2000445 - 147.0a1 (2025-11-16) (64-bit) bookmarks 2nd drop-down menu does not appear

Status: RESOLVED DUPLICATE of bug 2000409

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

Description

[[e-mail]]

Attachment: Screencast From 2025-11-16 13-55-58.mp4

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

Steps to reproduce:

click on bookmarks - drop-down menu appears
move mouse pointer on menu

note: problem only with Nightly
Ubuntu 25.10 on Gigabyte H510M H

Actual results:

no 2nd level drop-down menu appear

Expected results:

2nd level drop-down should appear

Comment 1

[BugBot [:suhaib / :marco]]

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

[[e-mail]]

Removing Firefox Nightly and reinstalling Firefox 145.0 (64-bit) problem disappeared so i think the problem is just Nightly

Comment 3

[[e-mail]]

Problem occurs only in Wayland, does not occur in x11

Comment 4

[Thinker Li [:sinker]]

What desktop environment or window manager(compositor) do you use? KDE, GNOME, ...?

Comment 5

[[e-mail]]

Ubuntu 25.10 or 26.04 GNOME Wayland

Comment 6

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

Thanks for the report. Please run latest nightly on terminal with MOZ_LOG="WidgetPopup:5" env variable, reproduce it and attach the log here. For instance as:

MOZ_LOG="WidgetPopup:5" ./firefox > log.txt 2>&1

and attach log.txt here.
Thanks.

Comment 7

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

Looks like it was caused by Bug 1998657 and it's already fixed by backout.

Comment 9

[[e-mail]]

Problem fixed on Ubuntu 25.04 with Nyghtly 147.0a1 (2025-11-18) (64-bit)

Comment 10

[[e-mail]]

Attaching log as requested /home/corrado/log.txt

Comment 11

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

No need to attach the log, it's already backed out.
Thanks.