OpenAtom openKylin (hereafter referred to as "openKylin") version 3.0 is officially released. In this version upgrade, openKylin has upgraded the system kernel across generations to Linux 7.0, completing the comprehensive iteration of more than 180 core components, building an open foundation for intelligent agents, enabling AI to run through the entire system chain, innovating multimodal interaction such as air gestures, voice input and screen reading, scenario coverage extends from smart desktops to mobile devices, servers and other full scenarios. openKylin 3.0 upgrades the system kernel directly from Linux 6.6 to Linux 7.0. GCC 15, glibc 2.42, LLVM 22, JDK 25, with more than 180 core components comprehensively upgraded around the new kernel. Core base libraries and compilation toolchains are aligned with the latest versions of international upstream communities. This version integrates the three NIST post-quantum cryptography standards (ML-KEM, ML-DSA, SLH-DSA), enabling system-level invocation through the openHiTLS open-source cryptographic suite....