<commit_before># Change Log
All notable changes to this project will be documented in this file.<commit_msg>[releng] update changelog with 6.7.0 changes<commit_after># Change Log
All notable changes to this project will be documented in this file.

## 6.7.0

### Added
- A new `deploymentId` configuration key to specify both DB and Index name prefix to support multi-tenant deployments (#256)
- Support MRCM reference set member properties in `SnomedRefSetMemberSearchRequest` (a14b9d9) 

### Changed
- Use the high-level Elasticsearch REST Client to communicate with either an embedded note or remote cluster (#251)  
- Check all potential reference set member properties where a component ID might be referenced during module dependency updates (17b3a2a)

### Dependencies
- Bump Virgo package version from `3.7.0.M3` to `3.7.2` (#253)
- Bump Elasticsearch version from `6.0.1` to `6.3.2` (#251)

### Performance
- Improve SNOMED CT RF2 export performance (#249)
- Reduce number of documents to load when using `snomed-query` based validation rules (4f980a1) 

### Bugs
- Fix cache cleanup (memory leak) in `SnomedEditingContext/SnomedRefSetEditingContext` (d97bf3e)
- Fix occasionally failing unit tests due to index refresh bug in `EsDocumentSearcher` (2d3cd7f)
- Fix incorrect `RF2` archive effective date when using `endEffectiveDate` filter in `RF2` Delta exports (cd54af3)
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