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Reorient Linux support docs to portability-first model #10140

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22 changes: 11 additions & 11 deletions release-notes/10.0/supported-os.md
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Expand Up @@ -40,6 +40,16 @@ Notes:

## Linux

Microsoft-provided [Portable Linux builds](../../linux.md) define minimum compatibility primarily via libc version:

| Libc | Version | Architectures | Source |
| ----- | ------- | ------------- | ------------ |
| glibc | 2.27 | Arm64, x64 | Ubuntu 18.04 |
| glibc | 2.35 | Arm32 | Ubuntu 22.04 |
| musl | 1.2.3 | Arm32, Arm64, x64 | Alpine 3.17 |

The following are examples of distributions that align with the above libc compatibility levels (non-exhaustive):

| OS | Versions | Architectures | Lifecycle |
| ------------------- | -------- | ----------------- | --------------- |
| [Alpine][6] | 3.22 | Arm32, Arm64, x64 | [Lifecycle][7] |
Expand All @@ -49,7 +59,7 @@ Notes:
| [Fedora][13] | 42 | Arm32, Arm64, x64 | [Lifecycle][14] |
| [openSUSE Leap][15] | 16.0, 15.6 | Arm64, x64 | [Lifecycle][16] |
| [Red Hat Enterprise Linux][17] | 10, 9 | Arm64, ppc64le, s390x, x64 | [Lifecycle][18] |
| [SUSE Enterprise Linux][19] | 16.0, 15.7, 15.6 | Arm64, x64 | [Lifecycle][20] |
| [SUSE Linux Enterprise][19] | 16.0, 15.7, 15.6 | Arm64, x64 | [Lifecycle][20] |
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@am11 am11 Oct 29, 2025

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Product name: https://www.suse.com/products/server/

| [Ubuntu][21] | 25.10, 24.04, 22.04 | Arm32, Arm64, x64 | [Lifecycle][22] |

Notes:
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[26]: https://support.microsoft.com/help/13853/windows-lifecycle-fact-sheet
[27]: https://www.microsoft.com/windows-server

## Linux compatibility

Microsoft-provided [portable Linux builds](../../linux.md) define minimum compatibility primarily via libc version.

| Libc | Version | Architectures | Source |
| ----- | ------- | ------------- | ------------ |
| glibc | 2.27 | Arm64, x64 | Ubuntu 18.04 |
| glibc | 2.35 | Arm32 | Ubuntu 22.04 |
| musl | 1.2.3 | Arm32, Arm64, x64 | Alpine 3.17 |

## Notes

* The [QEMU](https://www.qemu.org/) emulator is not supported to run .NET apps. QEMU is used, for example, to emulate Arm64 containers on x64, and vice versa.
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