The most recent version 4.6.6 has a very interesting commit (d821685) "Fix bugs and improve performance", that contain the following changes https://github.com/colinhacks/zod/commit/d821685ea6732436fcd...
I didn't study what packages/mini/meta.test.mjs is doing in particular but it's not looking great
Not looking great is an understatement. You should raise more alarms at github. And people should try to reach the maintainers.
[dead]
This might be a hint: