The web site has a list of differences between Lemmy and PieFed:
- Comments with -10 score are collapsed by default.
- Communities are organized into topics. See https://piefed.social/topics.
- Image-heavy communities can have a tiled/masonry view, like https://piefed.social/c/pics@lemmy.world
- People who get downvoted a lot end up with a ‘low reputation’ indicator next to their name. You’ll know it when you see it.
- Hide all posts based on keyword filters.
- Keyboard shortcuts.
- Upvotes in meme communities do not add to reputation.
- Better UI design (somewhat subjective!)
- Improved hotness ranking algorithm (subjective)
- Voting is private.
- See also features for healthy communities.
- Each community has it’s own wiki. Demo
This list isn't exhaustive; one major feature that's not listed there is de-duplication, where reposts all get combined into a single post with a split comment section (one for each individual post).
I'd be up for this. !theorville@lemmy.world is doing a similar thing currently. The Orville rewatch has been pretty low-activity as well, generally receiving 1-4 comments each, but I've enjoyed having an excuse to rewatch something at a slower pace than usual. I suspect that might be true even for people who don't comment, where just having a weekly episode schedule is nice regardless of whether people have anything to say about it.