Created attachment 171096 [details] A video showing the observed behavior. The important part is in the bottom left quarter of the screen. SUMMARY Dragging an icon either from the Application Launcher or the Icons-only Task Manager and then moving the icon back-and-forth above a panel and a Firefox window, the contents of a webpage will start moving. STEPS TO REPRODUCE 1. Open a long webpage in Firefox (might work with other browsers as well), I used kde.org 2. Drag an icon from the Icons-only Task Manager above the webpage 3. Start moving it between the webpage and the panel (still dragging the icon, not releasing the mouse button) OBSERVED RESULT The webpage start scrolling down by itself EXPECTED RESULT No movement on the webpage SOFTWARE/OS VERSIONS Operating System: KDE neon Testing Edition KDE Plasma Version: 6.1.1 KDE Frameworks Version: 6.4.0 Qt Version: 6.7.0 Kernel Version: 6.5.0-41-generic (64-bit) Graphics Platform: Wayland Processors: 4 × Intel® Core™ i5-4210U CPU @ 1.70GHz Memory: 7.6 GiB of RAM Graphics Processor: Mesa Intel® HD Graphics 4400 Manufacturer: Hewlett-Packard Product Name: HP EliteBook 840 G1 System Version: A3009DD10303 ADDITIONAL INFORMATION Note that I'm using KDE Neon testing in a live environment, and updates not applied. I'm using Neon as is, without any major changes.
Can reproduce, but this is a Firefox thing. It may not even be considered a bug.