Plugin is broken if mixing in Observable

1. 
   

   Thank you for reporting this bug. We will make it our priority to review this report.

   
   


2. 
   
   
   

   
   

   
   

   Plugin is broken if mixing in Observable

   
   

   
   

   Plugin is broken if mixing in Observable

   
   
   
   

   
   

   Listeners not triggered.
   

   http://ift.tt/11SNGXp

   
   

   Fine in 4.x, 5.0.1.

   
   

   
   

   
   

   
   

   
   

   
   
   
   

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Plugin is broken if mixing in Observable