How much time do you have?
P-code debugging with fully rewindable edit and continue.
A one-true-way event model that was derided at the time but was really just years ahead of its time.
Minimal runtime downloads to install apps locally, which also produced tiny, performant executables.
The sweet, sweet With keyword. I know, I know. But I don’t care. Just be more aware of your namespaces.
Also (and I still don’t understand why we can’t have this in VS Code when VS had this in 1998) object combos at the top of the code file for class and method (admittedly VS proper still has this I’m just grumpy at the regression)