For what it's worth, the Mastodon instance I'm on (and several others) bump the 5kchar limit to 65kchar and even 1Mchar. I have legitimately seen 2MChar toots.

For what it's worth, the Mastodon instance I'm on (and several others) bump the 5kchar limit to 65kchar and even 1Mchar. I have legitimately seen 2MChar toots. They were automated, but gigantic Megachar toots.