nathadfield opened a new pull request, #60052:
URL: https://github.com/apache/airflow/pull/60052
## Summary
Closes #60049
`TriggerDagRunOperator` was incorrectly entering `DEFERRED` state even when
`wait_for_completion=False`. This occurred when `deferrable=True` was set
(either explicitly or via the `operators.default_deferrable` config), causing
tasks to get stuck in deferred state when they should complete immediately
after triggering the target DAG.
## Changes
- Modified `TriggerDagRunOperator.__init__` to ensure `deferrable` is only
`True` when both `deferrable=True` AND `wait_for_completion=True`
- Added test cases for both Airflow 2 and Airflow 3 to verify the fix
## Root Cause
When `wait_for_completion=False`, there's no reason to defer since the
operator should just trigger the DAG and return immediately. However, the code
was passing `deferrable=True` through to the execution logic, causing it to
unnecessarily enter deferred state.
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