Visual studio 2019 auto removed nuget packages after debug

Question

Every time I add any nuget package to my .net core application, it stays for a bit but it seems like after I start a debug and end it, the nuget package removed automatically from Visual studio project.

Is any thing changes in visual studio 2019?

Answer 1

After searching on internet I found solution on this developer community Website.

1. Close VS2019
2. Delete the ".vs" folder
3. Open VS2019, add the NuGet package
4. Save all

I suspect "Save all" after adding a NuGet package might be key here.