On July 11th, 2016, we'll be upgrading FogBugz On Demand to version 8.16.113. We will upgrade accounts gradually from 0800 ET to 1700 ET. We do not expect any downtime during this window.
Also, we will be upgrading the main fbhosted schema from 10pm to 11pm EDT on Monday. There may be up to 15 minutes of downtime during that window.