# Incompatible

This document records the incompatible updates between each version. You need to check this document before you upgrade to related version.

## dev

* Remove the spark version of spark task ([#11860](https://github.com/apache/dolphinscheduler/pull/11860)).

## 3.0.0

* Copy and import workflow without 'copy' suffix [#10607](https://github.com/apache/dolphinscheduler/pull/10607)
* Use semicolon as default sql segment separator [#10869](https://github.com/apache/dolphinscheduler/pull/10869)

## 3.1.1

* Change the default unix shell executor from sh to bash ([#12180](https://github.com/apache/dolphinscheduler/pull/12180)).
