Windows 10 build 19536

Windows 10 build 19536 is the first known build of Windows 10 20H2 compiled on 2019-12-11 and released 2019-12-16 to the Fast Ring, breaking the Slow and Fast ring alignment.

Changes

 * Optional Drivers now available through Windows Update as part of optional update improvements.
 * Updated Korean IME re-released.
 * Family group setup in the OOBE.
 * Your Phone App has been updated
 * Phone screen feature supports pen input
 * Bug fixes and general improvements