Microsoft unveils Azure Linux 4.0, first Fedora‑based server distro
At Open Source Summit NA 2026, Microsoft announced the public preview of Azure Linux 4.0, a Fedora-derived, hardened general‑purpose Linux distribution optimized for Azure VMs, alongside GA of Azure Container Linux. The distro offers a reduced attack surface, supply‑chain transparency, and Azure‑native kernel features for cloud‑native and AI workloads.