1706590 - Overflow menu items and scroll bar are exiting the panel when browser is resized

Status: RESOLVED DUPLICATE of bug 1708735

(Firefox :: Toolbars and Customization, defect, P2)

Description

[Alexandru Trif, Desktop QA [:atrif]]

Attachment: proton_cutomize.gif

Affected versions

• 90.0a1(20210420213949)
• 89.0b2 (20210420191345)

Affected platforms

• Windows 10x64
• macOS 11.2.3
• Ubuntu 20.04

Steps to reproduce

1. Open Firefox and Customize menu.
2. Add random items inside and resize the browser horizontally making it smaller.

Expected result

• Overflow menu is displayed as expected.

Actual result

• Items and scrollbar are displayed over the overflow panel.

Regression range

• This issue can be seen before this regressor bug as well but after this bug, the issue is more visible:
  Pushlog: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=b031f196c01b1b70a735bfca2022c66ad35be6bc&tochange=bdeb59f66b0258e3deaf065c1e435f636a910e0d

Notes

• Attached a screen recording with proton enabled and disabled as well.
• With proton disabled there can be seen a small issue also but it is more visible with proton enabled.

Comment 1

[Alexandru Trif, Desktop QA [:atrif]]

Hello! It seems that this issue was fixed by Bug 1708735 (ran a mozregression find-fix). Closing this. Verified with 91.0b6 and 92.0a1 (20210723093620) on Windows 10x64.