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doc: toolchain removal Windows 10 SDK#61973

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MikeMcC399 wants to merge 1 commit intonodejs:mainfrom
MikeMcC399:windows-10-sdk-removal
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doc: toolchain removal Windows 10 SDK#61973
MikeMcC399 wants to merge 1 commit intonodejs:mainfrom
MikeMcC399:windows-10-sdk-removal

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@MikeMcC399
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@MikeMcC399 MikeMcC399 commented Feb 24, 2026

Refs: #61864

semver-major PRs that contain breaking changes and should be released in the next major version. PR. Not for backporting!

Situation

The Supported toolchains section of the BUILDING.md document specifies:

Operating System Compiler Versions
Windows Visual Studio 2022 or 2026 with the Windows 10 or 11 SDK on a 64-bit host

and this includes the Windows 10 SDK (10.0.19041.0) which is out of support since 2025-10-14.

  • Visual Studio 2022 (17.14.27) also shows Windows 10 SDK as out of support
  • Visual Studio 2026 (18.3.1) no longer offers Windows 10 SDK for installation

Change

Update the Supported toolchains section of the BUILDING.md document to remove the Windows 10 SDK:

Operating System Compiler Versions
Windows Visual Studio 2022 or 2026 with the Windows 11 SDK on a 64-bit host

Impact should be minimal, since the Windows 11 SDK "can target Windows 11, version 25H2, in addition to previous Windows releases." See also Windows SDK System requirements.

The is however a semver-major change that applies only to the main branch and may not be backported to existing release lines. It is intended for use in the upcoming Node.js 26.x release only.

(PR #61864 is the non-semver-major PR to flow into v25.x and be backported to v24.x.)

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Review requested:

  • @nodejs/build
  • @nodejs/tsc

@nodejs-github-bot nodejs-github-bot added build Issues and PRs related to build files or the CI. doc Issues and PRs related to the documentations. labels Feb 24, 2026
@MikeMcC399 MikeMcC399 force-pushed the windows-10-sdk-removal branch from 371881e to 0814a5b Compare February 24, 2026 19:49
@MikeMcC399 MikeMcC399 changed the title doc: Windows 10 SDK toolchain removal doc: toolchain removal Windows 10 SDK Feb 24, 2026
@MikeMcC399 MikeMcC399 marked this pull request as ready for review February 24, 2026 19:50
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Please add the semver-major PRs that contain breaking changes and should be released in the next major version. label!

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