This post was originally published on Info World
With the feature in development, you’ll still need to set project file flags to enable support in ahead-of-time (AOT) compiled applications. This entails adding a couple of lines to the project file and then recompiling the application. For now, it’s a good idea to build and test with AOT runtime async and then recompiling when you are ready to try out the new feature.
Changes to hardware support
One issue to note is that the updated .NET runtime in .NET 11 has new hardware requirements, and older hardware may not be compatible. It needs modern instruction sets. Arm64 now requires armv8.0-a with LSE (armv8.2-a with RCPC on Windows and M1 on macOS), and x64 on Windows and Linux needs x86-64-v3.
This is where you might find some breaking changes, as older hardware will now give an error message and code will not run. This shouldn’t be an issue for most modern PCs, devices, and servers, as these requirements align with .NET’s OS support, rather than supporting older hardware that’s becoming increasingly rare. However, if you’re running .NET on hardware that’s losing support, you will need to upgrade or stick with older code for another year or two.
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