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Third Party Issue
Votes
1
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
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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Resolution Note:
Thank you for reporting this issue. I have spoken to our contact at Microsoft and this is apparently a known issue to them, they are already tracking it here: https://github.com/microsoft/vscode-dotnettools/issues/2504
11:55
The have also made this workaround for Linux users (here Ubuntu 24 LTS):
https://gist.github.com/sailro/726c8d98c2e0f92a1df21051b89e636b
Because the problem lies outside our codebase, we're unable to address it directly. We will close this case as a third-party issue.
Resolution Note:
Thank you for reporting this issue. I have spoken to our contact at Microsoft and this is apparently a known issue to them, they are already tracking it here: https://github.com/microsoft/vscode-dotnettools/issues/2504
11:55
The have also made this workaround for Linux users (here Ubuntu 24 LTS):
https://gist.github.com/sailro/726c8d98c2e0f92a1df21051b89e636b
Because the problem lies outside our codebase, we're unable to address it directly. We will close this case as a third-party issue.