Airflow 3.4.0

Issues

• Release Management for Java-SDK

  area:java-sdkpriority:low
  apache/airflow#66333 · Filter by author jason810496 opened on May 4, 2026 · Airflow 3.4.0
  1

  

• Cross-SDK DagSerialization compatibility CI for the Go SDK

  area:CIarea:dev-toolsgo-sdkkind:featurekind:taskpriority:low
  apache/airflow#66942 · Filter by author jason810496 opened on May 14, 2026 · Airflow 3.4.0
  

• Improve Task Dependency Representation

  area:java-sdkkind:featurekind:taskon holdpriority:low
  apache/airflow#66331 · Filter by author jason810496 opened on May 4, 2026 · Airflow 3.4.0
  1

  

• Java-based task and dag level callbacks

  area:java-sdkkind:featurepriority:low
  Feature

  apache/airflow#66543 · Filter by author uranusjr opened on May 7, 2026 · Airflow 3.4.0
  1

  

• Java-SDK OpenLineage support (lineage callback from Java task to Python supervisor)

  area:coordinatorarea:corearea:java-sdkkind:featurepriority:low
  apache/airflow#67111 · Filter by author jason810496 opened on May 18, 2026 · Airflow 3.4.0
  1

• Decouple Cadwyn (FastAPI/Starlette) hard dependencies from the Airflow Task SDK installation

  area:coordinatorarea:dependenciesarea:java-sdkkind:featurepriority:low
  apache/airflow#66837 · Filter by author jason810496 opened on May 13, 2026 · Airflow 3.4.0
  1

  

• AIP-108: Re-enable Dag Processor coordinator schema-version pinning

  AIP-85: Dag Importerarea:coordinatorarea:coreon hold
  apache/airflow#66934 · Filter by author jason810496 opened on May 14, 2026 · Airflow 3.4.0
  

• How to avoid dependency conflict between user application Dag and JavaSDK itself

  area:dependenciesarea:java-sdkkind:documentationon holdpriority:low
  apache/airflow#66329 · Filter by author jason810496 opened on May 4, 2026 · Airflow 3.4.0

• Dag and task-level callbacks in the Go SDK

  area:corego-sdkkind:featurepriority:low
  apache/airflow#66944 · Filter by author jason810496 opened on May 14, 2026 · Airflow 3.4.0
  

• Honor [scheduler] create_cron_data_intervals when serializing cron schedules in the Go SDK

  area:corearea:serializationgo-sdkkind:featureon holdpriority:low
  apache/airflow#67938 · Filter by author jason810496 opened on Jun 3, 2026 · Airflow 3.4.0
  

• AIP-104: Task Iteration

  area:task-sdk
  Unread
  apache/airflow#62922·dabla opened Mar 5, 2026 · Updated Oct 14, 2026
  384

  

• Create airflow.core.* module structure for Server-client separation

  area:corearea:task-execution-interface-aip72
  apache/airflow#51554 · Filter by author kaxil opened on Jun 9, 2025 · Airflow 3.4.0
  5

  

• Deprecate Asset.extra and add Asset.event_extra_template

  area:corearea:data-aware-schedulingkind:featurepriority:medium
  apache/airflow#55200 · Filter by author uranusjr opened on Sep 3, 2025 · Airflow 3.4.0
  13

  

• Consider supporting .jinja2 extensions across the project

  area:corekind:feature
  apache/airflow#8603 · Filter by author oripwk opened on Apr 28, 2020 · Airflow 3.4.0
  12

  

• Add a time range selector for the Gantt view

  area:UIgood first issuetype:new-feature
  apache/airflow#63715 · Filter by author atuls4441 opened on Mar 16, 2026 · Airflow 3.4.0
  20

• Metrics Improvement Project

  area:metricskind:feature
  apache/airflow#42881 · Filter by author dannyl1u opened on Oct 10, 2024 · Airflow 3.4.0
  10

• Split testing and example dags in loading

  area:corekind:featurekind:meta
  Task

  apache/airflow#52475 · Filter by author jscheffl opened on Jun 29, 2025 · Airflow 3.4.0
  2

• Automated checks where possible for example dags

  kind:feature
  Task

  apache/airflow#52477 · Filter by author jscheffl opened on Jun 29, 2025 · Airflow 3.4.0
  1

• Example storyline overview in Airflow core docs

  kind:documentationkind:featurekind:meta
  Task

  apache/airflow#52484 · Filter by author jscheffl opened on Jun 29, 2025 · Airflow 3.4.0
  7

• New example along storyline: Planned maintenance

  kind:feature
  Task

  apache/airflow#52479 · Filter by author jscheffl opened on Jun 29, 2025 · Airflow 3.4.0
  1

• New example along storyline: Turbine monitoring

  kind:documentationkind:feature
  Task

  apache/airflow#52480 · Filter by author jscheffl opened on Jun 29, 2025 · Airflow 3.4.0
  9

• New example along storyline: Turbine report

  area:corekind:feature
  Task

  apache/airflow#52481 · Filter by author jscheffl opened on Jun 29, 2025 · Airflow 3.4.0
  2

• New example along storyline: City reporting

  kind:feature
  Task

  apache/airflow#52483 · Filter by author jscheffl opened on Jun 29, 2025 · Airflow 3.4.0
  1

• New example along storyline (bonus): New example for Human in the Loop operators

  kind:feature
  Task

  apache/airflow#52485 · Filter by author jscheffl opened on Jun 29, 2025 · Airflow 3.4.0
  2

• Check for leftover examples to integrate

  kind:feature
  apache/airflow#52486 · Filter by author jscheffl opened on Jun 29, 2025 · Airflow 3.4.0