I have also joined sheezy and begun posting there, and have been enjoying it thus far. I apologize for dropping out of the habit here. x'D I've just found it difficult to find some aspects of art community here that I tend to really value. but I do appreciate side7 for its dedication to being a good space for artists.
I tried artfol as well but the UI wasn't for me either. I've unfortunately found it completely impossible to use inkblot; no matter what I did or what solutions I tried, the site slowed down my computer too much to spend more than 20 minutes there, and I ended up closing my account. I tried pillowfort, but encountered a bit of a personal incident that discouraged me from sticking around. I tried cohost, but felt the complete inability to see post metrics on an otherwise blog-based site to be a little jarring. I was in the ArtSpacious development discord server for a while, but the last update they gave was that their main programmer has not been able to be reached for around 1 year now (after giving some personal updates about his day job taking up more of his time), and the rest of the team expressed their regrets and said that ArtSpacious would now be on indefinite hiatus and possibly shelved forever. I tried BlueSky, but there are virtually no non-professional artists there with any kind of community. I respect and admire many artists I ran into there, but the platform highly prioritizes the most-followed, most-liked accounts at the cost of anyone "smaller" trying to band together and - it's basically exactly a twitter clone as I'm sure many people were more wise to than I was.
I closed my instagram account today upon learning that in the wake of EU laws being passed, the platform is now required to provide an opt-out for users who do not wish to have their data & art scraped for Meta's AI engine - but this opt-out is being provided only to UK residents (and is very difficult and convoluted to find, even then.) so, having public proof that Meta is doing that scraping and not providing an opt-out for US residents (because they legally don't have to), I removed my art and will no longer be posting there either.
I even announced on my tumblr account - the only place that I've been reliably posting for the last 5 years - that by the end of 2024, I will likely slow my activity there significantly and post infrequent updates if at all. my reasons for this are maybe silly,, but I more or less feel that I've been ignored there because I don't tend to post much fanart. I had a friend with a very popular blog there who unfortunately also stepped back from social media recently, and as soon as he was no longer regularly reblogging my art, pretty much no one was interacting with it at all. this was extremely demoralizing. xD made me feel like people thought my art was only worth interacting with if someone else showed interest in it first.
other than sheezy, the only art sites I plan to consistently keep up with are toyhouse - which is really a character/OC site, but people can follow you and see character art updates there, and even like/comment on specific pieces if you enable the option - and comicfury - which is of course a webcomic site that I technically havent begun posting on yet as my comic is still in development, but will likely be a place I come to spend more time on as soon as I have the material to begin posting. actually, my main stomping ground has been Chicken Smoothie, which has an oekaki embedded into their forums, and I very consistently get interaction there, more than I ever have seen on any gallery-based sites I've posted to. (I guess I might even consider myself popular there? some of my better pieces receive somewhere between 50-80 likes, and though that's still a small amount compared to "popular" artists on other platforms, when I'm used to receiving 0-5 likes/interactions anywhere else I go, it feels like a big deal. and tbh x'D it boosts my self esteem. maybe I should be ashamed to admit that but it just genuinely means a lot to me to have that.)
I have such platform-migration-exhaustion and there's so many places I find myself just giving up on. I hope that this is just an extremely low point for online artists communities and that maybe we'll have a comeback sometime in the future. but also I'm tired and not staking my expectations on anything in particular.