Favourite: I like minimalistic design. Least favourite: I'm used to opening new threads in social media websites in new tabs, but by default coracle open them in modals. And some of the posts link previews don't work.
Discussion
Link previews are a little flaky for a variety of reasons (hobby-level infrastructure). Interesting point about opening stuff in a new tab, I assume via Cmd+click? I hate when apps break that, I'll look into using a real link that can still handle that.