It doesnt work for me as well, I tried re-loading an old save it I got hit with a:
While running game code:
File "renpy/common/00action_file.rpy", line 479, in __call__
Exception: Couldn't find a place to stop rolling back. Perhaps the script changed in an incompatible way?
File "renpy/rollback.py", line 826, in load_failed
Exception: Couldn't find a place to stop rolling back. Perhaps the script changed in an incompatible way?