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Update x64 emulation plan - #249

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x64-update
Oct 14, 2021
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Comment thread accepted/2021/x64-emulation-on-arm64/x64-emulation.md Outdated
Comment thread accepted/2021/x64-emulation-on-arm64/x64-emulation.md Outdated
Comment thread accepted/2021/x64-emulation-on-arm64/x64-emulation.md
richlander and others added 3 commits September 24, 2021 22:04
Co-authored-by: Eric StJohn <ericstj@microsoft.com>
Co-authored-by: Yaakov <yaakov-h@users.noreply.github.com>
- .NET 6+ x64 and Arm64 runtimes
- .NET 6+ x64 and Arm64 SDKs

Note: Pre-.NET 6 x64 SDKS will be installable on macOS and Windows x64 but are not supported. They have not been updated in terms of this plan and will break Arm64 installs. If they are installed on a machine, all .NET versions will need to be uninstalled/removed and you'll need to start again with installing supported .NET SDK versions.

@ericstj ericstj Sep 27, 2021 •

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You mentioned x64 SDKs. What about the .NET 5.0 ARM64 SDK? Is that OK for folks to use? Sorry to nit-pick here, but it makes a real difference in what work we do in servicing. Also if we do decide not to support .NET 5 ARM64 SDK at all we should probably stop publishing it since it won't be supported anywhere.

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Not a nit-pick. You are right.

Let's cut this one in the middle, for .NET 5. Proposal:

  • Support .NET 5 x64 runtimes.
  • Do not support .NET 5 SDKs (either x64 or Arm64).

That enables all scenarios and limits our cost. Good?

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I think it makes sense to not support 5.0 ARM64 SDK Side-by-Side with 6.0 ARM64 SDK. But I think we should still publish at least the archive version (zip), so that it can be installed via dotnet-install.ps1 or similar.

- .NET 6+ x64 and Arm64 runtimes
- .NET 6+ x64 and Arm64 SDKs

Note: Pre-.NET 6 x64 SDKS will be installable on macOS and Windows x64 but are not supported. They have not been updated in terms of this plan and will break Arm64 installs. If they are installed on a machine, all .NET versions will need to be uninstalled/removed and you'll need to start again with installing supported .NET SDK versions.

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I think it makes sense to not support 5.0 ARM64 SDK Side-by-Side with 6.0 ARM64 SDK. But I think we should still publish at least the archive version (zip), so that it can be installed via dotnet-install.ps1 or similar.

@richlander
richlander merged commit 8a35a56 into main Oct 14, 2021
@richlander
richlander deleted the x64-update branch October 14, 2021 01:23
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4 participants