TheNeuralBit commented on issue #23071:
URL: https://github.com/apache/beam/issues/23071#issuecomment-1245971834

   > Just for clarification, I tested the trigger in Dataflow (both Legacy and 
UW) and it works as in Java (as it should).
   
   Do you mean it worked as in Java on Dataflow, even before your change?
   
   > I am not aware how this works in other runners, but I think users would 
expect it to work as in Java and how it's explained in the documentation.
   
   Yes but users sometimes come to rely on buggy behavior :) (obligatory xkcd: 
https://xkcd.com/1172/)
   
   > Do you have any suggestion on how to approach this @TheNeuralBit ? Maybe 
adding notes in the release?
   
   I don't think I have enough context here to advise on a specific action. If 
this really is just affecting the DirectRunner (non-production) I think it 
makes sense to just mention this in the release notes. If there's a possibility 
it will affect production pipelines on Dataflow or other runners we might 
consider a deprecation cycle (add a warning that behavior will change in a 
future release, possibly with a new trigger option that preserves existing 
behavior).
   
   


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