Apache Airflow 2.4.1

Bug Fixes

• When rendering template, unmap task in context (#26702)
• Fix scroll overflow for ConfirmDialog (#26681)
• Resolve deprecation warning re Table.exists() (#26616)
• Fix XComArg zip bug (#26636)
• Use COALESCE when ordering runs to handle NULL (#26626)
• Check user is active (#26635)
• No missing user warning for public admin (#26611)
• Allow MapXComArg to resolve after serialization (#26591)
• Resolve warning about DISTINCT ON query on dags view (#26608)
• Log warning when secret backend kwargs is invalid (#26580)
• Fix grid view log try numbers (#26556)
• Template rendering issue in passing templates_dict to task decorator (#26390)
• Fix Deferrable stuck as scheduled during backfill (#26205)
• Suppress SQLALCHEMY_TRACK_MODIFICATIONS warning in db init (#26617)
• Correctly set json_provider_class on Flask app so it uses our encoder (#26554)
• Fix WSGI root app (#26549)
• Fix deadlock when mapped task with removed upstream is rerun (#26518)
• ExecutorConfigType should be cacheable (#26498)
• Fix proper joining of the path for logs retrieved from celery workers (#26493)
• DAG Deps extends base_template (#26439)
• Don't update backfill run from the scheduler (#26342)

Doc only changes

• Clarify owner links document (#26515)
• Fix invalid RST in dataset concepts doc (#26434)
• Document the non-sensitive-only option for expose_config (#26507)
• Fix example_datasets dag names (#26495)
• Zip-like effect is now possible in task mapping (#26435)
• Use task decorator in docs instead of classic operators (#25711)