https://bugs.kde.org/show_bug.cgi?id=520424

            Bug ID: 520424
           Summary: KWin 6.6.5 intercepts touch events from uinput virtual
                    devices, breaking multitouch in apps
    Classification: Plasma
           Product: kwin
      Version First 6.6.5
       Reported In:
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: input
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected]
  Target Milestone: ---

Since upgrading KWin from 6.6.4 to 6.6.5, touch events from virtual uinput 
devices (specifically Weylus Touch) are intercepted by KWin and translated 
into window management actions (minimize, move window) instead of being 
passed to applications.

Steps to reproduce:
1. Run Weylus to create a virtual touch device via uinput
2. Use the touch device in any application (e.g. Xournal++)
3. Touch gestures move/minimize the window instead of interacting with the app

Expected: touch events passed through to the application
Actual: KWin intercepts touch and performs window management actions

Downgrading to KWin 6.6.4 resolves the issue.

Session type: Wayland
DE: KDE Plasma 6.6.5
Distribution: CachyOS

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