UPDATE 10:53pm PT Image generation and other background processes have returned to normal operations. Users who are still seeing generic thumbnails for recently published vizzes can trigger an update by viewing the viz.
UPDATE 5:05pm PT The system is continuing to catch-up on queued background tasks such as thumbnail generation.
We will provide updates as appropriate.
UPDATE 1:45pm PT Tableau engineers have deployed a solution to accelerate the generation of thumbnails and other background processes. We expect thumbnail generation to return to normal operations by late afternoon / early evening PST.
Next update 5:00pm PT
UPDATE 12:05pm PT Our engineers are continuing to investigate this issue. No update at this time.
Next Update 2pm PT
We are experiencing a delay in the generation of workbook thumbnails following the major upgrade of Public on Wednesday evening (PST). Users may see a generic icon in place of a thumbnail for newly uploaded workbooks in their profile and activity feed. Our engineers are investigating the issue. We will keep updating this page with the latest status.
Next update 12:00pm PT