> 11. The debugger can modify a function while the program is running (any new calls are done to that function).
Another words: hot code reloading / swapping [1].
And I would add:
> You record a failure once, then debug the recording, deterministically, as many times as you want. The same execution is replayed every time. [2]
[1] e.g. https://github.com/ddovod/jet-live, https://github.com/crosire/blink, https://github.com/ziglang/zig/issues/68