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Add new ARM64 feature arguments to documentation - #5950

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Diana Richards (v-dirichards) merged 1 commit into
MicrosoftDocs:mainfrom
vitknobloch:patch-2
Aug 19, 2026
Merged

Add new ARM64 feature arguments to documentation#5950
Diana Richards (v-dirichards) merged 1 commit into
MicrosoftDocs:mainfrom
vitknobloch:patch-2

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@vitknobloch

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Add new extensions cssc and faminmax to the /feature flag arguments documentation

Add new extensions `cssc` and `faminmax` to the `/feature` flag arguments documentation
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Vít Knobloch (@vitknobloch) : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

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Vít Knobloch (@vitknobloch) : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

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Learn Build status updates of commit a8a35ef:

✅ Validation status: passed

File Status Preview URL Details
docs/build/reference/feature-arm64.md ✅Succeeded

For more details, please refer to the build report.

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Tyler Whitney (@TylerMSFT)

Can you review the proposed changes?

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
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@prmerger-automator prmerger-automator Bot added the aq-pr-triaged Tracking label for the PR review team label Aug 7, 2026
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#sign-off

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Pull request overview

Adds documentation coverage for newly supported ARM64 /feature arguments so developers can discover and use the new architecture extensions via MSVC compiler flags.

Changes:

  • Documented the new /feature arguments cssc (FEAT_CSSC) and faminmax (FEAT_FAMINMAX) in the ARM64 feature table.

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Comment thread docs/build/reference/feature-arm64.md
@v-dirichards
Diana Richards (v-dirichards) merged commit 15ff243 into MicrosoftDocs:main Aug 19, 2026
2 checks passed
learn-build-service-prod Bot added a commit that referenced this pull request Aug 20, 2026
…//github.com/MicrosoftDocs/cpp-docs (branch main) (#6788)

* Update Vectorized STL algorithm documentation to reflect the current stae (#5937)

Since the last update:
 * ARM64 and ARM64EC vectorization was added. Mention of x64 and x86 is removed, as vectorization is now supported on any target, except deprecated `/clr:pure` and `/clr:safe` modes.
 * `includes` is now manually vectorized too
 * `replace_copy` is now manually vectorized too

Also moved `find_end` to `search` / `search_n` group, where it fits better.

* Update header-files-cpp.md (#5938)

Clarify intent of section

* Update documentation on accessing System.String characters (#5940)

* Update documentation on accessing System.String characters

Added important note about treating interior pointers as const and linked to unsafe code best practices.

* Update docs/dotnet/how-to-access-characters-in-a-system-string.md

Co-authored-by: Jan Kotas <jkotas@microsoft.com>

* Apply suggestions from code review

Co-authored-by: Aaron R Robinson <arobins@microsoft.com>

* Apply suggestions from code review

Co-authored-by: Aaron R Robinson <arobins@microsoft.com>

---------

Co-authored-by: Jan Kotas <jkotas@microsoft.com>

* Clarify version prefix for Visual Studio Command Prompt (#5946)

Updated instructions for starting Visual Studio Command Prompt to reflect changes in version specification.

* Add new ARM64 feature arguments to documentation (#5950)

Add new extensions `cssc` and `faminmax` to the `/feature` flag arguments documentation

* atexit: Clarify DLL behavior is the same as _onexit (#5952)

* atexit: Clarify DLL behavior is the same as _onexit

- Document that atexit called from within a DLL will register the
  routine to run when the DLL is unloaded.

atexit is a wrapper around _onexit which already documents this
behavior.

Ref: curl/curl#22383 (comment)

Reported-by: Michał Petryka

Closes #xxxx

* Revise atexit documentation for accuracy

Update the date and clarify DLL behavior for atexit.

---------

Co-authored-by: Tyler Whitney <TylerMSFT@users.noreply.github.com>

---------

Co-authored-by: learn-build-service-prod[bot] <113403604+learn-build-service-prod[bot]@users.noreply.github.com>
Co-authored-by: Learn Build Service GitHub App <Learn Build Service LearnBuild@microsoft.com>
Co-authored-by: Alex Guteniev <gutenev@gmail.com>
Co-authored-by: veganaiZe <7102064+veganaiZe@users.noreply.github.com>
Co-authored-by: Aaron R Robinson <arobins@microsoft.com>
Co-authored-by: Jan Kotas <jkotas@microsoft.com>
Co-authored-by: Eric Brumer <ericbr@microsoft.com>
Co-authored-by: Vít Knobloch <67308900+vitknobloch@users.noreply.github.com>
Co-authored-by: Jay Satiro <raysatiro@yahoo.com>
Co-authored-by: Tyler Whitney <TylerMSFT@users.noreply.github.com>
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5 participants