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This update was released on July 26, 2019, and some devices have been installed automatically. Earlier this month, Microsoft also pushed the same update to Release Preview Ring testers.

The log shows that Windows 10 KB4508433 solves an annoying bug, which causes some Windows 10 updates to require two restarts and scans, otherwise it will be difficult to complete the installation smoothly.

In addition, Microsoft introduced a new feature called "Reserved Storage" in Windows 10 May 2019 (Version 1903) to ensure that updates can be easily installed in the future.

It should be noted that although this measure can improve the upgrade experience, it also takes up at least 7GB of available storage space (for updating and optional files).

It is reported that this service stack update fixes the problem that disk space will be reserved and can not be released when the language package and feature on Demand installation fail.

If you happen to encounter this problem, you can clean up and release temporary storage that is stubbornly occupied by manually enabling Storage Sense.

Microsoft also announced that it had fixed another bug, that caused the Windows 10 update installation to fail, which said:

If the user clicks on the check update when installing or uninstalling Windows 10 updates, language packages or on-demand feature packages (FODs), this problem may occur.

In terms of compatibility, Microsoft released KB4511712 to improve the installation and recovery experience on Windows 10 1903 (this update can be downloaded and installed automatically).

As for the July update, Microsoft released a new patch for Windows 10 1903 on June 26, which includes a series of improvements.

After installing KB4505903, the compiled version number of the operating system will rise to 18362.267, bringing bug fixes and improvements for Edge, Windows Hello and other functions.

Finally, the company fixed bugs in important functions such as the Start Menu to ensure that the Start Menu of newly logged-in users works as expected.

In addition, when you install Chromium Edge on your PC, Build 18362.267 will also hide Microsoft Edge browser in UWP version by default.