System Information
Operating system: Windows-10-10.0.17763 64 Bits
Graphics card: GeForce GTX 970/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 419.35
Blender Version
Broken: version: 2.80 (sub 60), branch: master, commit date: 2019-05-06 11:40, hash: rB0f3f78e2b9a6
Worked: (optional)
Short description of error
Crash when using Live Unwrap
Exact steps for others to reproduce the error