1862126 - On macOS, maximizing a YouTube video on an external display makes the Dock disappear on the laptop's own screen.

Status: RESOLVED DUPLICATE of bug 1862223

(Core :: Widget: Cocoa, defect)

Description

[a.dufva]

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/119.0

Steps to reproduce:

On an external display I maximized a YouTube video from the full screen icon in the bottom right corner of the video playing (when you click the video and the controls are shown). Tested on Apple Silicon M1 and M2, Ventura and Sonoma.

Actual results:

The Dock on the Macbook's built-in display disappears.

Expected results:

Nothing other than the video being maximized on its own display, the Dock not to disappear on the Macbook's own display. Things happening on an external display should not affect things on the built-in display.

Comment 1

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

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

Comment 2

[Stephen A Pohl [:spohl]]

This will be fixed once full-screen-api.macos-native-full-screen is set to true by default.