[fxtentacle]

"Being able to fix a bug without resetting memory state is a huge ergonomic advantage in game development"

Visual Studio works with UE and calls that "Edit and Continue" and it works in C++, too.

[sha90]

Yes, but it has many known limitations and isn't nearly as reliable as a runtime that has a full GC and virtualization optionality, which you really need in order to fully track what state can be evicted and what needs to stay.