Improvements:

• Document HTTP statuses that API routes raise but never declared (#71622)

Bug Fixes:

• Revoke every credential presented to the logout endpoint, not just the session cookie (#72933)
• Restore counts on the Dag Run and Task Instance lists (#72739)
• Return HTTP 404 from task state store endpoints for unknown task instances (#71860)
• Mark only a run's most recent asset event as triggering it (#71547)

Bug Fixes:

• Allow filtering Dag runs by partition date in the API (#70304)
• Simplify the API docs on pattern search (#70509)
• Document the 409 response from the XCom create endpoint (#71128)
• API: Return 503 when SQLite locks during backfill creation (#69659)
• Reject invalid partition keys in the create asset events API (#69581)

New Features:

• AIP-103: Add Core API endpoints for task state and asset state (#67041)
• AIP-103: Add patch task state core API and support for expires_at in set API (#67319)
• Add awaiting_input task state for Human-in-the-loop (#68028)
• Return dag-specified results in the dag run wait API (#64577)
• Add POST /dags/{dag_id}/clearDagRuns bulk endpoint (#67709)
• Add bulk delete Dag Runs (#67095)
• Add bulk update to mark Dag runs as success/failed (#67948)
• Clear, mark success/failed and delete multiple task instances (#64141)
• Add partition clear support to the REST API matching the CLI (#68702)
• Propagate partition_date to consumers of partitioned assets (#67285)
• Add consumer-team asset filtering API endpoint support (#68034)
• Add Dag runs filters for Consuming Asset (#63624)
• Add async connection testing via workers for security isolation (#62343)
• Add nav_top_level option for plugin nav items (#67084)
• Implement patching of task group instances in the API (#62812)
• Add cursor-based pagination for the get_dag_runs endpoint (#65604)
• Add cursor-based pagination for the get_task_instances endpoint (#64845)
• Support ordering XCom entries in the REST API (#65418)
• Enable queueing up new tasks (#63484)
• Add the "is backfillable" property for Dags (#64644)
• Add DagRunType for operator (#63733)
• Pass try_number to the extra links API (#65661)
• Add rerun_with_latest_version config hierarchy for clear/rerun behavior (#63884)

Improvements:

• Record writer info for every asset-store write for better cross-linkage (#67902)
• Apply note when clearing a Dag Run / task instances (#67639)
• Update search parameters to better leverage DB indexes (#64963)
• Filter task instances by rendered map index (#66008)
• Handle undecryptable Variable values gracefully in the Stable REST API (#65452)
• Surface import errors on deactivated Dags (#65687)
• Align Dag capitalization from "DAG" to "Dag" in the API (#66211, #66099, #66112)

Bug Fixes:

• Stop exposing trigger kwargs in the REST API response (#67868)
• Fix Dag run partition-key filter breaking on composite keys with | (#68459)
• Fix sort order for mapped task instances (#67551)
• Fix using the Dag form when materializing an asset (#64211)
• Fix GET /auth/login missing 400 in the OpenAPI spec (#67571)
• Fix GET /pools list endpoint incorrectly documenting 404 in the OpenAPI spec (#67570)
• Fix backfill params not overriding existing Dag run conf (#64939)
• Fix PATCH /dags pagination bug and document wildcard dag_id_pattern (#63665)

Improvements:

• UI: Filter task instances by rendered map index (#66008) (#67163)
• UI: Enable queue up new tasks (#63484) (#66869)
• Pass try_number to extra links API (#65661) (#66171)
• Update search parameters to better leverage DB indexes (#64963) (#65964)
• Add cursor-based pagination for get_dag_runs endpoint (#65604) (#65746)
• Support ordering XCom entries in the REST API and UI (#65418) (#65600)
• UI: Add Dag runs filters for Consuming Asset (#63624) (#65306)
• Align Dag capitalization from "DAG" to "Dag" in core_api (#66211) (#66304)

Bug Fixes:

• Fix backfill params not overriding existing Dag run conf (#64939) (#65599)
• Fix PATCH /dags pagination bug and document wildcard dag_id_pattern (#65309)

Bug Fixes:

• Fix: use Dag form when materializing asset (#64211

New Features:

• Add Asset Partitioning support: backfill for partitioned DAGs (#61464)
• Add partition_key to DagRunAssetReference (#61725)
• Add partition key column and filter to DAG Runs list (#61939)
• Add DagRunType for asset materializations (#62276)
• Add allowed_run_types to allowlist specific DAG run types (#61833)
• Add DAG runs filters by bundleVersion (#62810)
• Expose timetable_partitioned in UI API (#62777)
• Add base React plugin destination (#62530)
• Add team_name to Pool APIs (#60952)
• Add team_name to connection public APIs (#59336)
• Add team_id to variable APIs (#57102)
• Add team selector to list variables and list connections pages (#60995)
• Support OR operator in search parameters (#60008)
• Add wildcard support for dag_id and dag_run_id in bulk task instance endpoint (#57441)
• Add operator_name_pattern, pool_pattern, queue_pattern as search filters for task instances (#57571)
• Add filters to Task Instances tab (#56920)
• Add API support for filtering DAGs by timetable type (#58852)
• Enable triggerer queues (#59239)
• Add ability to add, edit, and delete XComs directly from UI (#58921)
• Add HITL detail history (#55952, #56760)
• Add update_mask support for bulk PATCH APIs (#54597)
• Introduce named asset watchers (#55643)
• Add DAG ID pattern search functionality to DAG Runs and Task Instances (#55691)
• Add UI to allow creation of DAG Runs with partition key (#58004)
• Support retry multiplier parameter (#56866)
• Display active DAG runs count in header with auto-refresh (#58332)
• Add checkbox before clear task confirmation to prevent rerun of tasks in Running state (#56351)

Improvements:

• Upgrade FastAPI and conform OpenAPI schema changes (#61476)
• Use SQLAlchemy native Uuid/JSON types instead of sqlalchemy-utils (#61532)
• Remove team ID and use team name as primary key (#59109)
• Update BulkDeleteAction to use generic type (#59207)
• Add link to API docs (#53346)

Bug Fixes:

• Fix null dag_run_conf in BackfillResponse serialization (#63259)
• Fix missing dag_id filter on DAG Run query (#62750)
• Fix HITLResponse data model name (#57795)
• Remove unused parameter in logout (#58045)

Bug Fixes:

• Fix: 404 queued asset events from API server logs (apache/airflow#62934)
• Fix executor slots showing negative infinity (apache/airflow#61140)
• Fix Pool API slots validation (apache/airflow#61071)
• Add run_after alias to XComResponse for backward compatibility (apache/airflow#61443)

Bug Fixes:

• Update refresh token flow (apache/airflow#55506, apache/airflow#58649)
• Patch pools should have an optional description (apache/airflow#58066, apache/airflow#58169)
• Add task group ID filtering support to task instance query (apache/airflow#59511)
• Fix backfill run_on_latest_version defaulting to False instead of True (apache/airflow#59328)

New Features

Add query limit protection to prevent excessive database queries in DAG runs list endpoints (#57450)

Change extra field type to dict[str, JsonValue] for Asset, AssetAlias, and AssetEvent models (#57352)

Add task_display_name alias field to EventLogResponse for better task identification (#55160)

Add is_favorite field to DAGs list API to support user-specific DAG favorites (#56341)

Improvements

Enhance API documentation for sorting functionality (#56617)

Improve API documentation for the order_by query parameter (#55988)

Remove deprecated dagReports API endpoint (#56609)

Bug Fixes

Fix logout functionality in airflow-core to properly handle session termination (#57990)

Fix API endpoint for clearing task instances to properly support mapped task instances with specific map indexes (#56346)

New Features:

• Add map_index filter to TaskInstance API queries (#55614)
• Add has_import_errors filter to Core API GET /dags endpoint (#54563)
• Add dag_version filter to get_dag_runs endpoint (#54882)
• Implement pattern search for event log endpoint (#55114)
• Add asset-based filtering support to DAG API endpoint (#54263)
• Add Greater Than and Less Than range filters to DagRuns and Task Instance list (#54302)
• Add try_number as filter to task instances (#54695)
• Add filters to Browse XComs endpoint (#54049)
• Add Filtering by DAG Bundle Name and Version to API routes (#54004)
• Add search filter for DAG runs by triggering user name (#53652)
• Enable multi sorting (AIP-84) (#53408)
• Add run_on_latest_version support for backfill and clear operations (#52177)
• Add run_id_pattern search for Dag Run API (#52437)
• Add tracking of triggering user to Dag runs (#51738)
• Expose DAG parsing duration in the API (#54752)

New API Endpoints:

• Add Human-in-the-Loop (HITL) endpoints for approval workflows (#52868, #53373, #53376, #53885, #53923, #54308, #54310, #54723, #54773, #55019, #55463, #55525, #55535, #55603, #55776)
• Add endpoint to watch dag run until finish (#51920)
• Add TI bulk actions endpoint (#50443)
• Add Keycloak Refresh Token Endpoint (#51657)

Deprecations:

• Mark DagDetailsResponse.concurrency as deprecated (#55150)

Bug Fixes:

• Fix dag import error modal pagination (#55719)