This turned out to be a bug in Iconic and Emby is innocent of all wrongdoing. Thanks for identifying it and it's now been squashed for the release version. tldr; is that there was a condition where the rules results for an Item could persist indefinitely without ever being re-analyzed. That was bad.   The longer version is that I recently added a rules results caching mechanism so that the rules could be checked for an Item just once at the start of the Item image generating proce