We have good news! We've pinned down the cause of these problems and have deployed a fix to get everything back to normal. Thanks so much for your patience.
6:32 AM PDT - Jun 29th・See in your timezone
We're seeing issues with link unfurls, message attachments, threads, and delayed notifications. Our team is investigating. Sorry for the trouble.
6:06 AM PDT - Jun 29th・See in your timezone