Don't crash attempting to mask secrets in dict with non-string keys (#16601)
Always install sphinx_airflow_theme from PyPI (#16594)
Remove limitation for elasticsearch library (#16553)
Adding extra requirements for build and runtime of the PROD image. (#16170)
Cattrs 1.7.0 released by the end of May 2021 break lineage usage (#16173)
Removes unnecessary packages from setup_requires (#16139)
Pins docutils to <0.17 until breaking behaviour is fixed (#16133)
Improvements for Docker Image docs (#14843)
Ensure that dag_run.conf is a dict (#15057)
Fix CLI connections import and migrate logic from secrets to Connection model (#15425)
Fix Dag Details start date bug (#16206)
Fix DAG run state not updated while DAG is paused (#16343)
Allow null value for operator field in task_instance schema(REST API) (#16516)
Avoid recursion going too deep when redacting logs (#16491)
Backfill: Don't create a DagRun if no tasks match task regex (#16461)
Tree View UI for larger DAGs & more consistent spacing in Tree View (#16522)
Correctly handle None returns from Query.scalar() (#16345)
Adding only_active parameter to /dags endpoint (#14306)
Don't show stale Serialized DAGs if they are deleted in DB (#16368)
Make REST API List DAGs endpoint consistent with UI/CLI behaviour (#16318)
Support remote logging in elasticsearch with filebeat 7 (#14625)
Queue tasks with higher priority and earlier execution_date first. (#15210)
Make task ID on legend have enough width and width of line chart to be 100%. (#15915)
Fix normalize-url vulnerability (#16375)
Validate retries value on init for better errors (#16415)
add num_runs query param for tree refresh (#16437)
Fix templated default/example values in config ref docs (#16442)
Add passphrase and private_key to default sensitive field names (#16392)
Fix tasks in an infinite slots pool were never scheduled (#15247)
Fix Orphaned tasks stuck in CeleryExecutor as running (#16550)
Don't fail to log if we can't redact something (#16118)
Set max tree width to 1200 pixels (#16067)
Fill the "job_id" field for airflow task run without --local/--raw for KubeExecutor (#16108)
Fixes problem where conf variable was used before initialization (#16088)
Fix apply defaults for task decorator (#16085)
Parse recently modified files even if just parsed (#16075)
Ensure that we don't try to mask empty string in logs (#16057)
Don't die when masking log.exception when there is no exception (#16047)
Restores apply_defaults import in base_sensor_operator (#16040)
Fix auto-refresh in tree view When webserver ui is not in / (#16018)
Fix dag.clear() to set multiple dags to running when necessary (#15382)
Fix Celery executor getting stuck randomly because of reset_signals in multiprocessing (#15989)