We're experiencing a high traffic delay in our builder.  The current catch up time is 2 hours.  (if you just clicked submit, it will take about 2 hours for your build to be produced in the App Builds page).

***Update***

3:51PM PDT / 6:51 PM EST - we are still experiencing high traffic delays

8:36 PM PDT / 11:36 PM EST - there has been another spike in traffic and we expect the delays to continue through out the evening.  It's likely that we will catch up through the evening and be back to normal build times by morning.