> 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/6.15.0_releasenotes.md).

# 6.15.0

This version has improved the passive liveness check engine, detecting occlusions in the mouth and eyes. It also includes a quality filter, which discards images below a specified threshold. Support for 1:N searches has also been improved, preventing two biometric patterns from sharing the same templateID.

### Added

* New `SelphIDIdentifier::RemoveWithTemplateID()`.
* New Endpoint `identify/removeid/{galleryId}/{templateId}`.
* New `FacialLivenessDiagnostic::NoneBecauseEyesOccluded`.
* New C++ rest-api services.
  * `selphid-sdk-rest-api:facial`. With biometric support, 1:1 and 1:N.
  * `selphid-sdk-rest-api:liveness`. With liveness check support.

### Improved

* The liveness check engine has improved support for poor-quality images and mouth/eye occlusions.
* 1:N galleries do not accept duplicate template identifiers.

### Fixed

* Problem extracting the biometric pattern from documents with multiple faces.
* TemplateRaw cropping when using tokenized images with `ExtractFacialWithRawTemplate()`.