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[v3-1-test] Add guardrail to handle DAG deserialization errors in scheduler

area:Schedulerincluding HA (high availability) schedulerincluding HA (high availability) scheduler

type:bug-fixChangelog: Bug FixesChangelog: Bug Fixes

Status: Merged (completed).

apache/airflownumber 61210

#61210 In apache/airflow;

· by vatsrahul1001 was closed on Jan 29, 2026

Test connection always fails in airflow ui and cli

affected_version:3.1Issues Reported for 3.1Issues Reported for 3.1

area:core

area:UIRelated to UI/UX. For Frontend Developers.Related to UI/UX. For Frontend Developers.

kind:bugThis is a clearly a bugThis is a clearly a bug

Status: Closed (completed).

#59298 In apache/airflow;

· by choo121600 was closed on Jan 20, 2026

Gracefully Handle Invalid <code>consumed_asset_event</code> in <code>DagRunContext</code>

area:core

kind:bugThis is a clearly a bugThis is a clearly a bug

kind:metaHigh-level information important to the communityHigh-level information important to the community

Status: Closed (completed).

#59740 In apache/airflow;

· by Lee-W was closed on Jan 22, 2026

Prevent Triggerer from crashing when a trigger event isn't serializable

area:Triggerer

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

changelog:skipChanges that should be skipped from the changelog (CI, tests, etc..)Changes that should be skipped from the changelog (CI, tests, etc..)

Status: Merged (completed).

apache/airflownumber 60152

#60152 In apache/airflow;

· by dabla was closed on Jan 22, 2026

Remove API error from disabling submit

area:UIRelated to UI/UX. For Frontend Developers.Related to UI/UX. For Frontend Developers.

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

Status: Merged (completed).

apache/airflownumber 60473

#60473 In apache/airflow;

· by bbovenzi was closed on Jan 16, 2026

Move row count and display toggle into DataTable

area:UIRelated to UI/UX. For Frontend Developers.Related to UI/UX. For Frontend Developers.

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

Status: Merged (completed).

apache/airflownumber 57680

#57680 In apache/airflow;

· by cmbilly8 was closed on Jan 16, 2026

apply gc.freeze in dag-processor to improve memory performance

area:DAG-processing

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

Status: Merged (completed).

apache/airflownumber 60505

#60505 In apache/airflow;

· by wjddn279 was closed on Jan 21, 2026

Grey out trigger button on API 403

area:UIRelated to UI/UX. For Frontend Developers.Related to UI/UX. For Frontend Developers.

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

Status: Merged (completed).

apache/airflownumber 60648

#60648 In apache/airflow;

· by pierrejeambrun was closed on Jan 16, 2026

Fix minor display issue with migration to airflow 3 docs

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

kind:documentation

type:doc-onlyChangelog: Doc OnlyChangelog: Doc Only

Status: Merged (completed).

apache/airflownumber 60749

#60749 In apache/airflow;

· by eladkal was closed on Jan 18, 2026

Revert Fix breeze start-airflow mprocs output interference #60652

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

Status: Merged (completed).

apache/airflownumber 60786

#60786 In apache/airflow;

· by pierrejeambrun was closed on Jan 19, 2026

Fix unnecessary DAG version churn when DAG file paths change

area:serialization

type:bug-fixChangelog: Bug FixesChangelog: Bug Fixes

Status: Merged (completed).

apache/airflownumber 60799

#60799 In apache/airflow;

· by kaxil was closed on Jan 20, 2026

improved a log message in the dag parsing.

area:DAG-processing

Status: Merged (completed).

apache/airflownumber 60789

#60789 In apache/airflow;

· by Nataneljpwd was closed on Jan 19, 2026

Fix connection test API to restore masked password/extra from existing connections

area:APIAirflow's REST/HTTP APIAirflow's REST/HTTP API

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

Status: Merged (completed).

apache/airflownumber 59643

#59643 In apache/airflow;

· by choo121600 was closed on Jan 20, 2026

Convert Tasks Table from card to table mode

area:UIRelated to UI/UX. For Frontend Developers.Related to UI/UX. For Frontend Developers.

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

Status: Merged (completed).

apache/airflownumber 60830

#60830 In apache/airflow;

· by pierrejeambrun was closed on Jan 21, 2026

Use log_level for root logger instead of hardcoded INFO level

area:logging

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

Status: Merged (completed).

apache/airflownumber 60784

#60784 In apache/airflow;

· by justinpakzad was closed on Jan 23, 2026

Docs: clarify BaseSensorOperator parameters in Sensors guide

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

kind:documentation

type:doc-onlyChangelog: Doc OnlyChangelog: Doc Only

Status: Merged (completed).

apache/airflownumber 60275

#60275 In apache/airflow;

· by jaymasiwal was closed on Jan 21, 2026

Exclude mysql-connector-python 9.6.0 version

area:providers

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

kind:documentation

provider:mysql

Status: Merged (completed).

apache/airflownumber 60889

#60889 In apache/airflow;

· by potiuk was closed on Jan 21, 2026

Fix dag access control for dag_id in query param

area:APIAirflow's REST/HTTP APIAirflow's REST/HTTP API

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

Status: Merged (completed).

apache/airflownumber 60935

#60935 In apache/airflow;

· by pierrejeambrun was closed on Jan 23, 2026

Fix permissions on get_event_logs endpoint

area:APIAirflow's REST/HTTP APIAirflow's REST/HTTP API

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

Status: Merged (completed).

apache/airflownumber 60936

#60936 In apache/airflow;

· by pierrejeambrun was closed on Jan 23, 2026

Fix DAG processor OOM || Avoid loading all TaskInstances when checking DagVersion in write_dag

area:serialization

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

type:bug-fixChangelog: Bug FixesChangelog: Bug Fixes

Status: Merged (completed).

apache/airflownumber 60937

#60937 In apache/airflow;

· by vatsrahul1001 was closed on Jan 23, 2026

Eliminate serdag loading added in #56422

area:serialization

changelog:skipChanges that should be skipped from the changelog (CI, tests, etc..)Changes that should be skipped from the changelog (CI, tests, etc..)

Status: Merged (completed).

apache/airflownumber 57537

#57537 In apache/airflow;

· by ephraimbuddy was closed on Oct 30, 2025

Fix NoneType error when updating serialized DAG

area:serialization

type:bug-fixChangelog: Bug FixesChangelog: Bug Fixes

Status: Merged (completed).

apache/airflownumber 56422

#56422 In apache/airflow;

· by anshuksi282-ksolves was closed on Oct 27, 2025

Use bulk DELETE for <code>XComModel.clear()</code> instead of loading records

type:misc/internalChangelog: Misc changes that should appear in change logChangelog: Misc changes that should appear in change log

Status: Merged (completed).

apache/airflownumber 60955

#60955 In apache/airflow;

· by kaxil was closed on Jan 22, 2026

Fix ui get dags permission endpoint for user without dag run permissions

area:APIAirflow's REST/HTTP APIAirflow's REST/HTTP API

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

Status: Merged (completed).

apache/airflownumber 60979

#60979 In apache/airflow;

· by pierrejeambrun was closed on Jan 23, 2026

Respect maximum page limit in API

area:APIAirflow's REST/HTTP APIAirflow's REST/HTTP API

backport-to-v3-1-testMark PR with this label to backport to v3-1-test branchMark PR with this label to backport to v3-1-test branch

Status: Merged (completed).

apache/airflownumber 60989

#60989 In apache/airflow;

· by pierrejeambrun was closed on Jan 26, 2026