Are you sure? And I mean, really sure? There's a lot here, and it's easy to miss something. If you are super sure that we haven't covered your question, neither specifically nor in spirit, and you're also sure that your question is important enough to delay our work fixing game bugs and making new game content, send us a note.
Thanks for your interest in braving the betas and providing feedback to us!
We run betas on Steam, Google Play, and iOS App Store. If you are not familiar with how to enroll in betas on these platforms, you can find their official instructions below:
We have placed various "Give Feedback" buttons in our games, which will link you to the Feedbag's game-specific subsections, where you can describe your observations, upload screenshots, check out patch notes, and comment on other players' findings.