Microsoft has released the optional KB5001396 preview cumulative update for Windows 10 1909 with numerous fixes that increase performance in the operating system.

Microsoft is warning Windows 10 users to upgrade the operating system after releasing the final Patch Tuesday security updates to versions 20H2 and 1909.

Microsoft has released its monthly Patch Tuesday updates for all supported versions of Windows. Windows 10 version 1909 is getting its last update for regular users, as support ends this month.

Certain editions of Windows 10 versions 1909, 1809 and 1803 reached end of life this week.