Resolved
The issue has been resolved by the Slack team. Note that this will not retroactively fix messages already sent by the app.
Monitoring
We are actively monitoring the Slack team's timeline for a fix.
Identified
The Slack engineering team has confirmed an ongoing issue with the platform with others reporting similar regressions. We will continue to monitor their timeline.
Investigating
The issue is affecting a limited number of workspaces. The cause is still unknown. We've reached out to the Slack team to check for regressions.
Investigating
Messages sent by the Tightknit bot are not using the branded community information for the username or icon.