https://wccftech.com/patch-tuesday-is-here-and-so-are-new-windows-10-cumulative-updates/

February Patch Tuesday brings Windows 10 cumulative updates to several versions of the operating system, including Windows 10 October 2018 Update (version 1809) and April 2018 Update (version 1803). Today’s patches bring fixes to several issues, along with the routine performance improvements. There are also two known issues that are yet to be addressed.

Here’s the complete changelog of Windows 10 1809 Build 17763.316 (KB4487044):