Even though there is no specific documentation, there was a similar question here
Usually, .vs folder is required by Visual Studio to store opened documents, breakpoints, and other information about state of your solution. which means It contains typical files like,
- Temporary caches used by Roslyn for IntelliSense.
- IIS Express applicationHost.config file.
- Many other possible files (you are welcome to edit this answer to include what you know of).
与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
