Wooohooo!!! On Fri, Mar 14, 2025 at 4:50 AM Vikram Koka <vik...@astronomer.io.invalid> wrote:
> Awesome! > > Thank you Kaxil, Jed, and all the contributors to this release. It is great > to see this coming together and weekly cadence is super helpful. > > Vikram > > On Thu, Mar 13, 2025 at 11:36 PM Kaxil Naik <kaxiln...@apache.org> wrote: > > > Dear Airflow Community, > > > > I am thrilled to announce the availability of Apache Airflow 3.0.0.beta3 > > for testing! Airflow 3.0 marks a significant milestone as the first major > > release in over four years, introducing improvements that enhance user > > experience, task execution, and system scalability. > > > > First, a few caveats: > > > > This is a beta release, so do not run it in production. It may contain > > significant issues, and you will likely need to reset your database > between > > this and subsequent beta or release candidate versions. (Consider > yourself > > warned!) > > > > This release is intended for Airflow developers only to test the build > and > > start preparing for Airflow 3.0.0. This is not an official release—that > > will happen when we create a release candidate and hold a vote. The > > expected timeline for the first release candidate is the week of > > 2025-03-31, but we encourage early feedback to help stabilize the > release. > > > > What's new in Airflow 3? > > > > Airflow 3.0.0 introduces significant enhancements and breaking changes. > > > > Notable Features > > > > DAG versioning & Bundles > > > > Airflow now tracks DAG versions, offering better visibility into > historical > > DAG changes and execution states. The introduction of DAG Bundles ensures > > tasks run with the correct code version, even as DAGs evolve. > > > > Modern Web Application > > > > The UI has been rebuilt using React and a complete API-driven structure, > > improving maintainability and extensibility. It includes a new > > component-based design system and an enhanced information architecture. A > > new React-based plugin system supports custom widgets, improved workflow > > visibility, and integration with external tools. > > > > Task Execution Interface > > > > Airflow 3.0 adopts a client / server architecture, decoupling task > > execution from the internal meta-database via API-based interaction. This > > allows for remote execution across networks, multi-language support, > > enhanced security, and better dependency management. The Edge Executor > > further enables seamless remote task execution without direct database > > connections. > > > > Data Assets & Asset-Centric Syntax > > > > Airflow 3.0 enhances dataset management by introducing Data Assets, > > expanding beyond tables and files to include ML models and more. Assets > can > > be explicitly defined using the @asset decorator, simplifying tracking > and > > dependencies. > > > > External Event-Driven Scheduling > > > > Airflow now supports event-driven DAG triggers from external sources like > > message queues and blob stores. This builds upon dataset scheduling and > > enhances integration with the external data ecosystem. > > > > For a more comprehensive list of new features, please see the 3.0.0beta3 > > release notes: > > > > > > > https://github.com/apache/airflow/blob/3.0.0b3/RELEASE_NOTES.rst#airflow-3-0-0b3-2025-03-13 > > > > For a list of the breaking changes, please see visit: > > https://cwiki.apache.org/confluence/x/9pCMEw > > > > Known limitations in 3.0.0.beta3: > > > > > > AIP-72 - Task Execution Interface > > - > > > > The following capabilities are not yet supported in the beta: Skip > > based tasks (e.g. branch or skip operators) and Task callbacks. > > - > > > > AIP-38 - Modern Web Application > > - > > > > The new UI has limited functionality at this time and is still > being > > enhanced until GA. However, feedback on the UX flow is > > appreciated at this > > time. > > - > > > > The underlying FastAPI API server, including the new UI and public > > API, has better coverage than beta2 but still has certain > > functionalities missing with auth + permissions. > > - > > > > Notable areas that are usable but not 100% complete: Backfills, > > Connections, Assets, Dag Versioning. > > > > > > > > Where to get it? The alpha snapshot is available at: > > https://dist.apache.org/repos/dist/dev/airflow/3.0.0b3/ > > > > - apache-airflow-3.0.0b3-bin.tar.gz: Binary Python "sdist" snapshot. > > - apache_airflow-3.0.0b3-py3-none-any.whl: Binary Python wheel > snapshot. > > > > > > This snapshot has not been published to PyPI. > > > > Also present are beta releases for apache-airflow-task-sdk, > > apache-airflow-providers-standard, apache-airflow-providers-fab, > > apache-airflow-providers-openlineage, > > apache-airflow-providers-common-compat, > > apache-airflow-providers-cncf-kubernetes and > > apache-airflow-providers-celery, which you will also need for 3.0.0b3 to > > work. These have also not been published to PyPI. > > > > Public Keys & Verification > > > > Public keys for verification are available at: > > https://www.apache.org/dist/airflow/KEYS > > > > Instructions: > > > > You can build a virtualenv that installs this beta, and other required > > packages (e.g. task sdk), like this: > > > > ``` > > uv venv > > > > uv pip install --find-links > > https://dist.apache.org/repos/dist/dev/airflow/3.0.0b3/ \ > > apache-airflow==3.0.0b3 \ > > apache-airflow-task-sdk==1.0.0b3 \ > > apache-airflow-providers-celery==3.10.4b3 \ > > apache-airflow-providers-cncf-kubernetes==10.4.0b3 \ > > apache-airflow-providers-fab==2.0.0b3 \ > > apache-airflow-providers-openlineage==2.1.2b3 \ > > apache-airflow-providers-standard==0.1.2b3 > > ``` > > > > Below are some of the changes you’ll need to consider in order to run > this > > beta release: > > > > - The standalone DAG processor is now required, and can be started > with > > `airflow dag-processor`. > > - The new UI and public API is started by running `airflow > api-server`, > > and the UI is available on port `8080`. > > - Depending on your deployment setup, you may need to set the > `[workers] > > execution_api_server_url` config option. This defaults to ` > > http://localhost:8080/execution/` <http://localhost:8080/execution/> > <http://localhost:8080/execution/> < > > http://localhost:8080/execution/>. > > > > Get Involved > > > > We encourage the community to test this release and report any issues or > > feedback. Your contributions help us ensure a stable and reliable Airflow > > 3.0.0 release. Please report issues using Github at > > https://github.com/apache/airflow/issues and mark that this is an issue > in > > 3.0.0. For an updated list of all known issues in the beta can also be > > found in the above link with the label “affected_version:3.0.0beta”. > > > > A huge thank you to all the contributors who have worked on this > milestone > > release! > > > > Thanks, > > Kaxil & Jed > > >
