I know that when we deploy farm solutions then they are available under Central Admin --> System Settings --> Manage farm solutions. In this list of solutions, there are 3 columns. Name, Status and ...
I have a custom WSP with (among other things) a user control and a DLL for GAC deployment. It's been built for SharePoint 2010 and .NET 3.5 and is fully working on my SharePoint 2010 Farm. I also ...