[Wayland/sway] Firefox 149 first window opens as floating (user_on) on wlroots 0.19.3
Categories
(Core :: Widget: Gtk, defect)
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People
(Reporter: k.sindelka, Unassigned)
References
(Blocks 1 open bug)
Details
User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:149.0) Gecko/20100101 Firefox/149.0
Steps to reproduce:
- Upgraded Firefox to 149.0 and wlroots to 0.19.3 on Arch Linux
- Launched Firefox cold (no existing Firefox process running) on sway Wayland compositor
- Observed the window state via: swaymsg -t get_tree
Actual results:
The first Firefox window opens floating instead of tiled. sway reports the window as floating: "user_on", meaning wlroots translated some xdg-shell message from Firefox into an explicit sway float command (not auto-float from size hints).
The window briefly appears tiled before snapping to floating, and closing the window leaves a damage/ghost rectangle on screen. Only the first cold-start window is affected — windows opened while Firefox is already running behave correctly.
sway IPC (swaymsg -t subscribe '["window"]') emits only a single "newThis regression is not present with Firefox 148.0.2 + wlroots 0.19.2." event with type "con" (tiled) — no subsequent "floating" event is emitted, despite the window ending up floating.
This regression is not present with Firefox 148.0.2 + wlroots 0.19.2.
Expected results:
The Firefox window should open tiled, as it did with Firefox 148.0.2 on wlroots 0.19.2. A regular browser window should not request or trigger floating behaviour in a tiling window manager.
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Comment 1•5 months ago
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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.
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Comment 2•5 months ago
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Please use mozregression to find the broken commit:
https://fedoraproject.org/wiki/How_to_debug_Firefox_problems#Use_Mozregression_tool
Thanks.
Closing - it turned out to be user error.
Description
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