josh-fell commented on issue #23942:
URL: https://github.com/apache/airflow/issues/23942#issuecomment-1154369458

   A [similar issue was raised](https://github.com/apache/airflow/issues/24338) 
when upstream tasks are skipped. The point of "the downstream should not run if 
any of its depended upstream XCom values fail to resolve" (in [this 
comment](https://github.com/apache/airflow/pull/24401#issuecomment-1153215501)) 
was brought up again. 
   
   @uranusjr curious for your take on this issue generally.
   
   I feel that, as this issue is written, the consensus is that a downstream 
TaskFlow task should not execute if a dependent, upstream `XCom` cannot be 
found.


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