Use linear time regular expressions (#32303)
Fix triggerers alive check and add a new conf for triggerer heartbeat rate (#32123)
Catch the exception that triggerer initialization failed (#31999)
Hide sensitive values from extra in connection edit form (#32309)
Sanitize DagRun.run_id and allow flexibility (#32293)
Add triggerer canceled log (#31757)
Fix try number shown in the task view (#32361)
Retry transactions on occasional deadlocks for rendered fields (#32341)
Fix behaviour of LazyDictWithCache when import fails (#32248)
Remove executor_class from Job - fixing backfill for custom executors (#32219)
Fix bugged singleton implementation (#32218)
Use mapIndex to display extra links per mapped task. (#32154)
Ensure that main triggerer thread exits if the async thread fails (#32092)
Use re2 for matching untrusted regex (#32060)
Render list items in rendered fields view (#32042)
Fix hashing of dag_dependencies in serialized dag (#32037)
Return None if an XComArg fails to resolve in a multiple_outputs Task (#32027)
Check for DAG ID in query param from url as well as kwargs (#32014)
Flash an error message instead of failure in rendered-templates when map index is not found (#32011)
Fix ExternalTaskSensor when there is no task group TIs for the current execution date (#32009)
Fix number param html type in trigger template (#31980, #31946)
Fix masking nested variable fields (#31964)
Fix operator_extra_links property serialization in mapped tasks (#31904)
Decode old-style nested Xcom value (#31866)
Add a check for trailing slash in webserver base_url (#31833)
Fix connection uri parsing when the host includes a scheme (#31465)
Fix database session closing with xcom_pull and inlets (#31128)
Fix DAG's on_failure_callback is not invoked when task failed during testing dag. (#30965)
Fix airflow module version check when using ExternalPythonOperator and debug logging level (#30367)

Misc/Internal

Fix task.sensor annotation in type stub (#31954)
Limit Pydantic to < 2.0.0 until we solve 2.0.0 incompatibilities (#32312)
Fix Pydantic 2 pickiness about model definition (#32307)

Doc only changes

Add explanation about tag creation and cleanup (#32406)
Minor updates to docs (#32369, #32315, #32310, #31794)
Clarify Listener API behavior (#32269)
Add information for users who ask for requirements (#32262)
Add links to DAGRun / DAG / Task in Templates Reference (#32245)
Add comment to warn off a potential wrong fix (#32230)
Add a note that we'll need to restart triggerer to reflect any trigger change (#32140)
Adding missing hyperlink to the tutorial documentation (#32105)
Added difference between Deferrable and Non-Deferrable Operators (#31840)
Add comments explaining need for special "trigger end" log message (#31812)
Documentation update on Plugin updates. (#31781)
Fix SemVer link in security documentation (#32320)
Update security model of Airflow (#32098)
Update references to restructured documentation from Airflow core (#32282)
Separate out advanced logging configuration (#32131)
Add ™ to Airflow in prominent places (#31977)