# Amazon EMR 6.14.0 - Hive release notes
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## Amazon EMR 6.14.0 - Hive changes
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| Type | Description | 
| --- | --- | 
| Improvement | [HIVE-26762](https://issues.apache.org/jira/browse/HIVE-26762): Remove operand pruning in `HiveFilterSetOpTransposeRule` | 
| Bug fix | [HIVE-27582](https://issues.apache.org/jira/browse/HIVE-27582): Do not cache HBase table input format in FetchOperator | 
| Bug fix | [HIVE-26452](https://issues.apache.org/jira/browse/HIVE-26452): NPE when converting JOIN to MAPJOIN and JOIN column referenced more than once | 
| Bug fix | [HIVE-26416](https://issues.apache.org/jira/browse/HIVE-26416): `AcidUtils.isRawFormatFile()` throws `InvalidProtocolBufferException` for non-ORC file  | 
| Bug fix | [HIVE-26105](https://issues.apache.org/jira/browse/HIVE-26105): **Show columns** shows extra values if column **Comments** contains specific Chinese character  | 
| Bug fix | [HIVE-25864](https://issues.apache.org/jira/browse/HIVE-25864): Hive query optimisation creates wrong plan for predicate pushdown with windowing function  | 
| Bug fix | [HIVE-25224](https://issues.apache.org/jira/browse/HIVE-25224): Multiple INSERT statements involving tables with different `bucketing_versions` results in error | 
| Bug fix | [HIVE-24151](https://issues.apache.org/jira/browse/HIVE-24151): `MultiDelimitSerDe` shifts data if strings contain non-ASCII characters | 
| Bug fix | [HIVE-23606](https://issues.apache.org/jira/browse/HIVE-23606): (LLAP) Delay In `DirectByteBuffer` cleanup for `EncodedReaderImpl` | 
| Bug fix | [HIVE-22165](https://issues.apache.org/jira/browse/HIVE-22165): Synchronisation introduced by [HIVE-14296](https://issues.apache.org/jira/browse/HIVE-14296) on `SessionManager.closeSession` causes high latency in a busy Hive server  | 
| Bug fix | [HIVE-21304](https://issues.apache.org/jira/browse/HIVE-21304): Make bucketing version usage more robust |