[release/v7.6.7] Change Windows CI to stop using PowerShell 5.1 - #28081
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Aditya Patwardhan (adityapatwardhan) merged 1 commit intoSep 24, 2026
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🔵 Needs a closer look
The change affects Windows CI infrastructure and warrants human validation.
Review effort: Lite
Findings: None
What changed in this PR
Updates Windows CI bootstrap execution from Windows PowerShell 5.1 to PowerShell 7 (pwsh).
Changes:
- Switches the Windows bootstrap step to
pwsh. - Removes obsolete Windows PowerShell documentation.
| File | Summary |
|---|---|
tools/WindowsCI.psm1 |
Removes outdated shell requirement documentation. |
.github/actions/test/windows/action.yml |
Uses pwsh for bootstrap execution. |
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Justin Chung (jshigetomi)
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Sep 24, 2026
Aditya Patwardhan (adityapatwardhan)
merged commit Sep 24, 2026
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PowerShell:release/v7.6.7
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Aditya Patwardhan (adityapatwardhan)
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September 24, 2026 17:13
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Backport of #27940 to release/v7.6.7
Triggered by Aditya Patwardhan (@adityapatwardhan) on behalf of Dongbo Wang (@daxian-dbw)
Original CL Label: CL-BuildPackaging
/cc @PowerShell/powershell-maintainers
Impact
REQUIRED: Choose either Tooling Impact or Customer Impact (or both). At least one checkbox must be selected.
Tooling Impact
Required CI tooling change so Windows test bootstrap runs with
pwshrather than Windows PowerShell 5.1.Customer Impact
Regression
REQUIRED: Check exactly one box.
This is not a regression.
Testing
The cherry-picked diff was verified to exactly match the original two-file change.
git diff --check upstream/release/v7.6.7..HEADpassed, andtools/WindowsCI.psm1passed PowerShell parser validation with no conflict markers. The Windows workflow behavior will be validated by PR CI.Risk
REQUIRED: Check exactly one box.
High risk because this changes the Windows CI bootstrap shell from Windows PowerShell to PowerShell and therefore affects build/test infrastructure. The change is narrowly scoped to one shell selector plus removal of an obsolete comment, cherry-picked without conflicts, and has already been used on master and backported to the 7.4 and 7.5 release lines.