Here’s what got fixed and is still broken in Windows 10 build 21277 December 10, 2020 by admin Tweet Microsoft today released Windows 10 Insider Preview build 21277, with one of the big features being x64 emulation for ARM PCs. It also comes with a bunch of fixes and known issues. Read more… Neowin Related Posts:Windows 11 build 22000.466 out with a bunch of fixes…Microsoft claims it has fixed File Explorer…Windows 11 Release Preview build 22621.607…Windows Server 2025 Insider Preview build 26236…Windows 11 Insider Dev Channel build 23620 fixes…