0.16 ... maybe in 2050 they will finally release v1.0.
Jokes aside, once Jai comes out, Zig will become obsolete. Odin might hang on, as it is quite a bit smaller and limited language. Rust is being forced into every low level codebase, so that one will stay. C3, well, no one is using that, like Carbon. But Zig... despite running some big projects, it has no future.
> Both of these are based on userspace stack switching, sometimes called “fibers”, “stackful coroutines”, or “green threads”.