That’s a dishonest question, take any code base >10000 slices, it will not work with aot ootb.
Read the docs of what’s missing, if you are honestly interested in what’s missing.
https://learn.microsoft.com/en-us/dotnet/core/deploying/nati...
Reflection, is one thing. Of course some runtime stuff are missing, but the problem is that no one is using source generators before trying out aot, so as soon you try aot you just meet a wall of compilation errors. Most people just want to be able parse a json file without jumping through hoops. Bad DX