# Amazon EMR 7.4.0 - Tez release notes
7.4.0 release notes

## Amazon EMR 7.4.0 - Tez changes
Tez changes


| Type | Description | 
| --- | --- | 
| Improvement | Remove EventCounter appender from Tez removed in Hadoop 3.4.0 via [HADOOP-17524](https://issues.apache.org/jira/browse/HADOOP-17524) | 
| Upgrade | Upgrade commons-cli to 1.5.0 | 
| Upgrade | Upgrade bouncy-castle version to 1.70.0 |