April 9, 2019—KB4493509 (OS Build 17763.437)

April 9, 2019—KB4493509 OS Build 17763.437 Notes: This release also contains updates for Microsoft HoloLens OS Build 17763.438 released April 15, 2019. Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability on Microsoft HoloLens that have not...