System Information
Operating system: Linux-5.4.0-45-generic-x86_64-with-debian-bullseye-sid 64 Bits Kubuntu Focal Fossa 20.04
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 440.100
Blender Version
Broken: version: 2.91.0 Alpha, branch: master, commit date: 2020-09-08 18:55, hash: rB25380802d702
Worked: I am sure this worked when I built Blender on Friday.
Short description of error
Convert Mesh to Curve immediately crashes Blender.
Exact steps for others to reproduce the error
Create a wire mesh, then press F3 and type "convert" - choose "Convert Mesh to Curve"
Blender crashes!
I'm happy to provide more information on request.