Version 12.0.1 - 29.07.2026r Czkawka GTK Deprecation Notice Version 12.0 is the last released version of Czkawka GTK. No new binaries will be provided from this point on. All users are encouraged to migrate to Krokiet, the new Slint-based GUI frontend. Core

• Fixed an issue where console windows appeared on Windows when running FFmpeg internally - #1989
• Added BuildRuntimeInfo, a new module that detects compile-time features (HEIF, LibRAW, AVIF) and the runtime availability of FFmpeg and FFprobe at startup - #1989 Krokiet
• Added a new "About / Diagnostics" panel to inspect build/runtime features and verify whether specific image files are recognized correctly - #1989
• Fixed the sort popup not displaying its background - #2011
• Fixed text overflowing in popups for some languages - #2011
• Fixed the Video Optimizer optimize confirmation popup content being cropped - #2011
• Added translations for settings dropdown options - #2011
• Pinned Slint to version 1.17.0 to avoid a Wayland bug introduced in 1.17.1 that prevented the window size from being restored correctly on startup - #2011 Cedinia
• Fixed an incorrect progress bar status - #1989
• Fixed automatic language detection on first launch - #1989
• Migrated all raw and unsafe JNI usage (file picker, notifications, Android path setup) to the new jni-high crate - #2011 Virustotal
• https://www.virustotal.com/gui/file/402fbf30ff5b8b675305e31b0da49c7e2a424f12fa20b9cb3cfe0c3a67f494c5
• https://www.virustotal.com/gui/file/433b96ceb2a9c58882342ac866ff9edaa928d11d031dfe41dfdeada5552f8ca1
• https://www.virustotal.com/gui/file/084fa6f9d97574704a5104d207b8805e510f3f1c9907e7828607e7fce6a67abf
• https://www.virustotal.com/gui/file/13f68c9b29b7667caf913c1223dbcdb58e9e51b8a050e00ed1f1fd31508d17b5
• https://www.virustotal.com/gui/file/464820ff4dac21dd490e36bb1a6a7ee9e0a55a62ea02c543cacf49b06f89de24
• https://www.virustotal.com/gui/file/ffc0ad76909dfb6806ee78acfea3615b5828baf2d648fac2a7265fd196bbca86
• https://www.virustotal.com/gui/file/9f1a8e51b4d0825c57379fb2d0e13f153e7c559aeb1e4e7c129ffe6b24e3aa15 Legend:
• If you are a beginner or don't know which version to use, start with one of these depending on your OS (if they don’t work, try different builds):
  • Windows – windows_krokiet_on_windows_skia_opengl.exe, windows_krokiet_on_linux.exe, windows_czkawka_gui_gtk_412.zip
  • Mac – mac_krokiet_skia_vulkan_x86_64, mac_krokiet_skia_vulkan_arm64, mac_czkawka_gui_x86_64, mac_czkawka_gui_arm64
  • Linux – linux_krokiet_x86_64, linux_krokiet_all_backends, linux_czkawka_gui_x86_64
• krokiet – primary graphical version of the application, fully supported and actively developed, includes new features and ongoing improvements
• gtk_gui – legacy GTK-based graphical version
• cedinia - new android app
• cli – command-line version of the app
• arm, x86_64 – CPU architecture. Most Windows/Linux uses x86_64, while on Mac the arm version is becoming the most common choice.
• heif, raw, avif – additional features that require extra libraries installed on the OS
• skia_opengl, skia_vulkan, femtovg_wgpu, all_backends – alternative Krokiet backends, use different, when you have problem with current
• deps - scripts that you can run, to install required/optional apps/libraries You can read more about 12.0.0 version on Medium:
• English article – https://medium.com/@qarmin/krokiet-czkawka-12-0-6fa09c43c3b9
• Polish article – https://medium.com/@qarmin/krokiet-czkawka-12-0-c5dad2116793