https://bugs.kde.org/show_bug.cgi?id=427073
--- Comment #5 from Ahab Greybeard <ahab.greybe...@hotmail.co.uk> --- I don't see this happening with the 4.3.0 appimage on Ubuntu 20.04.1 with the MATE desktop. Did it happen with the 4.2.9 appimage and does it happen with every image you try with the 4.3.0 appimage? SOFTWARE/OS VERSIONS Krita Version: 4.3.0 Languages: en_GB, en, en, en_GB, en Hidpi: true Qt Version (compiled): 5.12.8 Version (loaded): 5.12.8 OS Information Build ABI: x86_64-little_endian-lp64 Build CPU: x86_64 CPU: x86_64 Kernel Type: linux Kernel Version: 5.4.0-42-generic Pretty Productname: Ubuntu 20.04.1 LTS Product Type: ubuntu Product Version: 20.04 Desktop: MATE OpenGL Info Vendor: "NVIDIA Corporation" Renderer: "GeForce GTX 750 Ti/PCIe/SSE2" Version: "4.6.0 NVIDIA 440.100" Shading language: "4.60 NVIDIA" Requested format: QSurfaceFormat(version 3.0, options QFlags<QSurfaceFormat::FormatOption>(DeprecatedFunctions), depthBufferSize 24, redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer, swapInterval 0, colorSpace QSurfaceFormat::DefaultColorSpace, profile QSurfaceFormat::CompatibilityProfile) Current format: QSurfaceFormat(version 4.6, options QFlags<QSurfaceFormat::FormatOption>(DeprecatedFunctions), depthBufferSize 24, redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer, swapInterval 0, colorSpace QSurfaceFormat::DefaultColorSpace, profile QSurfaceFormat::CompatibilityProfile) Version: 4.6 Supports deprecated functions true is OpenGL ES: false QPA OpenGL Detection Info supportsDesktopGL: true supportsOpenGLES: true isQtPreferOpenGLES: false Hardware Information GPU Acceleration: auto Memory: 16010 Mb Number of Cores: 8 Swap Location: /tmp Current Settings Current Swap Location: /tmp Current Swap Location writable: true Undo Enabled: true Undo Stack Limit: 30 Use OpenGL: true Use OpenGL Texture Buffer: true Use AMD Vectorization Workaround: false Canvas State: OPENGL_SUCCESS Autosave Interval: 900 Use Backup Files: true Number of Backups Kept: 1 Backup File Suffix: ~ Backup Location: Same Folder as the File Backup Location writable: false Use Win8 Pointer Input: false Use RightMiddleTabletButton Workaround: false Levels of Detail Enabled: false Use Zip64: false Display Information Number of screens: 2 Screen: 0 Name: DVI-D-0 Depth: 24 Scale: 1 Resolution in pixels: 1280x1024 Manufacturer: Dell Inc. Model: DELL 1704FPV- Refresh Rate: 60 Screen: 1 Name: DVI-D-1 Depth: 24 Scale: 1 Resolution in pixels: 1280x1024 Manufacturer: Dell Inc. Model: DELL 1704FPV- Refresh Rate: 60 -- You are receiving this mail because: You are watching all bug changes.