# R1300 (23-May-2024) This release introduces emSign CertHub platform support for on-premise deployment alongside our existing cloud offering. This update empowers enterprises to choose the deployment model that best suits their needs, whether it's in the cloud or on their own infrastructure. > #### What's New * **On-Premise Deployment Option**: Enterprises now have the flexibility to deploy our platform on-premise, allowing for greater control. * **API Layer Integration**: We've rebuilt the platform with a robust API layer, enabling seamless integration with database and other functions. > #### Enhancements * **Removal of Purchase Orders feature:** Purchase Orders feature has been removed from emSign CertHub platform. For any support regarding PO-based credits allocation/payment status tracking, please contact your Account Manager. * **CSR**: Added support for ECC (Elliptic Curve Cryptography) key algorithm in the SSL certificate ordering form. ECC keys provides enhanced security with smaller key sizes. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.certinext.io/documentation/release-notes/r1300-23-may-2024.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.