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
Balazs Varga committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/9f980e021ff1a7613003e5c93ec49a37c5ca3420 tdf#170027 - sd fix crash when undoing shape drag with Alt pressed It will be available in 26.8.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
Balazs Varga committed a patch related to this issue. It has been pushed to "libreoffice-26-2": https://git.libreoffice.org/core/commit/863334b176cb4e9b2aefa7f0569bc50d390a9937 tdf#170027 - sd fix crash when undoing shape drag with Alt pressed It will be available in 26.2.0.2. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
Balazs Varga committed a patch related to this issue. It has been pushed to "libreoffice-25-8": https://git.libreoffice.org/core/commit/0dc03683f9536123327963c170203addb8408930 tdf#170027 - sd fix crash when undoing shape drag with Alt pressed It will be available in 25.8.5. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
Verified in custom build: Version: 26.8.0.0.alpha0+ (X86_64) Build ID: c0b14ab9aa4d713a6b718ef07b9e0379b88e97d3 CPU threads: 24; OS: Windows 10 X86_64 (build 19045); UI render: Skia/Raster; VCL: win Locale: hu-HU (hu_HU); UI: en-US Calc: threaded There is no crash anymore. But also the Alt+drop on the other shape feature, described in the second half of the original comment, is now gone too (seen with the above example file attachment 204695 [details] ).
Balazs Varga committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/b10b28b6575b387ea4a7a0b91283690610158a2a Related tdf#170027 - Crash when undoing shape drag with Alt pressed It will be available in 26.8.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
Balazs Varga committed a patch related to this issue. It has been pushed to "libreoffice-25-8": https://git.libreoffice.org/core/commit/eaaf3693cfb633777e924e2fea4222aa1ac22c8a Related tdf#170027 - Crash when undoing shape drag with Alt pressed It will be available in 25.8.5. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
Balazs Varga committed a patch related to this issue. It has been pushed to "libreoffice-26-2": https://git.libreoffice.org/core/commit/b452b76c112d8c39ef83ea0087298113c3f98358 Related tdf#170027 - Crash when undoing shape drag with Alt pressed It will be available in 26.2.1. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.