There were some throttling changes a few months ago, for example you can only schedule 4 schedules in one instance of an app now. Could any of that be affecting it?
As has been previously discussed, we have been focussing on the stability and reliability of the SmartThings platform recently. The ability for developers to create their own solutions by authoring SmartApps and Device Handlers is also of utmost importance to us. Since all SmartApps and Device Handlers are currently executed in the SmartThings cloud*, we must ensure that no one SmartApp or Device Handler can negatively impact the overall security or health of the SmartThings platform. It is our priority to provide the most stable platform at any time, while also providing an open platform for community development.
*See the FAQ at the end of this post for information about any impacts to locally executing SmartApps or Device Handlers in hub v2.
SmartApp Execution
SmartApps are typically…