Windows 10 build 18237

Windows 10 build 18237 is the fifth Insider Preview build of Windows 10 May 2019 Update. This build was released to Windows Insiders that were opted into Skip Ahead on 12 September 2018.

Changes

 * Added the acrylic aspect of the Fluent Design System to the login screen.
 * General changes, improvements, and fixes listed in the official release announcement.

Bugs

 * Narrator sometimes does not read in the Settings app when it is being navigated using the Tab and arrow keys. To fix this issue, turn on Narrator's Scan Mode temporarily, and then turn Scan Mode back off. If this is done, Narrator now correctly reads the content in Settings when you navigate it by using the Tab and arrow keys.
 * There's a chance that the background of Action Center and the toast notifications can lose color, causing it to become transparent with an acrylic effect as a result.