Chapter 1. Preface

This document provides an overview of differences between two major versions of Red Hat Enterprise Linux: RHEL 9 and RHEL 10. It provides a list of changes relevant for evaluating an upgrade to RHEL 10 rather than an exhaustive list of all alterations.

For details regarding RHEL 10 usage, see the RHEL 10 product documentation.

For guidance regarding an in-place upgrade from RHEL 9 to RHEL 10, see Upgrading from RHEL 9 to RHEL 10.

For a package listing for RHEL 10, including licenses and application compatibility levels, see Package manifest.

For information about major differences between RHEL 8 and RHEL 9, see Considerations in adopting RHEL 9.

Capabilities and limits of Red Hat Enterprise Linux 10 as compared to other versions of the system are available in the Knowledgebase article Red Hat Enterprise Linux technology capabilities and limits.

Information regarding the Red Hat Enterprise Linux life cycle is provided in the Red Hat Enterprise Linux Life Cycle document.

Application compatibility levels are explained in the Red Hat Enterprise Linux 10: Application Compatibility Guide document.