1559909 - Bookmark Toolbar changes height when hovering over zoom or edit controls tools after adding them to bookmark toolbar

Status: NEW

(Firefox :: Toolbars and Customization, defect, P3)

Description

[Bogdan Maris, Desktop Test Engineering]

Affected versions

• Firefox 67.0.2
• Firefox 68.0b11
• Firefox 69.0a1

Affected platforms

• Ubuntu 18.04 64bit

Unaffected platforms

• Windows 10 64bit
• macOS 10.13.6

Steps to reproduce

1. Start Firefox
2. Enter Customize
3. Enable Bookmark Toolbar
4. Move Zoom controls in the Bookmarks Toolbar
5. Exit Customize
6. Hover over any button from Zoom controls

Expected result

• Fx is not changed when hovering over Zoom controls

Actual result

• Bookmarks Toolbar changes height when hovering over Zoom controls/Edit Controls.

Regression range

• First bad: a0eb21bf55e1c1ae0ba311e6f2273da05c712799 (2017-09-19)
• Last good: 42151fcd6cfc216d147730d0f2c6a2acd52d22fd (2017-09-18)
• Pushlog: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=42151fcd6cfc216d147730d0f2c6a2acd52d22fd&tochange=a0eb21bf55e1c1ae0ba311e6f2273da05c712799
• Potential regressor: not sure who could be the regressor here, maybe an engineer would know better.

Comment 1

[Alice0775 White]

https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=ea1956ea8a5019f9d39cb107ee705f7519f99603&tochange=fa4c0d77707688a2c99384ca2e202763b609b0db

Regressed by: fa4c0d77707688a2c99384ca2e202763b609b0db Johann Hofmann — Bug 1389966 - Make toolbarbuttons in the bookmarks toolbar adjust to toolbar height. r=Gijs

Comment 2

[Pascal Chevrel:pascalc]

Old regression, any fix coming will ride the trains.

Comment 3

[Liz Henry (:lizzard) (relman/hg->git project)]

Happy to take a patch for 70 but since this is triaged and set to P3 priority I'm setting it as fix-optional.
That will remove the bug from weekly regression triage.