2006401 - 0.46% installer size (OSX) regression on Fri December 12 2025

Status: RESOLVED WONTFIX

(Firefox :: General, defect)

Description

[Treeherder Bug Filer]

Perfherder has detected a build_metrics performance regression from push e91507b4bd9e44d21098585b959edf3cfc6a5c04. As author of one of the patches included in that push, we need your help to address this regression.

Please acknowledge, and begin investigating this alert within 3 business days, or the patch(es) may be backed out in accordance with our regression policy. Our guide to handling regression bugs has information about how you can proceed with this investigation.

If you have any questions or need any help with the investigation, please reach out to [e-mail]. Alternatively, you can find help on Slack by joining #perf-help, and on Matrix you can find help by joining #perftest.

Regressions:

Ratio	Test	Platform	Options	Absolute values (old vs new)
0.46%	installer size	osx-nightlyasrelease	nightly nightly-as-release	112,279,707.88 -> 112,792,438.08

Details of the alert can be found in the alert summary, including links to graphs and comparisons for each of the affected tests.

You can run all of these tests on try with ./mach try perf --alert 47902

The following documentation link provides more information about this command.

Comment 1

[BugBot [:suhaib / :marco]]

Set release status flags based on info from the regressing bug 2000739

Comment 2

[BugBot [:suhaib / :marco]]

It has been over 7 days with no activity on this performance regression.

:julianwels, since you are the author of the regressor, bug 2000739, which triggered this performance alert, could you please provide a progress update?

If this regression is something that fixes a bug, changes the baseline of the regression metrics, or otherwise will not be fixed, please consider closing it as WONTFIX. See this documentation for more information on how to handle regressions.

For additional information/help, please needinfo the performance sheriff who filed this alert (they can be found in comment #0), or reach out in #perftest, or #perfsheriffs on Element.

For more information, please visit BugBot documentation.

Comment 3

[BugBot [:suhaib / :marco]]

It has been over 7 days with no activity on this performance regression.

:julianwels, since you are the author of the regressor, bug 2000739, which triggered this performance alert, could you please provide a progress update?

If this regression is something that fixes a bug, changes the baseline of the regression metrics, or otherwise will not be fixed, please consider closing it as WONTFIX. See this documentation for more information on how to handle regressions.

For additional information/help, please needinfo the performance sheriff who filed this alert (they can be found in comment #0), or reach out in #perftest, or #perfsheriffs on Element.

For more information, please visit BugBot documentation.

Comment 4

[BugBot [:suhaib / :marco]]

A comment containing a reason for why the performance regression was resolved as WONTFIX could not be found. It should provided when the status of the bug is changed.

:julianwels, since you resolved this bug, could you provide a comment explaining the resolution? If one has already been provided, this needinfo can be ignored/removed.

If you need additional information/help, reach out in #perftest, or #perfsheriffs on Element.

For more information, please visit BugBot documentation.

Comment 5

[Juliana Gaibler [:juliana]]

Size increase is expected because we added a new icon for macOS versions that support liquid glass to be compatible with that.
The new assets increased the size.