SUMMARY STEPS TO REPRODUCE 1. Open an art or create any paint layer art work 2. Add a filter mask - choose level 3. Add a transparency mask from the selection 4. Select this three layer together and click Copy Merged in the menu 5. Go to another opened artwork file and paste 6. Krita closed immediately without any warning nor crash signal. But after a while, a window will come out from the macOS system said the app is quit unexpectedly and offer options to Reopen. OBSERVED RESULT Krita is closed. System said the app is closed unexpectedly. EXPECTED RESULT Merged artwork is pasted on another artwork file SOFTWARE/OS VERSIONS Krita version: 5.2.3 (git 68d178c) macOS: 14.6 Sonoma M1 Max 64GB ADDITIONAL INFORMATION
*** This bug has been marked as a duplicate of bug 490636 ***