Chenglong Yan

Snapshot: ------ closes: #26427 related: #26461 --- **^ Add meaningful description above** Read the **[Pull Request Guidelines](https://github.com/apache/airflow/blob/main/CONTRIBUTING.rst#pull-request-guidelines)** for more information. In case of fundamental code changes, an Airflow Improvement Proposal...

Fix scope of backfill job raise TaskConcurrencyLimitReached

7

When a task raise TaskConcurrencyLimitReached its sibling task may be blocked, i think narrowing the scope of TaskConcurrencyLimitReached would solve this problem related: #26078 --- **^ Add meaningful description above**...