Created attachment 185633 [details] Transparent background does not scale with fractional scaling SUMMARY Transparent images only show the checkerboard or solid color background at the top left of the image for larger transparent images while using fractional scaling. STEPS TO REPRODUCE 1. Set display configuration to use fractional scaling 2. Set background color mode by right clicking the image 3. Set Configure Gwenview > Image View > Show transparency with: to either checkerboard or solid color background that is different from the background color 4. Open a large enough transparent image OBSERVED RESULT Checkerboard/solid color background fills part of the image. EXPECTED RESULT Checkerboard/solid color background should extend to the full image. SOFTWARE/OS VERSIONS Linux/KDE Plasma: CachyOS KDE Plasma Version: 6.4.5 KDE Frameworks Version: 6.18.0 Qt Version: 6.9.2 ADDITIONAL INFORMATION Wayland 150% Display Scaling
Confirmed here with 150% scaling, on: Operating System: openSUSE Tumbleweed 20251031 KDE Plasma Version: 6.5.1 KDE Frameworks Version: 6.19.0 Qt Version: 6.10.0 Kernel Version: 6.17.6-1-default (64-bit) Graphics Platform: Wayland Processors: 12 × AMD Ryzen 5 3600 6-Core Processor Memory: 32 GiB of RAM (31,3 GiB usable) Graphics Processor: AMD Radeon RX 550 / 550 Series