AWS released a newer version of Elastic Fabric Adapter (EFA) Installer (v1.21). This version introduces support for the Rocky Linux v9.0 and OpenSUSE Leap 15.4 operating systems. Support for Rocky Linux 9.0 is being requested by customers who deploy High Performance Computing applications as well as customers of AWS Elemental. Starting with EFA Installer v1.21, OpenSUSE Leap 15.4 will also be supported.