1709780 - Opening History from Library while inside Overflow menu displays a long dropdown for a split second when opening library again

Status: RESOLVED FIXED

(Core :: Graphics: WebRender, defect)

Description

[Alexandru Trif, Desktop Test Engineering [:atrif]]

Attachment: library_drop.gif

Affected versions

• 90.0a1(20210428215523)

Preconditions

• History list populated

Affected platforms

• Windows10 x64

Steps to reproduce

1. Open Firefox and add the Library inside the Overflow menu.
2. Click on Overflow -> Library -> History.
3. Click Back arrow until only Library is displayed.
4. Click Library and Back arrow.

Expected result

• The Library and Overflow panel is displayed with no visual issues.

Actual result

• Long drop down is shown when clicking Library and Back arrow inside overflow menu.

Regression range

• Last good revision: a5872317b9a09c03477c9bcc0b03d64f144e624b
  First bad revision: a55a815cbdc834561da11ae8736403774fd1ff8a
  Pushlog:
  https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=a5872317b9a09c03477c9bcc0b03d64f144e624b&tochange=a55a815cbdc834561da11ae8736403774fd1ff8a

Notes

• Attached a screen recording.
• This can be reproduced with a clean profile as well by opening Bookmarks and History inside LIbrary but it’s more reproducible while having more history items.
• I cannot reproduce the issue on 89.0b8 by following the above STR.

Comment 1

[Julien Cristau [:jcristau]]

Are sw-wr popups going to ride the trains to 90?

Comment 2

[Sotaro Ikeda [:sotaro]]

The problem might be addressed by bug 1709998 .

Comment 3

[Sotaro Ikeda [:sotaro]]

:atrif, is the problem addressed on latest nightly?

Comment 4

[Alexandru Trif, Desktop Test Engineering [:atrif]]

(In reply to Sotaro Ikeda [:sotaro] from comment #3)

:atrif, is the problem addressed on latest nightly?

Yep, it seems that I can no longer reproduce the issue with Firefox 90.0a1 (20210518213628) on Windows 10x64.