Claire

> why not just resolve mentioned users on-demand as needed instead of automatically once the toot is discovered? This would require deep changes to how the data is processed, stored,...

Note that rate-limiting incoming activities would not have helped much for this issue, which is your server being tricked into fetching a lot of remote accounts. Those are all outgoing...

> even after adding a domain block for `activitypub-troll.cf`, it did not go through and retroactively delete all the garbage Domain suspension does not remove account records, to not clear...

Oh, this is an interestingly annoying issue. Listing strikes is purposefully under “Moderation → Accounts” for moderators, and the appeal is purposefully in “Account → Account settings” for users… under...

The notification thing may be the post that notified you getting deleted in the meantime. But for that to happen with your own posts it's not something I can explain...

This does sound like replication lag too. I'm not sure what Mastodon can do to better handle this.

> I get the impression that 404 cases can be reduced, if the inReply message is sent with a small (2s) delay. But not 100% sure. This would be very...

> My inReply message does not arrive in the notifications of the original sender. In these cases the recipient is NOT explicitly mentioned in the message, bc it is listed...

Duplicate of #19620 I think (feel free to reopen if you disagree). I maintain my position that posting a link does not have the same implications as posting hashtags and...

It looks good overall, although a bit large, and I'm not sure about the padding/spacing around the “host”/“provider” part. It would also be good to double-check for consistency with the...