This issue is resolved. Between 16:55 and 20:30 UTC, some Pinterest video pins took longer to process and could fail to publish. We have rolled out an improvement to how Pinterest video processing is handled. If a video pin still does not publish, please contact support.

Update: Pinterest video pins are still timing out while Pinterest processes the video. A change that reports Pinterest's processing result and stops retrying videos Pinterest has already rejected is in review. Image pins are not affected.

Since 16:55 UTC, video pins sent to Pinterest may fail to publish after several attempts. Image pins are publishing normally. We have found that video processing is not completing in time and are working on a fix. Next update within 60 minutes.