Fix memory leak in dag-processor (#50558)
Add back invalid inlet and outlet check before running tasks (#50773)
Implement slice on LazyXComSequence to allow filtering items from a mapped task(#50117)
Fix execution API server URL handling for relative paths in KE (#51183)
Add log lookup exception for Empty operator subtypes (#50325)
Increase the max zoom on the graph view to make it easier to see small dags on big monitor screens (#50772)
Fix timezone selection and dashboard layout (#50463)
Creating backfill for a dag is affecting other dags (#50577)
Fix next asset schedule and dag card UX (#50271)
Add bundle path to sys.path in task runner (#51318)
Add bundle path to sys.path in dag processor (#50385)
Prevent CPU spike in task supervisor when heartbeat timeout exceeded (#51023)
Fix Airflow Connection Form widget error (#51168)
Add backwards compatibility shim and deprecation warning for EmailOperator (#51004)
Handle SIGSEGV signals during DAG file imports (#51171)
Fix deferred task resumption in dag.test() (#51182)
Fix get dags query to not have join explosion (#50984)
Ensure Logical date is populated correctly in Context vars (#50898)
Mask variable values in task logs only if the variable key is sensitive (#50775)
Mask secrets when retrieving variables from secrets backend (#50895)
Deserialize should work while retrieving variables with secrets backend (#50889)
Fix XCom deserialization for mapped tasks with custom backend (#50687)
Support macros defined via plugins in Airflow 3 (#50642)
Fix Pydantic ForwardRef error by reordering discriminated union definitions (#50688)
Adding backwards compatibility shim for BaseNotifier (#50340)
Use latest bundle version when clearing / re-running dag (#50040)
Handle upstream_mapped_index when xcom access is needed (#50641)
Remove unnecessary breaking flag in config command (#50781)
Do not flood worker logs with secrets backend loading logs (#50581)
Persist table sorting preferences across sessions using local storage (#50720)
Fixed patch_task_instance API endpoint to support task instance summaries and task groups (#50550)
Fixed bulk API schemas to improve OpenAPI compatibility and client generation (#50852)
Fixed variable API endpoints to support keys containing slashes (#50841)
Restored backward compatibility for the /run API endpoint for older Task SDK clients
Fixed dropdown overflow and error text styling in FlexibleForm component (#50845)
Corrected DAG tag rendering to display +1 more when tags exceed the display limit by one (#50669)
Fix permission check on the ui config endpoint (#50608)
Fix default_args handling in operator .partial() to prevent TypeError when unused keys are present (#50525)
DAG Processor: Fix index to sort by last parsing duration (#50388)
UI: Fix border overlap issue in the Events page (#50453)
Fix airflow tasks clear command (#49631)
Restored support for --local flag in dag list and dag list-import-errors CLI commands (#49380)
CLI: Exclude example dags when a bundle is passed (#50401)
Fix CLI export to handle stdout without file descriptors (#50328)
Fix DagProcessor stats log to show the correct parse duration (#50316)
Fix OpenAPI schema for get_log API (#50547)
Remove logical_date check when validating inlets and outlets (#51464)
Guard ti update state and set task to fail if exception encountered (#51295)

Miscellaneous

UI: Implement navigation on bar click (#50416)
UI: Always Show Trends count in Dag Overview (#50183)
UI: Add basic json check to variable value
Remove filtering by last dag run state in patch dags endpoint (#51347)
Ensure that both public and ui dags endpoints map to DagService (#51226)
Refresh Dag details page on new run (#51173)
Log fallback to None when no XCom value is found (#51285)
Move example_dags in standard provider to example_dags in sources (#51275)
Bring back "standard" example dags to the airflow-core package (#51192)
Faster note on grid endpoint (#51247)
Port task.test to Task SDK (#50827)
Port dag.test to Task SDK (#50300,#50419)
Port ti.run to Task SDK execution path (#50141)
Support running airflow dags test from local files (#50420)
Move macros to task SDK execution_time module (#50940)
Add a link to the Airflow logo in Nav (#50304)
UI: Bump minor and patch package json dependencies (#50298)
Added a direct link to the latest DAG run in the DAG header (#51119,#51148)
Fetch only the most recent dagrun value for list display (#50834)
Move secret_key config to api section (#50839)
Move various webserver configs to fab provider (#50774,#50269,#50208,#50896)
Make dag_run nullable in Details page (#50719)
Rename Operation IDs for task instance endpoints to include map indexes (#49608)
Update default sort for connections and dags (#50600)
Raise exception if downgrade can't proceed due to no ab_user table (#50343)
Enable JSON serialization for variables created via the bulk API (#51057)
Always display the backfill option in the UI; enable it only for DAGs with a defined schedule (#50969)
Optimized DAG header to fetch only the most recent DAG run for improved performance (#50767)
Add owner_links field to DAGDetailsResponse for enhanced owner metadata in the API (#50557)
UI: Move map index column to be in line with other columns when viewing a summary mapped tasks (#50302)
Separate configurations for colorized and json logs in Task SDK / Celery Executor (#51082)
Enhanced task log viewer with virtualized rendering for improved performance on large logs (#50746)

Doc Only Changes

Add dates for Limited Maintenance & EOL for Airflow 2.x (#50794)
Add Apache Airflow setup instructions for Apple Silicon (#50179)
Update recommendation for upgrade path to airflow 3 (#50318)
Add "disappearing DAGs" section on FAQ doc (#49987)
Update Airflow 3 migration guide with step about custom operators (#50871) (#50948)
Use AssetAlias for alias in Asset Metadata example (#50768)
Do not use outdated schedule_interval in tutorial dags (#50947)
Add Airflow Version in Page Title (#50358)
Fix callbacks docs (#50377)
Updating operator extra links doc (#50197)
Prune old Airflow versions from release notes (#50860)
Fix types in config templates reference (#50792)
Fix wrong import for PythonOperator in tutorial dag (#50962)
Better structure of extras documentation (#50495)

Full Changelog: https://github.com/apache/airflow/compare/3.0.1...3.0.2