## Version 1.9.0.0 (Version compatible with elasticsearch 7.8.0)
### Features
* Feature [#147](https://github.com/opendistro-for-elasticsearch/k-NN/pull/147): ODFE 1.9 support for Elasticsearch version 7.8.0 (issue [#146](https://github.com/opendistro-for-elasticsearch/k-NN/issues/146)).

### Enhancements
* Enhancement [#149](https://github.com/opendistro-for-elasticsearch/k-NN/pull/149): Remove/depricate shared library in buildSrc. (issue [#148](https://github.com/opendistro-for-elasticsearch/k-NN/issues/96))
* Enhancement [#141](https://github.com/opendistro-for-elasticsearch/k-NN/pull/141): Modify artifact release Github action. (issue [#140](https://github.com/opendistro-for-elasticsearch/k-NN/issues/140))
* Enhancement [#132](https://github.com/opendistro-for-elasticsearch/k-NN/pull/132): Add github action to build library artifacts. (issue [#122](https://github.com/opendistro-for-elasticsearch/k-NN/issues/122))
* Enhancement [#126](https://github.com/opendistro-for-elasticsearch/k-NN/pull/126): Ability to dynamically update efSearch setting. (issue [#116](https://github.com/opendistro-for-elasticsearch/k-NN/issues/116))
* Enhancement [#125](https://github.com/opendistro-for-elasticsearch/k-NN/pull/125): Fix test structure. (issue [#124](https://github.com/opendistro-for-elasticsearch/k-NN/issues/124))
* Enhancement [#123](https://github.com/opendistro-for-elasticsearch/k-NN/pull/123): Build separate artifacts for library using CPack. (issue [#122](https://github.com/opendistro-for-elasticsearch/k-NN/issues/122))

### Bug Fixes
* Bugfix [#155](https://github.com/opendistro-for-elasticsearch/k-NN/pull/155): Bad recall from Lucene upgrade 8.5.1. (issue [#154](https://github.com/opendistro-for-elasticsearch/k-NN/issues/154))
* Bugfix [#143](https://github.com/opendistro-for-elasticsearch/k-NN/pull/143): Add recursive option to zip. (issue [#140](https://github.com/opendistro-for-elasticsearch/k-NN/issues/140))
* Bugfix [#138](https://github.com/opendistro-for-elasticsearch/k-NN/pull/138): CMake fails to use c++11 CMake 2.8. (issue [#137](https://github.com/opendistro-for-elasticsearch/k-NN/issues/137))
* Bugfix [#134](https://github.com/opendistro-for-elasticsearch/k-NN/pull/134): Fix Jacoco coverage issue introduced in odfe 1.8. (issue [#127](https://github.com/opendistro-for-elasticsearch/k-NN/issues/127))
* Bugfix [#130](https://github.com/opendistro-for-elasticsearch/k-NN/pull/130): Fixes parent directory in makeJniLib gradle task. (issue [#137](https://github.com/opendistro-for-elasticsearch/k-NN/issues/137))
* Bugfix [#125](https://github.com/opendistro-for-elasticsearch/k-NN/pull/125): Flaky test cases caused by Counter Enum. (issue [#124](https://github.com/opendistro-for-elasticsearch/k-NN/issues/124))