Windows 10 1909 reached the end of service on May 11, 2021 for Home, Pro, Pro for Workstations, and IoT Core editions. For Enterprise and Education editions, support ended on May 10, 2022 .

, this version is prized for its stability and specific under-the-hood optimizations. Computerworld Deep Technical Features Windows 10 1909 Features: Complete List of Improvements

While it was a "scoped" update focused on stability, it introduced several quality-of-life improvements: Taskbar Calendar Integration