Level 32
Here is what is fixed and improved in the new update:
  • Fixed a cursor display issue when moving the cursor over the keyboard magnifier.
  • Fixed a redirects issue in Edge and Internet Explorer 11.
  • Fixed an issue with Scalable Vector Graphics marker display.
  • Fixed a programmatic scrolling issue in Internet Explorer 11.

  • Fixed a display issue in Internet Explorer caused "under certain conditions" on sites with "many elements and multiple nesting levels".
  • Fixed Error 1309 when installing or uninstalling certain msi or msp files on a virtual drive.
  • Addressed an issue that caused Night Light, Color Management profiles, or gamma correct to stop working after shutdowns.
  • Fixed an issue that showed grayscale only during Windows Hello enrollment.
  • Fixed an issue that caused playback of iOS media to fail under certain circumstances.
  • Fixed a taskbar and desktop flickering issue in Windows Server 2019 Terminal Server.
  • Fixed a policy issue that allowed users to set backgrounds even though a policy to prevent that was set.
  • Fixed a connection issue when using fitness software on Android devices with Your Phone installed.
  • Fixed a Windows Event Log issue that prevented the service from processing notifications that the log is full.
  • Fixed an Office 365 opening issue when deployed as App-V packages.
  • Fixed an issue that prevented Container Hosts from receiving addresses from DHCP servers.
  • Addressed an issue that prevented Windows 7 to 10 installations from completing when certain antivirus applications were installed on the system.
  • Reinforces the Certificate Revocation List on Internet Key Exchange version 2 machines for certificate-based virtual private network connections.
  • Fixed an issue that triggered Group Policy updates even though there were no changes.
  • Fixed the Preboot Execution Environment startup issue.
  • Fixed the Custom Views issue in the Event Viewer.
  • Fixed a WinHTTP registrations issue that delayed the startup of the operating system. The issue occurs on devices with proxy auto-config files. Microsoft notes that admins need to make the following changes to the Windows Registry to stop the incremental growth of the Registry:
    • Path: HKEY_CURRENTUSER\"Software\Classes\Localettings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings"
    • Setting: CleanupLeakedContainerRegistrations
    • Type: DWORD
    • Value: 1 (1 removes preexisting registrations, 0 retains them)
Microsoft lists just one known issue for KB4501375. The sandbox issue is still a thing in the new version..


Level 36
Microsoft has announced a bug in the Windows 10 May 2019 Update which could hamper the operation of virtual private networks (VPNs). The issue affects the Remote Access Connection Manager service, which is what Windows uses to manage connections to a VPN.