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Votes

0

Found in

2.0.26

Issue ID

UUM-132284

Regression

Yes

Visual Studio Code does not integrate with the project when the .slnx project is opened

Visual Studio

-

Reproduction steps:
1. Open the attached “IN-126838” project
2. In the Preferences > External Tools, make sure Visual Studio Code is the selected IDE
3. Right-click in the Project window and select “Open C# Project”
4. Observe the opened IDE and the error message

Actual results: A “project.slnx is unable to open. Please ensure that your .NET SDK version is 9.0.200 or higher to support .slnx files.” message is shown and IntelliSense is not working
Expected result: No error messages are shown and IntelliSense works fine

Reproducible with: 2.0.25, 2.0.26 (6000.0.65f1, 6000.3.4f1, 6000.4.0b4, 6000.5.0a4)
Not reproducible with: 2.0.23 (6000.0.65f1, 6000.3.4f1)

Reproducible on: Windows 11 (by reporter), Linux (from discussions), macOS 26.2
Not reproducible on: No other environments tested

Note: VS Code 2.0.23 opens the “.sln” file and 2.0.25+ opens the “.slnx” file

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