Discover why AlmaLinux OS 10.1 “Heliotrope Lion” is making waves in the enterprise Linux world. Released November 24, 2025, this free RHEL-compatible distribution brings game-changing features including Btrfs filesystem support, extended hardware compatibility for 150+ legacy devices, x86-64-v2 architecture builds, and post-quantum cryptography. Our comprehensive AlmaLinux OS 10.1 review explores whether it’s truly the best free enterprise Linux for 2025.