Red Hat released RHEL 10.3 and RHEL 9.9 on November 11, 2026, introducing sealed images, AI-augmented security features, and enhanced post-quantum cryptography. The updates include a production-ready MCP server for diagnostics and a self-managed terminal assistant designed for secure environments. Both releases offer improved developer toolchains and validated upgrade paths, allowing users to transition smoothly between versions. These point releases are available through the Red Hat Customer Portal, with a 60-day evaluation edition for non-subscribers
Red Hat Enterprise Linux 10.3 and 9.9 Release: Sealed Images, AI Security, and Quantum-Ready Crypto
Red Hat released RHEL 10.3 and RHEL 9.9 on November 11, 2026, delivering point updates to both supported mainlines in lockstep. The headline additions include sealed images for image mode now generally available in RHEL 10.3, plus an MCP server for RHEL that moved to general availability for production diagnostics. The releases also expand post-quantum cryptography around CNSA 2.0 compliance and refresh developer toolchains like GCC 16.2, LLVM 22.1.8, and Rust 1.97 across both lines. Available through the Red Hat Customer Portal for active subscribers, both ships come with validated Leapp upgrade paths and a 60-day evaluation edition for non-subscribers.
