> 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

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