Change Details

**System Information** Operating system: Linux-5.4.0-58-generic-x86_64-with-debian-bullseye-sid 64 Bits Graphics card: GeForce GTX 1650/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 450.80.02 **Blender Version** Broken: version: 2.91.0, branch: master, commit date: 2020-11-25 08:34, hash: `rB0f45cab862b8` Worked: (newest version of Blender that worked as expected) **Short description of error** VSE seems to delete blend files after opening and sometimes after saving. **Exact steps for others to reproduce the error** After opening a VSE .blend file containing large (4 hr) video files the .blend file is removed from the working directory. Sometimes these .blend files are also deleted sometime after saving On save and exit from Blender via the File --> Exit the .blend file is missing and must be recovered on the next session start Errors reported: On save: Unable to make version backup Version backup failed (file saved with @)

**System Information** Operating system: Linux-5.4.0-58-generic-x86_64-with-debian-bullseye-sid 64 Bits Graphics card: GeForce GTX 1650/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 450.80.02 **Blender Version** Broken: version: 2.91.0, branch: master, commit date: 2020-11-25 08:34, hash: `rB0f45cab862b8` Worked: (newest version of Blender that worked as expected) **Short description of error** VSE seems to delete blend files after opening and sometimes after saving. **Exact steps for others to reproduce the error** After opening a VSE .blend file containing large (4 hr) video files the .blend file is removed from the working directory. Sometimes these .blend files are also deleted sometime after saving On save and exit from Blender via the File --> Exit the .blend file is missing and must be recovered on the next session start All files are in the same directory Blender should have adequate permissions. Errors reported: On save: Unable to make version backup Version backup failed (file saved with @)

**System Information** Operating system: Linux-5.4.0-58-generic-x86_64-with-debian-bullseye-sid 64 Bits Graphics card: GeForce GTX 1650/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 450.80.02 **Blender Version** Broken: version: 2.91.0, branch: master, commit date: 2020-11-25 08:34, hash: `rB0f45cab862b8` Worked: (newest version of Blender that worked as expected) **Short description of error** VSE seems to delete blend files after opening and sometimes after saving. **Exact steps for others to reproduce the error** After opening a VSE .blend file containing large (4 hr) video files the .blend file is removed from the working directory. Sometimes these .blend files are also deleted sometime after saving On save and exit from Blender via the File --> Exit the .blend file is missing and must be recovered on the next session start All files are in the same directory Blender should have adequate permissions. Errors reported: On save: Unable to make version backup Version backup failed (file saved with @)