[main] Source code updates from nuget/nuget.client

[dotnet-maestro]

Note

This is a codeflow update. It may contain both source code changes from
the source repo
as well as dependency updates. Learn more here.

This pull request brings the following source code changes

From https://github.com/nuget/nuget.client

• Subscription: 45a897cb-d501-451f-9d5c-78aa59632807
• Build: 7.9.0.58 (320268)
• Date Produced: June 25, 2026 8:57:48 PM UTC
• Commit: f603c8f17e96fc54940227ba8576f6b058a6f530
• Commit Diff: b67e16e...f603c8f
• Branch: dev

Diff the source with this PR branch

darc vmr diff --name-only https://github.com/nuget/nuget.client:f603c8f17e96fc54940227ba8576f6b058a6f530..https://github.com/dotnet/dotnet:darc-main-e69dc5ab-46ed-48b3-af54-59b02553e1ad

[dotnet-maestro]

Caution

🚨 Action Required — Conflict detected

A conflict was detected when trying to update this PR with changes from build 319946 of https://github.com/nuget/nuget.client/tree/67d62171fe114955a1e7dad0bf3c05a3a90db870.

The conflicts in the following files need to be manually resolved:

• Directory.Packages.props
  🔍 View file in nuget/nuget.client vs VMR

ℹ️ To resolve the conflicts, please follow these steps:

1. Clone the current repository

   git clone https://github.com/dotnet/dotnet
   cd dotnet

2. Make sure your darc is up-to-date
   (version 1.1.0-beta.26322.2 or higher)

   # Linux / MacOS
   ./eng/common/darc-init.sh
   # or on Windows
   .\eng\common\darc-init.ps1

3. Run from repo's git clone and follow the instructions provided by the command to stage the conflict locally

   darc vmr resolve-conflict --subscription 45a897cb-d501-451f-9d5c-78aa59632807 

   This should apply the build 319946 with sources from 67d6217

4. Resolve the conflicts, commit & push the changes

5. Once pushed, the Codeflow verification check will turn green.
   If not, a new build might have flown into the PR and you might need to run the command above again.

💡 You may consult the FAQ for more information or tag @dotnet/prodconsvcs for assistance.

[dotnet-maestro]

Note

PRs from original repository included in this codeflow update:

• Leverage the new IMcpServerInfoService to detect server availability NuGet/NuGet.Client#7453
• Reduce blocking time in UpdateSolution_QueryDelayBuildAction NuGet/NuGet.Client#7454
• Localized file check-in by OneLocBuild Task: Build definition ID 8117: Build ID 14419580 NuGet/NuGet.Client#7491
• Pin MessagePack package version to fix restore audit warning NuGet/NuGet.Client#7484
• Add nuget-restore-repro-triage Copilot skill NuGet/NuGet.Client#7490
• Add create-pr Copilot skill for NuGet.Client PR workflow NuGet/NuGet.Client#7489
• Remove "please" from error messages NuGet/NuGet.Client#7483
• Stop using consumption NuGet/NuGet.Client#7486
• Remove suppression and Fix trim warnings NuGet/NuGet.Client#7488
• Enable nullable on local repository types in NuGet.Protocol NuGet/NuGet.Client#7492
• Localized file check-in by OneLocBuild Task: Build definition ID 8117: Build ID 14435957 NuGet/NuGet.Client#7496
• Migrate Find-Package and Get-Package E2E tests to unit tests NuGet/NuGet.Client#7467
• Port eng/common --add-source -> --source from #7437 to fix Publish Using Darc NuGet/NuGet.Client#7499
• NuGet.Protocol should not use Newtonsoft.Json when AoT trimmed NuGet/NuGet.Client#7493
• Add MSBuild CLI tests to Apex tests NuGet/NuGet.Client#7494

💡 You may consult the FAQ for more information or tag @dotnet/prodconsvcs for assistance.

[dotnet-maestro]

Caution

🚨 Action Required — Conflict detected

A conflict was detected when trying to update this PR with changes from build 320070 of https://github.com/nuget/nuget.client/tree/9ce79e9b9daef742920235c2ea89eb2cbd5e0afa.

The conflicts in the following files need to be manually resolved:

• Directory.Packages.props
  🔍 View file in nuget/nuget.client vs VMR

ℹ️ To resolve the conflicts, please follow these steps:

1. Clone the current repository

   git clone https://github.com/dotnet/dotnet
   cd dotnet

2. Make sure your darc is up-to-date
   (version 1.1.0-beta.26322.2 or higher)

   # Linux / MacOS
   ./eng/common/darc-init.sh
   # or on Windows
   .\eng\common\darc-init.ps1

3. Run from repo's git clone and follow the instructions provided by the command to stage the conflict locally

   darc vmr resolve-conflict --subscription 45a897cb-d501-451f-9d5c-78aa59632807 

   This should apply the build 320070 with sources from 9ce79e9

4. Resolve the conflicts, commit & push the changes

5. Once pushed, the Codeflow verification check will turn green.
   If not, a new build might have flown into the PR and you might need to run the command above again.

💡 You may consult the FAQ for more information or tag @dotnet/prodconsvcs for assistance.

[dotnet-maestro]

Note

PRs from original repository included in this codeflow update:

• Leverage the new IMcpServerInfoService to detect server availability NuGet/NuGet.Client#7453
• Reduce blocking time in UpdateSolution_QueryDelayBuildAction NuGet/NuGet.Client#7454
• Localized file check-in by OneLocBuild Task: Build definition ID 8117: Build ID 14419580 NuGet/NuGet.Client#7491
• Pin MessagePack package version to fix restore audit warning NuGet/NuGet.Client#7484
• Add nuget-restore-repro-triage Copilot skill NuGet/NuGet.Client#7490
• Add create-pr Copilot skill for NuGet.Client PR workflow NuGet/NuGet.Client#7489
• Remove "please" from error messages NuGet/NuGet.Client#7483
• Stop using consumption NuGet/NuGet.Client#7486
• Remove suppression and Fix trim warnings NuGet/NuGet.Client#7488
• Enable nullable on local repository types in NuGet.Protocol NuGet/NuGet.Client#7492
• Localized file check-in by OneLocBuild Task: Build definition ID 8117: Build ID 14435957 NuGet/NuGet.Client#7496
• Migrate Find-Package and Get-Package E2E tests to unit tests NuGet/NuGet.Client#7467
• Port eng/common --add-source -> --source from #7437 to fix Publish Using Darc NuGet/NuGet.Client#7499
• NuGet.Protocol should not use Newtonsoft.Json when AoT trimmed NuGet/NuGet.Client#7493
• Add MSBuild CLI tests to Apex tests NuGet/NuGet.Client#7494
• Make SearchFilter.PackageType singular rather than plural NuGet/NuGet.Client#7469
• Make SemVer Parse sections code easier to read NuGet/NuGet.Client#7501

💡 You may consult the FAQ for more information or tag @dotnet/prodconsvcs for assistance.

[dotnet-maestro]

Caution

🚨 Action Required — Conflict detected

A conflict was detected when trying to update this PR with changes from build 320240 of https://github.com/nuget/nuget.client/tree/097edf1fd3fc849850e3ec3c6236db8260572a0f.

The conflicts in the following files need to be manually resolved:

• Directory.Packages.props
  🔍 View file in nuget/nuget.client vs VMR

ℹ️ To resolve the conflicts, please follow these steps:

1. Clone the current repository

   git clone https://github.com/dotnet/dotnet
   cd dotnet

2. Make sure your darc is up-to-date
   (version 1.1.0-beta.26322.2 or higher)

   # Linux / MacOS
   ./eng/common/darc-init.sh
   # or on Windows
   .\eng\common\darc-init.ps1

3. Run from repo's git clone and follow the instructions provided by the command to stage the conflict locally

   darc vmr resolve-conflict --subscription 45a897cb-d501-451f-9d5c-78aa59632807 

   This should apply the build 320240 with sources from 097edf1

4. Resolve the conflicts, commit & push the changes

5. Once pushed, the Codeflow verification check will turn green.
   If not, a new build might have flown into the PR and you might need to run the command above again.

💡 You may consult the FAQ for more information or tag @dotnet/prodconsvcs for assistance.

[dotnet-maestro]

Note

PRs from original repository included in this codeflow update:

• Leverage the new IMcpServerInfoService to detect server availability NuGet/NuGet.Client#7453
• Reduce blocking time in UpdateSolution_QueryDelayBuildAction NuGet/NuGet.Client#7454
• Localized file check-in by OneLocBuild Task: Build definition ID 8117: Build ID 14419580 NuGet/NuGet.Client#7491
• Pin MessagePack package version to fix restore audit warning NuGet/NuGet.Client#7484
• Add nuget-restore-repro-triage Copilot skill NuGet/NuGet.Client#7490
• Add create-pr Copilot skill for NuGet.Client PR workflow NuGet/NuGet.Client#7489
• Remove "please" from error messages NuGet/NuGet.Client#7483
• Stop using consumption NuGet/NuGet.Client#7486
• Remove suppression and Fix trim warnings NuGet/NuGet.Client#7488
• Enable nullable on local repository types in NuGet.Protocol NuGet/NuGet.Client#7492
• Localized file check-in by OneLocBuild Task: Build definition ID 8117: Build ID 14435957 NuGet/NuGet.Client#7496
• Migrate Find-Package and Get-Package E2E tests to unit tests NuGet/NuGet.Client#7467
• Port eng/common --add-source -> --source from #7437 to fix Publish Using Darc NuGet/NuGet.Client#7499
• NuGet.Protocol should not use Newtonsoft.Json when AoT trimmed NuGet/NuGet.Client#7493
• Add MSBuild CLI tests to Apex tests NuGet/NuGet.Client#7494
• Make SearchFilter.PackageType singular rather than plural NuGet/NuGet.Client#7469
• Make SemVer Parse sections code easier to read NuGet/NuGet.Client#7501
• Make NuGet Apex tests self-suppress the Preview Changes dialog NuGet/NuGet.Client#7500
• Skip nonexistent fallback folders when resolving installed package paths NuGet/NuGet.Client#7504
• Use hardcoded psmdcp name to fix deterministic pack file-handle leak NuGet/NuGet.Client#7503
• Add NU5052 pack warning for non-restricted package IDs NuGet/NuGet.Client#7487

💡 You may consult the FAQ for more information or tag @dotnet/prodconsvcs for assistance.

[dotnet-maestro]

Note

PRs from original repository included in this codeflow update:

• Enable nullable on NuGet.Protocol legacy feed types (phase 20) NuGet/NuGet.Client#7498
• PMC test improvements; remove regions, use a dedicated fixtures folder, improve apex migration skill NuGet/NuGet.Client#7502

💡 You may consult the FAQ for more information or tag @dotnet/prodconsvcs for assistance.