When you're setting expectations about a project, it's never a bad idea to listen to the creators themselves.
https://ziglang.org/download/0.17.0/release-notes.html
> Zig has known bugs, miscompilations, and regressions.
> Even with Zig 0.17.x, working on a non-trivial project using Zig may require participating in the development process.
> When Zig reaches 1.0.0, Tier 1 support will gain a bug policy as an additional requirement.