Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce RTX 3090/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 462.31
Broken: version: 2.93.0, branch: master, commit date: 2021-06-02 11:21, hash: rB84da05a8b806
Short description of error
My files from 2.92 with Geometry Nodes doesn't open in 2.93 and 3.0 or open with messed up results (mostly due to Join Geometry not getting recognized) or they crash on render.
Exact steps for others to reproduce the error
Try to open the file in 2.93. It doesnt open.