*Technically* you are allowed to run your own PDS (data server) on bluesky, but in addition to the site silently unexisting* your posts if you make any interesting code changes, when *bluesky* changes the PDS code on github they expect your server (which they expect to be running their exact docker scripts, which include an auto update feature) to pick up that change more or less immediately or the app and bsky.app website may stop working with cryptic errors

* Like a shadowban but more shadowy