> 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/ocr/release_notes/2.4.0_release_notes.md).

# 2.4.0

An improved invoice OCR engine has been implemented with significant performance improvements.

### Changes

* Updated the Version of Facephi Rest Manager to 2.5.0. New configuration parameters added to the json "logger\_path", "logger\_level", "logger\_rotation", "logger\_max\_files".
* Updated Facephi Core Recognition to version 2.15. Updated the invoice OCR engine with significant performance improvements.