Windows 10 build 18309.1000 (rs prerelease)

Windows 10 build 18309 is the seventeenth Insider Preview build of Windows 10 May 2019 Update. This build was released to Windows Insiders in the Fast Ring on 3 January 2019.

Windows Hello Improvements

 * Streamlined Windows Hello PIN reset experience now available on all Windows editions.
 * Password-less phone number account are now available on all editions.

Narrator Improvements

 * Downloading additional voices without downloading full language packs is now possible.
 * The main actions on Narrator Home, such as QuickStart and Settings, are now buttons and not Listview items.
 * Added Narrator + 5 twice Narrator command to render current character phonetics.
 * Other improvements

Other

 * There are now 11 more mouse cursor sizes available.