Resolved 1:44 PM UTC: The Tableau Public team has identified the issue. A solution to mitigate the degradation and restore functionality to the Tableau Public environment has been implemented. At this time, this issue is being considered resolved.
Tableau Public is currently in a degraded state. During this time, users may experience longer than normal load times. The Tableau Public engineering team has been notified and is actively engaged in determining the root cause of the issue and working towards implementing a solution.
Next update 13:45 UTC.