Devices offline, no fix in sight. Smartthings has acknowledged the bug

[JDRoberts]

Strangely, there seem to have been two different waves of problems with a similar symptoms.

One started about three weeks ago, and that includes the problems reported in this thread.

The other had a very specific start date of April 20 and immediately broke DTH’s.

The more recent one is definitely associated with refresh () and is being discussed in the developer section of the forum in the following thread:

Recent Platform Update Broke Parse Method Response/Result (April 2017)

Update: After a lot more testing, the initial issue I explained below always existed, but manually applying the response command to each item in the list didn’t always work either so I think there’s a larger issue with the way the parse result is being handled. The one thing I do know is that if you use sendHubCommand and sendEvent instead of returning items from the parse method, everything will work the way it’s supposed to… A few days ago most of my devices started reporting that they were offline and I tracked the problem down to SmartThings ignoring the events being returned from the WakeUpNotification event handler. I ended up changing all of my device handlers to use sendEvent instead of using createEvent and that solved the problem, but it didn’t explain why it was only effecti…

Your investigations indicated there may be an overlapping cause, it’s just the timing is so strange.