I’m not a Connect dev and the app is not open source yet, so I can’t quantitatively give you an answer. As a user, it’s been working fine for me on all feeds.
I recommend posting something in the Connect for Lemmy community. If a feature is broken, the dev probably wants to hear about it.
It doesn’t really filters post for me. I tried with “Threads” and “Reddit” and they kept showing up.
On what feed(s) does it have effect?
I’m not a Connect dev and the app is not open source yet, so I can’t quantitatively give you an answer. As a user, it’s been working fine for me on all feeds.
I recommend posting something in the Connect for Lemmy community. If a feature is broken, the dev probably wants to hear about it.