SUMMARY Dolphin ignores Window Placement setting in KDE and always opens at a location it was previously closed at. STEPS TO REPRODUCE 1. Go to System Settings -> Window Management -> Window Behaviour -> Advanced 2. Set Window Placement to Under Mouse 3. Open Dolphin OBSERVED RESULT Dolphin doesn't open under mouse EXPECTED RESULT Dolphin opens under mouse SOFTWARE/OS VERSIONS Operating System: Arch Linux KDE Plasma Version: 5.27.10 KDE Frameworks Version: 5.114.0 Qt Version: 5.15.12 Kernel Version: 6.7.2-arch1-1 (64-bit) Graphics Platform: X11 Processors: 16 × AMD Ryzen 7 5700G with Radeon Graphics Memory: 31,2 GiB of RAM Graphics Processor: NVIDIA GeForce RTX 3060/PCIe/SSE2 Manufacturer: Micro-Star International Co., Ltd. Product Name: MS-7C95 System Version: 1.0 ADDITIONAL INFORMATION It could be possible that Dolphin has its own code in place that moves the window upon startup. If that's the case, this code should be removed, apps should never move themselves, it's up to the compositor