You’re right, I hadn’t noticed that.
Looks like the F-droid version is way behind, because you can see on their GitLab page that the project is still maintained. It’d be best to get the app directly through GitLab I suppose, or add an F-droid repo that has a more up-to-date version.
Ugh, you’re right! I didn’t realize. I’m going to give SpamBlocker a try instead. I just downloaded and flipped through the options and it looks better than “Yet Another Call Blocker” anyway.