Enrico Gregorio

I wanted to report the issue, but I saw this earlier report. A publicly available PDF that shows the problem is at https://texdoc.org/serve/nicematrix/0 Maybe you can test the fix also with this one.

Misplaced braces

Command created with \newverbcommand fails if used in math mode

I had the same problem on macOS 10.5, so I didn't install 1.5.1 on the other machines. The downloaded app seems not to crash any longer.

iterationCount and Ctrl-U

Tested with TeX Live 2018/pretest, it seems to work.

Sorry for the anonymous, I forgot to log in.

It is a fact that \'i is valid for producing “i with acute” (and the same for grave and dieresis) since the release of LaTeX2e. It's easy to check. Since the translation to \'\i is known to create problems with Biber, it should be changed or, at least, made changeable in preferences.