I just received my invite code today and took a quick look around the app. Like Mastodon I do not prefer microblogging platforms. And that's all I know about Bluesky.
A twitter replacement made by one of Twitter's founders that completely missed its shot to be relevant by not releasing during the early chaos of the muskrat's rein. And then when they finally did release, it was iPhone only, so everyone shrugged and ignored it.