Interestingly there is some discussion for Mastodon with people asking the limit to be smaller, which raises the question as to the purpose of alt text, and how

Interestingly there is some discussion for Mastodon with people asking the limit to be smaller, which raises the question as to the purpose of alt text, and how to properly handle larger text lengths in screen reader programs. https://github.com/mastodon/mastodon/issues/12268 https://github.com/mastodon/mastodon/issues/12268