Breaking Change
The following deprecated functions, constants, and classes have been removed as part of Airflow 3.0:
airflow.executors.executor_loader.UNPICKLEABLE_EXECUTORS
: No direct replacement; this constant is no longer needed.airflow.utils.dag_cycle_tester.test_cycle
function: Useairflow.utils.dag_cycle_tester.check_cycle
instead.airflow.utils.file.TemporaryDirectory
function: Usetempfile.TemporaryDirectory
instead.airflow.utils.file.mkdirs
function: Usepathlib.Path.mkdir
instead.airflow.utils.state.SHUTDOWN
state: No action needed; this state is no longer used.airflow.utils.state.terminating_states
constant: No action needed; this constant is no longer used.