Created attachment 173959 [details] Contains KritaUsageLog.txt, KritaSystemInformation.txt, Test.kra and screenshots of the aforementioned issue. SUMMARY Apple removed support for deprecated Quick Look Generator plugins (kritaquicklook.qlgenerator) from macOS 15 Sequoia, leading to empty thumbnails for .kra files and broken QuickLook previewing. Please migrate to Quick Look Preview Extension and Thumbnail Extension API. Documentation for developers can be found below. Forum discussion: https://krita-artists.org/t/icon-thumbnails-not-displaying-on-mac-desktop/102375 macOS Sequoia 15 Release Notes: https://developer.apple.com/documentation/macos-release-notes/macos-15-release-notes#Quick-Look Apple Developer Documentation Providing Thumbnails of Your Custom File Types: https://developer.apple.com/documentation/quicklookthumbnailing/providing-thumbnails-of-your-custom-file-types Apple Developer Documentation QuickLook Thumbnailing: https://developer.apple.com/documentation/quicklookthumbnailing Apple Developer Documentation QuickLookUI: https://developer.apple.com/documentation/QuickLookUI Apple Developer Documentation QuickLook: https://developer.apple.com/documentation/quicklook STEPS TO REPRODUCE 1. Install Krita via DMG or Homebrew on macOS 15 Sequoia. 2. Open Krita and save an image in .kra format. 3. Open Finder and find the newly saved .kra file. OR 1. Upgrade from macOS 14 Sonoma to macOS 15 Sequoia with Krita and .kra files already on macOS 14 Sonoma. 2. Open Finder and find existing .kra files. OBSERVED RESULT Thumbnails are not displayed for .kra files. QuickLook preview does not work. EXPECTED RESULT Thumbnails should be displayed for .kra files. QuickLook preview should work. SOFTWARE/OS VERSIONS Windows: macOS: macOS 15.0 Sequoia (available in the Info Center app, or by running `kinfo` in a terminal window) Linux/KDE Plasma: KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
Git commit 921f9b73682df40f5194f6e60831c9d4e5460d75 by Halla Rempt, on behalf of Ivan Yossi. Committed on 03/12/2025 at 12:46. Pushed by rempt into branch 'master'. macos: working version of thumbnailer This adds a PreviewHelper app to embed the thumbnailer to it. We need this as application extensions does not register to lsregister if they are not embedded inside a bundle application. Small fixes to all project configurations The thumbnailer works as expected, special care needs to be taken with request.scale as it has the current screen scaling, cgImage need to take this into account. M +184 -10 krita/integration/integration.xcodeproj/project.pbxproj A +79 -0 krita/integration/integration.xcodeproj/xcshareddata/xcschemes/kritaquicklookng.xcscheme A +11 -0 krita/integration/previewHelper/Assets.xcassets/AccentColor.colorset/Contents.json A +58 -0 krita/integration/previewHelper/Assets.xcassets/AppIcon.appiconset/Contents.json A +6 -0 krita/integration/previewHelper/Assets.xcassets/Contents.json A +24 -0 krita/integration/previewHelper/ContentView.swift A +125 -0 krita/integration/previewHelper/Info.plist A +18 -0 krita/integration/previewHelper/previewHelperApp.swift M +1 -1 krita/integration/quicklookng/Info.plist M +58 -30 krita/integration/quicklookng/ThumbnailProvider.swift https://invent.kde.org/graphics/krita/-/commit/921f9b73682df40f5194f6e60831c9d4e5460d75
Git commit bd5b2e819731c2ac700fa055310a80a812d67f07 by Halla Rempt, on behalf of Ivan Yossi. Committed on 03/12/2025 at 12:46. Pushed by rempt into branch 'master'. macos: implement preview provider for macos 12 and up M +3 -0 krita/integration/CMakeLists.txt M +354 -2 krita/integration/integration.xcodeproj/project.pbxproj A +95 -0 krita/integration/integration.xcodeproj/xcshareddata/xcschemes/krita-preview.xcscheme A +71 -0 krita/integration/integration.xcodeproj/xcshareddata/xcschemes/krita-preview_helper.xcscheme A +78 -0 krita/integration/integration.xcodeproj/xcshareddata/xcschemes/previewHelper.xcscheme A +21 -0 krita/integration/krita-preview/Base.lproj/PreviewViewController.xib A +24 -0 krita/integration/krita-preview/Info.plist A +126 -0 krita/integration/krita-preview/PreviewProvider.swift A +40 -0 krita/integration/krita-preview/PreviewViewController.swift A +24 -0 krita/integration/krita-preview_helper/krita-preview-Info.plist M +5 -1 packaging/macos/osxdeploy.sh https://invent.kde.org/graphics/krita/-/commit/bd5b2e819731c2ac700fa055310a80a812d67f07
Git commit 955bbc3d6cb3210910cc99413905ab31123285b9 by Ivan Yossi. Committed on 04/12/2025 at 17:42. Pushed by ivany into branch 'krita/5.2'. macos: working version of thumbnailer This adds a PreviewHelper app to embed the thumbnailer to it. We need this as application extensions does not register to lsregister if they are not embedded inside a bundle application. Small fixes to all project configurations The thumbnailer works as expected, special care needs to be taken with request.scale as it has the current screen scaling, cgImage need to take this into account. (cherry picked from commit 921f9b73682df40f5194f6e60831c9d4e5460d75) M +184 -10 krita/integration/integration.xcodeproj/project.pbxproj A +79 -0 krita/integration/integration.xcodeproj/xcshareddata/xcschemes/kritaquicklookng.xcscheme A +11 -0 krita/integration/previewHelper/Assets.xcassets/AccentColor.colorset/Contents.json A +58 -0 krita/integration/previewHelper/Assets.xcassets/AppIcon.appiconset/Contents.json A +6 -0 krita/integration/previewHelper/Assets.xcassets/Contents.json A +24 -0 krita/integration/previewHelper/ContentView.swift A +125 -0 krita/integration/previewHelper/Info.plist A +18 -0 krita/integration/previewHelper/previewHelperApp.swift M +1 -1 krita/integration/quicklookng/Info.plist M +58 -30 krita/integration/quicklookng/ThumbnailProvider.swift https://invent.kde.org/graphics/krita/-/commit/955bbc3d6cb3210910cc99413905ab31123285b9
Git commit 0f307e5d165099e6c2f67c0fbf8cb8ec21f7c1c8 by Ivan Yossi. Committed on 04/12/2025 at 17:42. Pushed by ivany into branch 'krita/5.2'. macos: implement preview provider for macos 12 and up (cherry picked from commit bd5b2e819731c2ac700fa055310a80a812d67f07) M +3 -0 krita/integration/CMakeLists.txt M +354 -2 krita/integration/integration.xcodeproj/project.pbxproj A +95 -0 krita/integration/integration.xcodeproj/xcshareddata/xcschemes/krita-preview.xcscheme A +71 -0 krita/integration/integration.xcodeproj/xcshareddata/xcschemes/krita-preview_helper.xcscheme A +78 -0 krita/integration/integration.xcodeproj/xcshareddata/xcschemes/previewHelper.xcscheme A +21 -0 krita/integration/krita-preview/Base.lproj/PreviewViewController.xib A +24 -0 krita/integration/krita-preview/Info.plist A +126 -0 krita/integration/krita-preview/PreviewProvider.swift A +40 -0 krita/integration/krita-preview/PreviewViewController.swift A +24 -0 krita/integration/krita-preview_helper/krita-preview-Info.plist M +5 -1 packaging/macos/osxdeploy.sh https://invent.kde.org/graphics/krita/-/commit/0f307e5d165099e6c2f67c0fbf8cb8ec21f7c1c8