Bug #1092

Mouse cursor exits game window on multi-screen Linux setup

Status:	Open
Priority:	Medium
Added by:	l_one on February 1, '26
Assigned to:	Unassigned
Due date:
Reported for:	S06.00 Auto

Steps to Reproduce

1. Move the mouse to the right with 3 large slides on the mouse pad
2. Spam the right click (or the left, both works) while sliding the mouse to the right
3. The mouse will be out of the game screen

Explanation

First I wanted to say, thanks a lot for working on this incredible game .You are one of the few service game with a great ethic and not actively playing on the fomo feeling / forcing the player to farm thousands of hours or pay if they want something.

Now my bug is that when playing, either in fullscreen, windowed fullscreen or windowed with the lock mouse checkbox checked, my mouse can leave the active window and wander in my other screens (I have a multi screen setup). This happens a lot and is really annoying. For now I couldn't find any fix.
Pressing Alt+Enter multiple times didn't fix it, enabling Capture the mouse in fullscreen windows in protontricks didn't fix it. No launch option could fix it as well.

FYI I am running the game on linux, with proton 9.0-4. I am using the GNOME (49.2) desktop environment with wayland as a compositor.
I tested the game on windows and it doesn't have this issue but it only happens with your game on linux. For example, Borderlands 3 also use Unreal engine 4 and doesn't have this "mouse leaving the game" problem.

I hope you can find a fix for this,
Best regards.

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