We've just released a new update that improves compatibility with recent Mac OS versions. A big thanks to our testers!
I look forward to being able to confirm that this helps. And appreciate the heads-up here.
And this is for main, correct?
Double Free ... happening quite a lot, particularly (perhaps exclusively) on the monomer puzzles. (1361 thread in feedback here->)
This update is more stable than previous. If you can figure out the "double free" problem that would be stellar!