Can you share the link? I wonder also whether it uses comptine features.

It is not yet ready but the master branch has an initial draft.

https://github.com/kaitai-io/kaitai_struct_compiler/commits/...

It would be premature to review now because there are some missing features and stuff that has to be cleaned up.

But I am interested in finding someone experienced in Zig to help the maintainer with a sanity check to make best practices are being followed. (Would be willing to pay for their time.)

If comptime is used, it would be minimal. This is because code-generation is being done anyway so that can be an explicit alternative to comptime. But we have considered using it in a few places to simplify the code-generation.