Windows 8 build 8305 (fbl grfx dev1)

Windows 8 build 8305 (fbl_grfx_dev1) is a build of Windows 8, which was uploaded to BetaArchive on 31 December 2019.

Changes

 * Added new SKUs including "Professional", "ProfessionalWMC", "Core", "Core Single Language" and "Core Country Specific". All of these SKUs have the brand new Microsoft Confidential banner in winver, except for Prerelease (Consumer Preview).