Both versions can install the same cumulative update, so changelog is exactly the same for both versions of Windows 10.
“The Windows 10 1903 and 1909 have the same operating system kernel and an identical set of system files. So the new possibilities in Windows 10 of the 1909 edition were included in the recent monthly quality update for Windows 10, of the 1903 version (released on October 8, 2019) reports Microsoft.
The cumulative update for Windows 10 of version 1903 and 1909 is KB4556799 and changes the build number of the operating systems:
Windows 10 version 1903: build number 18362.836
Windows 10 version 1909: build number 18363.836
What is important to know is that the cumulative updates that appear in Patch Tuesday have security fixes that are supposed to fix vulnerabilities in the operating system.
So many Windows 10 applications and components have updates, such as WSL, Microsoft Edge, Windows Media, Windows Update Stack and more.
There are security enhancements for Microsoft Office as well. Microsoft says there are updates for storing and managing files, as well as verifying usernames and passwords.
Summary of changes:
- Updates to improve security when using Internet Explorer and Microsoft Edge.
- Updates to improve security when using external devices such as mouse, keyboard or stylus.
- Updates to verify usernames and passwords.
- Security enhancements for Microsoft Xbox.
- Security update updates when Windows is running basic features.
- Updates for saving and managing files.
- Updates to improve security when using Microsoft Office products.
Regarding the standard fixes that Patch Tuesday brings, Microsoft states that it updates:
Internet Explorer, Microsoft Scripting Engine, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Input and Composition, Windows Media, Windows Shell, Microsoft Xbox, Microsoft Edge, Windows Fundamentals, Windows Cryptography, Windows Authentication, Windows Kernel, Windows Linux, Windows Update Stack, Windows Network Security and Containers, Windows Active Directory, Windows Storage and Filesystems, and the Microsoft JET Database Engine. ”
As we all know now, the installation of cumulative updates in Windows 10 is a big challenge, especially for those with older hardware. Quite often these updates present problems. For this reason it will be good before you start with the installation to make a good backup on your system.
The cumulative update of Windows 10 KB4556799 is available through Windows Update and from Microsoft Update Catalog for manual installation. It is of course also available through Windows Server Update Services (WSUS) for distribution to companies and organizations.