2013766 - Firefox seems to have memory leaks when watching YouTube lives

Status: UNCONFIRMED

(Core :: Widget: Gtk, defect, P3)

Description

[Fernando Marcelino Muniz]

Attachment: Captura de imagem_20260201_113237.png

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0

Steps to reproduce:

Watch a livestream.

Actual results:

4,2GB of RAM being used for no apparent reason.

Expected results:

Around 1GB like it is for all other contents.

Comment 1

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

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

Comment 2

[Fernando Marcelino Muniz]

Attachment: Captura de imagem_20260201_114119.png

4,6GB

Comment 3

[Martin Stránský [:stransky] (ni? me)]

Can you please attach report from about:memory for it?
Thanks.

Comment 4

[Fernando Marcelino Muniz]

While it's happening or anytime?

Comment 5

[Martin Stránský [:stransky] (ni? me)]

(In reply to Fernando Marcelino Muniz from comment #4)

While it's happening or anytime?

While it's happening.

Comment 6

[Fernando Marcelino Muniz]

Attachment: Captura de imagem_20260206_160017.png

It crashed, but I got some of these files.

https://drive.google.com/drive/folders/1bqbuyUnIS-LYmi0shKvbgLytVIz8J86s