[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
Imposter	nuget	patch	1.0.8 → 1.0.9
MSTest	nuget	patch	4.5.1 → 4.5.2
MSTest.TestAdapter	nuget	patch	4.5.1 → 4.5.2
MSTest.TestFramework	nuget	patch	4.5.1 → 4.5.2
Microsoft.Testing.Extensions.CrashDump	nuget	patch	2.5.1 → 2.5.2
Microsoft.Testing.Extensions.HangDump	nuget	patch	2.5.1 → 2.5.2
Microsoft.Testing.Extensions.HtmlReport	nuget	patch	2.5.1 → 2.5.2
Microsoft.Testing.Extensions.Telemetry	nuget	patch	2.5.1 → 2.5.2
Microsoft.Testing.Extensions.TrxReport	nuget	patch	2.5.1 → 2.5.2
Microsoft.Testing.Extensions.TrxReport.Abstractions	nuget	patch	2.5.1 → 2.5.2
Microsoft.Testing.Platform	nuget	patch	2.5.1 → 2.5.2
Microsoft.Testing.Platform.MSBuild	nuget	patch	2.5.1 → 2.5.2

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Release Notes

themidnightgospel/Imposter (Imposter)

v1.0.9: Faster registration edits and lighter Throws setups

Compare Source

Performance

• Removing or inserting a registration no longer rebuilds the imposters after it (#​440, closes #​408). The driver compares registered targets by position, so removing or inserting one [assembly: GenerateImposter(...)] regenerated every imposter registered after it, even though none of them changed. The generator now reuses a source when its target and C# version haven't changed. In a project with 20 targets of 30 members each, removing the first registration now takes 4 ms in the generator, down from 477 ms. The generated code is unchanged.

• Method Throws setups allocate one closure instead of two (#​441, closes #​437). The setup step wrapped the builder's throwing lambda in a second one. It now uses that lambda directly. Per setup:

  Setup	1.0.8	1.0.9
  Throws(exception)	472 B	384 B
  Throws(_ => exception)	472 B	384 B
  Throws<InvalidOperationException>()	384 B	296 B

  Throws<TException>() captures nothing, so its setup no longer allocates any closure.

microsoft/testfx (MSTest)

v4.5.2

See the release notes here.

See the Microsoft.Testing.Platform 2.5.2 release notes here.

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Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-27T17:37:20.439616Z	13322b2	PR opened

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• Directory.Packages.props

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Walkthrough

The central package declarations update Microsoft Testing Platform packages and extensions, Imposter, and MSTest packages. The CloudShop test project updates its Microsoft Testing Platform MSBuild package reference.

Changes: Testing package versions

Layer / File(s)	Summary
Update testing package versions Directory.Packages.props, examples/CloudShop/CloudShop.Tests/CloudShop.Tests.csproj	The central declarations update Microsoft Testing Platform packages and extensions from 2.5.1 to 2.5.2, Imposter from 1.0.8 to 1.0.9, and MSTest packages from 4.5.1 to 4.5.2. The CloudShop test project updates Microsoft.Testing.Platform.MSBuild from 2.5.1 to 2.5.2.

Priority: Low

Estimated code review effort: 1 (Trivial) | ~5 minutes

Change: Other

Possibly related issues

• thomhurst/TUnit issue 403: The issue identifies this pull request as the update for MSTest and Microsoft.Testing.Platform packages.

Suggested reviewers: quattordici

Merge Risk: Minimal · up to 3a1aa

The dependency updates are internally aligned and present no identified merge-blocking risk.

Pre-merge checks: 4

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title accurately identifies the changes as non-major dependency updates. It is concise and matches the package version updates in the pull request.
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

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_{A rabbit checks the package row,
New testing versions now appear.
Imposter hops from eight to nine,
MSTest follows, one step ahead,
CloudShop tests align.}

_{Comment @coderabbitai help to get the list of available commands.}

[greptile-apps]

Confidence Score: 5/5

[Medium impact] The PR appears safe to merge; no actionable issues were found.

Summary

Updates test dependencies and keeps the CloudShop example aligned.

• TUnit test projects now use newer test-platform and MSTest packages.

_{Reviews (2) · Last reviewed commit: "chore(deps): update all non-major depend..." · Reviewed by Greptile}