Acrobat Reader 2023.001.20177 on MacOS Ventura 13.4.1 running on 2022 MBP (M1 Pro CPU) crashes systematically when inputing the second entry of certain unicode characters in PDF comments.
This seems to affect at least the mathematical fraktur characters such as U+1D52A. Entering character once is OK, but immediately upon entering the same character the second time in the same comment Acrobat Reader exits without any error code or other debugging information. It does not matter if the character is entered via Edit->Emoji&Symbols menu or by copy-paste. This occurs reliably with many different PDF documents.