> For the complete documentation index, see [llms.txt](https://docs-epc.gitbook.io/ncs-documents/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs-epc.gitbook.io/ncs-documents/release-notes/v4.15.x-v4.15.0-v4.15.9/v4.15.9.md).

# v4.15.9

released at 14/5/2024

## Updates

### Billing & Wallet

* ปรับปรุงความปลอดภัยของระบบเติมเงิน