Microsoft has released cumulative update KB4499544 for Windows 10 (version 1903), which introduces improvements to the update process on the Early Access, Late Access, and Release Preview channels of Window Insider.
KB4499544 is designed for Windows 10 Insider Preview version 1903 based on x86, x64 (amd64), ARM64 and Windows Server 2019 (1903) processors for x64 based systems.
As noted in the corresponding Microsoft Knowledge Base article, compatibility update KB4499544 includes the following improvements:
This update introduces improvements to facilitate the update process on the Early Access, Late Access, and Release Preview Preliminary Evaluation Channels for Windows 10, version 1903 channels. Update KB4499544 replaces the previously released KB4497092.
Installation via Windows Update
Cumulative update KB4499544 is installed automatically through Windows Update. To check, go to Settings > Update and Security and click Check for Updates. To complete the installation does not require restarting the computer.
To view a complete list of installed updates for your system, go to View update log > Delete updates.