This is great news for individuals and enterprises that develop mobile and desktop apps for the Apple ecosystem. This could make CI/CD for iOS and macOS apps much more convenient. And yes, it’s available in the Singapore region today.
Also,
Apple M1 Chip – EC2 Mac instances with the Apple M1 chip are already in the works, and planned for 2021.
You can start using Mac instances in the US East (N. Virginia), US East (Ohio), US West (Oregon), Europe (Ireland), and Asia Pacific (Singapore) Regions today, and check out this video for more information!