--- title: "[4.27] Patch 3 - September 19, 2024" slug: "4-27-patch-3-september-19-2024" updated: 2026-08-19T06:34:02Z published: 2026-08-19T06:34:02Z canonical: "support.fortanix.com/4-27-patch-3-september-19-2024" --- > ## 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. # [4.27] Patch 3 - September 19, 2024 Fortanix Data Security Manager (DSM) 4.27.2484 release provides an overview of improvements. > [!WARNING] > WARNING > > - You are **REQUIRED** to upgrade Fortanix DSM to version 4.19 or 4.23 before upgrading to version 4.27.2484. If you want to upgrade to 4.27.2484 from an earlier version, please reach out to the Fortanix Support team. > - Downgrade from 4.27.2484 to any version before 4.23 is not supported due to the Kubernetes version upgrade. Please reach out to Fortanix Support for downgrading to version 4.23. > [!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. > - In the 4.27 release, performance will slightly decrease for certain cryptographic operations. Fortanix is investigating this ## 1. Improvements - Fortanix DSM users can now modify the `hmg_redundancy` field in a group after it has been created (**JIRA: PROD-9282**). *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* [*DSM 4.27 release note*](/v1/docs/4-27-april-11-2024). ## 2. Installation To install the DSM Runtime Encryption® SGX (on-prem/Azure) and Software (AWS/Azure/VMWare) packages, [Download Here](/v1/docs/dsm-installation-packages-on-prem).