Microsoft released cumulative updates with non-security improvements and fixes for Windows 10 Versions 1809, 1803 and 1709 today. In addition, cumulative updates were also released for Windows 8.1 and Windows 7:
Windows 10 Version 1809, KB4520062 (https://support.microsoft.com/en-us/help/4520062)
Windows 10 Version 1803, KB4519978 (https://support.microsoft.com/en-us/help/4519978)
Windows 10 Version 1709, KB4520006 (https://support.microsoft.com/en-us/help/4520006)
Windows 8.1, KB4520012 (https://support.microsoft.com/en-us/help/4520012/windows-8-1-kb4520012)
Windows 7, KB4519972 (https://support.microsoft.com/en-gb/help/4519972)
To download and install the update, go to Settings -> Update and Security -> Windows Update and select Check for updates.