Is there any computer setup that is beefy enough to compile C# scripts instantaneously? So much of my time is wasted waiting for scripts to compile. If they compiled instantly, it would open up a whole new world of possibilities.
Lots of RAM, good quality large capacity SSD and the fastest CPU you can afford will all help. But depending on the size of your project there's going to reach a point when compilation times start to increase no matter how powerful your PC.
something like this would help a bit also https://github.com/baba-s/unity-compile-in-background unity visual scripting slides say that you can keep working on it live (without waiting for compile?), so that sounds cool too.
Things you can do to reduce compile times; https://docs.unity3d.com/Manual/ScriptCompilationAssemblyDefinitionFiles.html
I think Livity is something that would really help in this regard. It sure looks like instant compilation to me.