Windows 10 2019 Update Version 1903 Review

Windows 10 version 1903, May 2019 Update, official with the 10 best new features, including Light mode, Windows Sandbox, Reserved Storage, Recommended Troubleshooting, automatic Active hours, disable Windows updates for Windows 10 Home users, quick access to symbols, Windows Search, mouse pointer color and sizes, quick brightness control.
** Important: Windows 10 version 1903 (May 2019 Update) is expected to release in late May. In this video, I will show 8 best features.

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Deployment
Windows Autopilot
Windows Autopilot is a collection of technologies used to set up and pre-configure new devices, getting them ready for productive use. The following Windows Autopilot features are available in Windows 10, version 1903 and later:

Windows Autopilot for white glove deployment is new in this version of Windows. "White glove" deployment enables partners or IT staff to pre-provision devices so they are fully configured and business ready for your users.
The Intune enrollment status page (ESP) now tracks Intune Management Extensions.
Cortana voiceover and speech recognition during OOBE is disabled by default for all Windows 10 Pro Education, and Enterprise SKUs.
Windows Autopilot is self-updating during OOBE. Starting with the Windows 10, version 1903 Autopilot functional and critical updates will begin downloading automatically during OOBE.
Windows Autopilot will set the diagnostics data level to Full on Windows 10 version 1903 and later during OOBE.

SetupDiag
SetupDiag version 1.4.1 is available.

SetupDiag is a command-line tool that can help diagnose why a Windows 10 update failed. SetupDiag works by searching Windows Setup log files. When searching for log files, SetupDiag uses a set of rules to match known issues. In the current version of SetupDiag, there are 53 rules contained in the rules.xml file, which is extracted when SetupDiag is run. The rules.xml file will be updated as new versions of SetupDiag are made available.

Servicing
Delivery Optimization: Improved Peer Efficiency for enterprises and educational institutions with complex networks is enabled with new policies. This now supports Office 365 ProPlus updates, and Intune content, with System Center Configuration Manager content coming soon!
Automatic Restart Sign-on (ARSO): Windows will automatically logon as the user and lock their device in order to complete the update, ensuring that when the user returns and unlocks the device, the update will be completed.
Windows Update for Business: There will now be a single, common start date for phased deployments (no more SAC-T designation). In addition, there will a new notification and reboot scheduling experience for end-users, the ability to enforce update installation and reboot deadlines, and the ability to provide end-user control over reboots for a specific time period.
Update rollback improvements: You can now automatically recover from startup failures by removing updates if the startup failure was introduced after the installation of the recent driver or quality updates. When a device is unable to start up properly after the recent installation of Quality of driver updates, Windows will now automatically uninstall the updates to get the device back up and running normally.
Pause updates: We have extended the ability to pause updates for both feature and monthly updates. This extension ability is for all editions of Windows 10, including Home. You can pause both feature and monthly updates for up to 35 days (seven days at a time, up to five times). Once the 35-day pause period is reached, you will need to update your device before pausing again.
Improved update notifications: When there’s an update requiring you to restart your device, you’ll see a colored dot on the Power button in the Start menu and on the Windows icon in your taskbar.
Intelligent active hours: To further enhance active hours, users will now have the option to let Windows Update intelligently adjust active hours based on their device-specific usage patterns. You must enable the intelligent active hour's feature for the system to predict device-specific usage patterns.

New Light Theme
One of the most visual new features you will find is a new “Light Theme” that gives Windows a clean and, well, light look and feel.

HOW-TOThe Best New and Notable Features in Windows 10 Version 1903

However, turning on the new theme isn’t exactly where you’d think it is. To enable it, head to Settings - Personalization - Colors and choose “Light” from the dropdown menu under the “Choose your color” option.
Windows Sandbox
Cortana and Search are Separate
Enhanced Search Mode
Pause Updates for Windows 10 Home
Brightness Control from Action Center

How to Enable New Light Theme Feature in Windows 10 1903:

How to enable/disable Reserved Storage on Windows 10 Review: