STEPS TO REPRODUCE 1. Just draw and use Ctrl+Z to work 2. At some point it stops working Zooming, moving a layer and Pop-up Palette 3. To make everything work again, use Ctrl + Z about 4-5 times EXPECTED RESULT You can use Ctrl + Z as much as you want and there are no problems SOFTWARE/OS VERSIONS Version: 5.1.0-prealpha (git f665ca6) Installation type: installer / portable package Languages: ru_RU, ru, en_US, en Hidpi: true Qt Version (compiled): 5.12.12 Version (loaded): 5.12.12 OS Information Build ABI: x86_64-little_endian-llp64 Build CPU: x86_64 CPU: x86_64 Kernel Type: winnt Kernel Version: 10.0.19043 Pretty Productname: Windows 10 (10.0) Product Type: windows Product Version: 10
*** This bug has been marked as a duplicate of bug 454256 ***