To Microsoft, ARM64 is a hobby. Windows 10 ARM64 laptops went on sale in February 2018, but Microsoft didn't release an official toolchain with ARM64 support (

To Microsoft, ARM64 is a hobby. Windows 10 ARM64 laptops went on sale in February 2018, but Microsoft didn't release an official toolchain with ARM64 support (VS 15.9) until November 2018! Even an "early preview" didn't come out until May 2018. Combine that with the lack of 64-bit Intel emulation support (which is coming out...any day now), and it's clear this is just a hobby for Microsoft. And Qualcomm too, since they have nothing to offer besides phone SoCs that are barely competitive even in phones. Oh, you want a desktop machine to develop on, or use for CI or tests? Sorry, only laptops.