> For the complete documentation index, see [llms.txt](https://docs.facephi.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.facephi.com/docs.facephi-en/sdks/backend-sdk/selphid/release_notes/6.2.0_releasenotes.md).

# 6.2.0

In this version, the liveness check, facial extraction, and 1:n search engines have been updated. New licensing modes have also been included.

### Added

* License mode `shared-online`.
* License mode `server-online`.
* License mode `on-premise`.

### Changed

* Updated liveness check engine.
* Updated facial extraction engine.
* Updated 1:n engine.
* Retrieval of the environment variable `FACEPHI_SELPHID_FACIAL_LICPATH_KEY` and from the file `license.lic`.

### Removed

* Environment variable `FACEPHI_SELPHID_LICENSE_KEY` to provide the License code.