Drop ARM32 support on the Windows platform

For my deliberate consideration, The open source projects created or maintained by myself will drop the ARM32 support on the Windows platform. Here are the reasons:

  • The latest version of ARM32 version for Windows desktop is Redstone 2 Insider Build 15035. I know Windows RT 8.1 and Windows 10 IoT Core aren’t in the stage of end of support, but most of daily users are drop their devices (Windows RT 8.x tablets) or have a better solution (Windows 10 IoT Core users on Raspberry Pi devices should migrate to Linux or ARM64 version for Windows 10 desktop).
  • Future ARM processors are deprecating ARM32 ISA support, and Apple Silicon M1 had dropped the ARM32 support at all. So we can’t run ARM32 version of Windows desktop applications on these devices.
  • I’m considering the possibility of using Rust, .NET, and Project Reunion to write a part of the implementation of some projects in the future, and these infrastructures will not reconsider support for ARM32 support on Windows.
  • Reduce the size of release package and make the continuous integration faster.

Kenji Mouri


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