# Amazon EMR 6.15.0 - Hive release notes
<a name="Hive-release-history-6150"></a>

## Amazon EMR 6.15.0 - Hive changes
<a name="Hive-release-history-changes-6150"></a>


****  

| Type | Description | 
| --- | --- | 
| Feature | Support for [TEZ-4397](https://issues.apache.org/jira/browse/TEZ-4397) – For Tez asynchronous split opening, Hive now supports the Tez configs described in [Tez asynchronous split opening](tez-configure.md#tez-configure-async). | 
| Bug fix | [HIVE-25400](https://issues.apache.org/jira/browse/HIVE-25400) – Move the offset updating in `BytesColumnVector` to `setValPreallocated`. | 
| Bug fix | [HIVE-25190](https://issues.apache.org/jira/browse/HIVE-25190) – Fix many small allocations in `BytesColumnVector`. | 
| Bug Fix | Packaging netty modules with llap server to avoid *NoClassDefFound* exception when starting *LLapDaemon* on worker nodes. | 
| Upgrade | Upgrade Apache Hadoop to 3.3.6. | 
| Upgrade | [HIVE-26684](https://issues.apache.org/jira/browse/HIVE-26684) – Upgrade `maven-shade-plugin` to 3.4.1. | 
| Improvement | To reduce Amazon EMR cluster startup time, remove 15 seconds of sleep time from the HCatalog startup script. |