In updating my Parameterization Preview extension this week I had a problem where debugging the extension didn’t work. Debugging would startup a new instance of Studio with the extension installed but the Initialize method in my Package was never called. After some searching I couldn’t find any options to fix it or others with the same issue. I did find some Microsoft documentation with guidance for migrating extensions for VS2017:
As a member of the Visual Studio Partner Program, I found several resources to get some help but Gitter seemed like a good option.
Sure enough another community member had seen this issue and fixed it by resetting the VS Experimental Instance.
I didn’t even know there was an Experimental Instance. Per Yann’s suggestion I found the reset option in the start menu:
Make sure all instances of VS are shutdown before executing. Execution appears as follows:
This fixed the issue for me. After this my extension initialized as expected and all was good.