies:** 0\
**Last updated:** [April 2, 2026, 8:26pm UTC](https://discourse.mozilla.org/t/mozphab-2-11-1-released/147821 "2026-04-02T20:26:38Z")

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Bugs resolved in Moz-Phab 2.11.1: bug 2028700 Only request AI review for updates if the --ai flag is passed Discuss these changes in #engineering-workflow on Slack or #Conduit Matrix.

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## [MozPhab 2.11.0 Released](https://discourse.mozilla.org/t/mozphab-2-11-0-released/147789)

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**Author:** [@sheehan](https://discourse.mozilla.org/u/sheehan)\
**Replies:** 0\
**Last updated:** [April 1, 2026, 4:33pm UTC](https://discourse.mozilla.org/t/mozphab-2-11-0-released/147789 "2026-04-01T16:33:10Z")

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Bugs resolved in Moz-Phab 2.11.0: bug 2026935 moz-phab submit: add --test-plan flag Discuss these changes in #engineering-workflow on Slack or #Conduit Matrix.

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## [MozPhab 2.10.0 Released](https://discourse.mozilla.org/t/mozphab-2-10-0-released/147778)

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**Author:** [@sheehan](https://discourse.mozilla.org/u/sheehan)\
**Replies:** 0\
**Last updated:** [March 31, 2026, 8:30pm UTC](https://discourse.mozilla.org/t/mozphab-2-10-0-released/147778 "2026-03-31T20:30:58Z")

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Bugs resolved in Moz-Phab 2.10.0: bug 2024404 Add --ai flag to moz-phab to trigger Review Helper automatically bug 2028164 moz-phab test failure: TypeError: Object of type AiReviewState is not JSON serializable Discus…

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## [MozPhab 2.9.1 Released](https://discourse.mozilla.org/t/mozphab-2-9-1-released/147741)

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**Author:** [@sheehan](https://discourse.mozilla.org/u/sheehan)\
**Replies:** 0\
**Last updated:** [March 27, 2026, 7:41pm UTC](https://discourse.mozilla.org/t/mozphab-2-9-1-released/147741 "2026-03-27T19:41:59Z")

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Bugs resolved in Moz-Phab 2.9.1: bug 2026194 moz-phab uplift should not set a reviewerless patch as WIP bug 2026300 Remove redundant “Figuring out who you are” wait message Discuss these changes in #engineering-workfl…

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## [Firefox Profiler Deployment (March 20, 2026)](https://discourse.mozilla.org/t/firefox-profiler-deployment-march-20-2026/147677)

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**Author:** [@canova](https://discourse.mozilla.org/u/canova)\
**Replies:** 0\
**Last updated:** [March 20, 2026, 12:26pm UTC](https://discourse.mozilla.org/t/firefox-profiler-deployment-march-20-2026/147677 "2026-03-20T12:26:52Z")

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The latest version of the Firefox Profiler is now live! Check out the full changelog below to see what’s changed. Highlights: \[fatadel\] Make network markers in the network panel sticky on click (#5884) Other Changes: …

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## [New Deploy of PerfCompare (March 16th)](https://discourse.mozilla.org/t/new-deploy-of-perfcompare-march-16th/147639)

<div class="topic-metadata">

**Author:** [@csevere](https://discourse.mozilla.org/u/csevere)\
**Replies:** 0\
**Last updated:** [March 16, 2026, 9:12pm UTC](https://discourse.mozilla.org/t/new-deploy-of-perfcompare-march-16th/147639 "2026-03-16T21:12:19Z")

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The latest version of PerfCompare is now live! Check out the change-log below to see the updates: Highlights: \[kala-moz\] Test version refactor: column config and rendering (#1004) BUG 2019125: Remove replicates t…

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