I’m using unity development on my Mac, and there are times when it doesn’t report errors, such as some dictionaries where the key isn’t found and the value oult of the range of the list. My computer is macOS, using the M2 chip, and the version of unity is 2021.3.33f1.
Did you save your code when the errors aren't reported?
– MidnightAmethystHi, If you think this is a bug you can report it in the editor according to this guide: https://unity.com/releases/editor/qa/bug-reporting
– alexsmith123