Use github issues https://github.com/skyrod-vactai/kcats/issues if that's easiest.
Recommended: Instead of opening a github issue, create a fork and add a TODO subheading to the Issues heading in the respective .org file. You can edit org files right on github, in your own fork.
- For bugs add issues here under Issues heading in production.org
- For documentation problems add issues here under Issues heading in book-of-kcats.org
Then submit it as a pull request.
To see the status, check your PR. It will have more commits by the developers added to it.
Please do report design improvements you'd like to see - for example, inconsistencies in how words expect stack arguments to be, ways to make the standard library easier to work with, etc.