> 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/ine/release_notes/1.4.0_release_notes.md).

# 1.4.0

This Version improves service robustness, configuration flexibility, and compatibility with the latest biometric engine.

## Highlights

* Updated biometric engine.
* Added configuration precedence with support for environment variables `FACEPHI_INE_REST_*`.
* Improved handling of malformed inputs for invalid JSON and malformed Base64 payloads.
* Improved the facial authentication Flow for mixed combinations of images and templates.

## Impact

* No changes to API routes.
* Existing clients can continue using the same endpoints.
* Deployments can now override the configuration via environment variables without modifying the application code.