Any and all feedback is welcome. Just open an issue, even if it's only to ask a question.
I also idle in kotlin's Slack group under the username danneu.
While I use kog in some small projects, much of kog isn't field-tested beyond kog's test suite. There's a lot of low-hanging fruit, and I generally discover issues and flesh out functionality on a just-in-time, as-needed basis.
I'm always open to reimplementation ideas as well if an existing abstraction is not flexible enough.
All of this also applies to kog's supporting (extracted) libraries: