luc-pimentel commented on issue #76170:
URL: https://github.com/apache/airflow/issues/76170#issuecomment-6559226188

   > 4\. [@luc-pimentel](https://github.com/luc-pimentel) thanks for the clear 
write-up and the root-cause pointer. I have a fix ready that matches the 
behaviour you proposed. If you agree, I'll open the PR right away.
   >     With the fix, `clean >> Label("rows") >> load` and `clean << 
Label("rows") << load` give the same dependencies as the unlabelled edge and as 
`set_downstream(..., Label(...))`. Labels on a whole TaskGroup (the 
[#17469](https://github.com/apache/airflow/issues/17469) case) behave as before.
   
   Yes, go ahead. That is the behaviour the report asks for, but whether it is 
the intended one is the maintainers' call, and an open PR is the quickest way 
to get that answer in my opinion.
   
   The existing `test_task_group_edge_modifier_chain` only covers a label 
pointing at a whole group, so a test for a labelled edge from a task inside a 
group is worth adding.


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