I don’t know if I’m in the right place or if it’s useful,
I wrote a reader for blend files and am seeing errors.
- The boolean type is defined in the TLEN table to 0.
- And some files written with blender 2.4.0 crash version 2.9.0 when opening the file.
I found in the tested 2.4 files that two blocks share the same old pointer address. These are the REND and GLOB blocks.
There are several files crashing blender 2.9 in https://download.blender.org/demo/test/, for example: