victorfuzaro commented on issue #21867:
URL: https://github.com/apache/airflow/issues/21867#issuecomment-1094120663

   > Hi,
   > 
   > Up to now I considered TaskGroup mostly as a "visual feature". If we start 
adding add'l "subdag" features to it we are going to gravitate to a "subdag" 
concept, which is about to be dropped.
   > 
   > If I had a need to have a more complex logic in a group of tasks then I 
would use approach of DAGs triggering other DAGs via TriggerDagRunOperator.
   > 
   > Regards.
   
   I completely understand your opinion, but at the same time I still think 
that this feature would be very useful. In my case I would need this feature in 
a lot of pipelines so without it I'll need to create a lot of dags just for 
triggering them (of course I can group some of them but would still require 
some "dag trigger" dags). I know that it is kind of a very specific use 
case/situation but definitely I'm not alone with this problem. 


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