Built-in vector ops, ImGui, and WebAssembly target? This reads like it was designed by someone who actually ships games.

You forgot you include in your list

> Dynamic code loading

can it reload code at runtime? can i change the definition of a function or class while the program is running?

No. It is a fairly static language, with whole program compilation and optimization. The dynamic loading the parent refers to is like a new VM instance, very different from class/function (re)loading.