Airflow Human-in-the-Loop Operators Pause a DAG until a human responds via the Airflow UI or REST API. HITL operators are deferrable — they release their worker slot while waiting. Requires Airflow 3.1+ ( ). UI location : Browse → Required Actions. Respond from the task instance page's Required Actions tab. Cross-references : for AI/LLM task decorators; for registry and API discovery commands used below. --- Step 1 — Pick the capability you need | Capability | Class (verify in Step 2) | |---|---| | Approve or reject; downstream skips on reject | | | Present N options and return which were cho…