microsoft / microsoft/vs-solutionpersistence
Visual Studio 2026 removes DefaultStartup every time I add a project to the solution
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- Dominant language
- C#
- Stars
- 213
- Forks
- 14
- PR merge metrics
- No merged PRs in 30d
Description
I have an slnx solution file. Whenever I add a project to the solution in Visual Studio 2026, it removes the DefaultStartup="true" that I have set for one of the projects.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the issue with an .slnx solution in Visual Studio 2026 by setting DefaultStartup="true" on a project and then adding another project. Trace the solution update path and verify that adding a project preserves the existing DefaultStartup setting.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- csharp
- Domain
- developer-experience
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 55/100