Update - The engineering team have identified the issue, but it's affecting more areas of the application. They are working hard to resolve the issue, apologies for any inconvenience caused at this time.
Oct 16, 02:33 PDT

Update - We are continuing to work on a fix for this issue.
Oct 16, 02:21 PDT

Update - We are continuing to work on a fix for this issue.
Oct 16, 02:19 PDT

Update - We're making good progress on backfilling missing event data. Reporting between 12:26 PDT and 15:09 PDT on 04 Oct 2018 has been affected.

Opens and clicks for emails sent during this window may be missing location data, duplicated, and times may be up to 12 hours later than the event took place.
Oct 4, 23:49 PDT

Update - While some historical tracking data is still being backfilled, live tracking data is being processed, so more recent sends should see no reporting delays.
Oct 4, 18:33 PDT

Update - Update: Some customers may be experiencing a delay in the processing of any A/B tests that are currently running. This is related to the current tracking issues. The A/B tests will resume once the tracking delays are completely caught up.
Oct 4, 15:37 PDT