--- title: "[4.19] Patch 5 - September 11, 2024" slug: "4-19-patch-5-september-11-2024" updated: 2026-08-19T06:36:15Z published: 2026-08-19T06:36:15Z canonical: "support.fortanix.com/4-19-patch-5-september-11-2024" --- > ## Documentation Index > Fetch the complete documentation index at: https://support.fortanix.com/llms.txt > Use this file to discover all available pages before exploring further. # [4.19] Patch 5 - September 11, 2024 Fortanix Data Security Manager (DSM) 4.19.2478 release provides an overview of improvements and bug fixes. > [!WARNING] > WARNING > > - You are **REQUIRED** to upgrade Fortanix DSM to version 4.13 or 4.16 before upgrading to version 4.19.2478. If you want to upgrade to 4.19.2478 from an earlier version, please reach out to the Fortanix Support team. > - Downgrading from Fortanix DSM version 4.19.2478 to any lower version is not possible. > [!NOTE] > NOTE > > - The Fortanix DSM cluster upgrade must be done with Fortanix support on call. Please reach out to Fortanix support if you are planning an upgrade. > - The customer's BIOS version must be checked by Fortanix Support before the Fortanix DSM software upgrade. If required, the BIOS version should be upgraded to the latest version and verified by Fortanix Support for a smooth upgrade. > - If your Fortanix DSM version is 4.13 or later, then the HSM gateway version must also be 4.13 or later. Similarly, if the HSM Gateway version is 4.13 or later, then your Fortanix DSM version must be 4.13 or later. ## 1. Improvements - Fortanix DSM now supports up to 3000 groups **(JIRA: ROFR-5047)**. > [!NOTE] > NOTE > > The upgrade to the group limit may impact page loading time in the Fortanix DSM user interface (UI). Therefore, Fortanix recommends keeping the number of groups below 2000. ## 2. Bug Fixes - Resolved the issue encountered when using the `copy` API in conjunction with the `aws_temporary_credentials` API **(JIRA: PROD-8340)**. *For a complete list of new features, enhancements to existing features, other improvements, bug fixes, and known issues refer to the full description of the* [*4.19 DSM on-prem and SaaS release*](/v1/docs/4-19-july-02-2023). ## 3. Installation To download the DSM SGX (on-prem/Azure) and Software (AWS/Azure/VMWare) packages, click [here](/v1/docs/dsm-installation-packages-on-prem).