1807625 - this.dropIndicator is null when clicking on the list all tabs button

Status: VERIFIED FIXED

(Firefox :: Tabbed Browser, defect)

Description

[kernp25]

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:108.0) Gecko/20100101 Firefox/108.0

Steps to reproduce:

1. Click on the list all tabs button next to the new tab button
2. Make sure the popup/list closes

Actual results:

this.dropIndicator is null error in the browser console.

Comment 1

[BugBot [:suhaib / :marco]]

The Bugbug bot thinks this bug should belong to the 'Firefox::Tabbed Browser' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Comment 2

[BugBot [:suhaib / :marco]]

:arai, since you are the author of the regressor, bug 1790577, could you take a look? Also, could you set the severity field?

For more information, please visit auto_nag documentation.

Comment 3

[kernp25]

Attachment: Bug 1807625 - Fix for this.dropIndicator is null. r?NeilDeakin

Comment 4

[BugBot [:suhaib / :marco]]

Set release status flags based on info from the regressing bug 1790577

Comment 5

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/d417615b2796
Fix for this.dropIndicator is null. r=NeilDeakin

Comment 6

[Narcis Beleuzu [:NarcisB]]

https://hg.mozilla.org/mozilla-central/rev/d417615b2796

Comment 7

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

Reproduced the issue with Firefox 110.0a1 (2022-12-26) on Windows 10x64. Opening and closing the List all tabs drop-down menu will display a this.dropIndicator is null error in the browser console.
The issue is no longer reproducible with Firefox 110.0b2 on Windows 10x64, macOS 10.15 and Ubuntu 20.04. The error is no longer present after opening and closing the List all tabs drop-down menu.