In the kolourpaint that shipped with Plasma 5.x, you could use the arrow keys to move the cursor as you were moving a selection or drawing. On kolourpaint 24.12.3 that shipped with Plasma 6.3.4, that feature seems to have disappeared. I've tried it on both my desktop and laptop, and they both have the same issue. Desktop PC info: Operating System: Kubuntu 25.04 KDE Plasma Version: 6.3.4 KDE Frameworks Version: 6.12.0 Qt Version: 6.8.3 Kernel Version: 6.14.0-35-generic (64-bit) Graphics Platform: Wayland Processors: 8 × Intel® Core™ i3-10100 CPU @ 3.60GHz Memory: 31.1 GiB of RAM Graphics Processor: Intel® UHD Graphics 630 Manufacturer: LENOVO Product Name: 11QE00CFGP System Version: V50t Gen 2-13IOB