1845733 - Animation too long when switching from fullscreen to another tab

Status: NEW

(Firefox :: Tabbed Browser, defect, P3)

Description

[Leandro Botella Penalva]

Attachment: example video.txt

Steps to reproduce:

Go to a Youtube video (e.g https://www.youtube.com/watch?v=lpJilhkbC9s) and switch to fullscreen. Then press Control Key + Number to switch to a tab or Control + T to open a new tab.

Actual results:

Sometimes animation freezes and the screen stays black longer.

Expected results:

The animation should not take more time than the expected.

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

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

[Ardelean Oana, Desktop Test Engineering [:oardelean]]

Hello, thank you for the bug report!
Managed to reproduce on:

• Nightly 117.0a1( Windows only; macOS has a smooth animation)
• Firefox 116.0;
• Firefox 115.0.3;

Tested and reproduced on:

• Windows 10:
• macOS 12:

Could not reproduce on Ubuntu 22.
Setting as NEW so the developing team can have a look.