add release note for task vars fix
+#### <sub><sup><a name="5758" href="#5758">:link:</a></sup></sub> fix
+
+* @evanchaoli fixed a regression that prevented using both [static vars] and [dynamic vars] simultaneously in a task. #5758
+
+[static vars]: https://concourse-ci.org/vars.html#static-vars
+[dynamic vars]: https://concourse-ci.org/vars.html#dynamic-vars
