dstandish opened a new pull request #15125:
URL: https://github.com/apache/airflow/pull/15125


   This decorator lets us implement latest only behavior without adding an 
extraneous task.
   
   You can make any operator a latest only operator by applying this decorator 
to `execute`.
   
   I thought for a minute about pulling the `is_latest_execution` logic out 
into a function shared by both latest only decorator
   and latest only operator, but the logic is just a few lines so I decided it 
wasn't worth the added obfuscation and object proliferation.
   
   Please let me know what you think.


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