Created attachment 204695 [details] Example file from Impress 1. Open attached file 2. Click on the red shape long until the cursor shape changes 3. Press Alt and move the cursor a bit 4. Release the mouse - nothing visible happened 5. Undo -> Crash Normally, when the above process is applied to two shapes, there is no crash: 1. Open attached file 2. Click on the red shape long until the cursor shape changes 3. Press Alt and move the cursor above the heart shape 4. Release the mouse. -> The red shape replaces the heart shape. 5. Undo -> The editing is reverted normally without crash Version: 26.8.0.0.alpha0+ (X86_64) Build ID: 680(Build:0) CPU threads: 24; OS: Windows 10 X86_64 (build 19045); UI render: Skia/Raster; VCL: win Locale: en-US (hu_HU); UI: en-US Calc: threaded Seems to have started sometime in 4.2 - in 4.1, Long click on the shape + Alt was invalid operation.
not repro Version: 25.8.3.2 (X86_64) Build ID: 8ca8d55c161d602844f5428fa4b58097424e324e CPU threads: 2; OS: Linux 6.16; UI render: default; VCL: kf5 (cairo+wayland) Locale: ja-JP (ja_JP.UTF-8); UI: en-US Calc: threaded repro Version: 25.8.3.2 (X86_64) Build ID: 8ca8d55c161d602844f5428fa4b58097424e324e CPU threads: 8; OS: Windows 11 X86_64 (build 26100); UI render: Skia/Raster; VCL: win Locale: ja-JP (ja_JP); UI: en-US Calc: threaded and in 2025-12-16 Version: 26.8.0.0.alpha0+ (X86_64) Build ID: 680(Build:0) CPU threads: 8; OS: Windows 11 X86_64 (build 26100); UI render: Skia/Vulkan; VCL: win Locale: ja-JP (ja_JP); UI: ja-JP Calc: threaded and in bibisect-win32-4.3(oldest) Version: 4.2.0.0.alpha1+ Build ID: fc8f44e82de4ebdd50ac5fbb9207cd1a59a927e3 windows only notbibisectable
Created attachment 204751 [details] Backtrace