See also: nostr:naddr1qqyxzepcx3jnxc3nqyghwumn8ghj7enfv96x5ctx9e3k7mgzyqalp33lewf5vdq847t6te0wvnags0gs0mu72kz8938tn24wlfze6qcyqqq823ckhuthw
So apparently X only allows edits to the text of root posts, not replies, not media, not private posts.
And it only allows edits for one hour after the post is sent, and only up to 5 edits total.
https://help.x.com/en/using-x/edit-tweet
I think X must have zero users now because they insist in not implementing full-blown unrestricted capabilities for such a crucial unnegotiable feature.
Discussion
It'd be pretty awesome to see some decoupling of drafts & edits. I forgot they were similar. Ubiquitous drafts would be slick and actually useful.