# Amazon EMR 7.3.0 - Hive release notes
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## Amazon EMR 7.3.0 - Hive changes
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| Type | Description | 
| --- | --- | 
| Feature | [ HIVE-18728](https://issues.apache.org/jira/browse/HIVE-18728) – Secure webHCat with SSL. | 
| Improvement | Support configuring SSL keystore credentials for LLAP daemon web UI. | 
| Improvement | Provide option to control SSL hostname verification for Hive metastore server. | 
| Bug Fix | [ HIVE-26541](https://issues.apache.org/jira/browse/HIVE-26541) – NPE when starting WebHCat Service. | 
| Bug Fix | [ HIVE-23011](https://issues.apache.org/jira/browse/HIVE-23011) – Shared work optimizer should check residual predicates when comparing joins. | 
| Bug Fix | Fix **javax.security.sasl.SaslException**: No common protection layer between client and server between HMS and Namenode when In-Transit Encryption is enabled. | 
| Bug Fix | Fix **IOException** where end of orc split overlaps with the start of a block location. | 
| Bug Fix | Use column name delimiter instead of always splitting by comma when column names contain comma character and using CSVSerde. | 

### Amazon EMR 7.3.0 - New configurations
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| Classification | Name | Default | Description | 
| --- | --- | --- | --- | 
| hcatalog-webhcat-site | templeton.use.ssl | false | Set this to true for using SSL encryption for WebHCat server. | 
| hcatalog-webhcat-site | templeton.keystore.path |  | SSL certificate keystore location for WebHCat server. | 
| hcatalog-webhcat-site | templeton.keystore.password |  | SSL certificate keystore password for WebHCat server. | 
| hcatalog-webhcat-site | templeton.ssl.protocol.blacklist | SSLv2, SSLv3 | SSL Versions to disable for WebHCat server. | 
| hcatalog-webhcat-site | templeton.host | 0.0.0.0 | The host address the WebHCat server will listen on. | 
| hive-site | hive.metastore.ssl.enable.hostname.verification | false | Control hostname verification during SSL/TLS handshaking. | 
| hive-site | hive.llap.daemon.web.ssl.keystore.path |  | SSL certificate keystore location for LLAP daemon web UI. | 
| hive-site | hive.llap.daemon.web.ssl.keystore.password |  | SSL certificate keystore password for LLAP daemon web UI. | 
| hive-site | hive.metastore.hadoop.rpc.protection.override.to.authentication | false | When enabled, HMS always overrides the value for hadoop.rpc.protection for authentication in its set of configurations. |