https://www.bleepingcomputer.com/news/microsoft/windows-10-cumulative-updates-kb4458469-and-kb4457136-released/

Today is not Patch Tuesday but Microsoft is rolling out a new batch of cumulative updates for Windows 10. The software giant is rolling out cumulative updates with a long list of fixes for Windows 10 April 2018 Update (version 1803) and Windows 10 Fall Creators Update (version 1709).

Windows 10 cumulative updates are rolling out to compatible devices and they include non-security improvements and general bug fixes aimed at enterprises. To check whether your PC is up-to-date, open Settings > Update & Security > Windows Update > and tap on check for updates.