Hi Scott, I also think this is a serious issue that I wish they would address. It seems like there were timestamps in the notifications themselves when I first started ST spring of 2016. But then they went away in the summer or so.
I really wish they came back or were an option one could include. Frequently enough, my notifications are delayed. Often enough that I no longer trust them being on time. And I REALLY wish the notification itself just said when it was originally output. Otherwise I have to page through all my device event screens to see if it was lagged or not.
This has essentially had me give up on these being timely, or caring. It really devalues SmartThings as a helpful tool for me. If you can’t trust when they originated, you wind up assuming they’re wrong and blowing it off as useful, when you’re busy doing other things.
So I really wish they just said when they originated, in the text of each notification. Or we had an option to include it, if they don’t think everyone wants it.
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Compare my topic Laggy notifications in a rush, hours later?