Visual Studio 2015 new files not being added to source control automatically

Question

I have just upgraded to VS2015 and I am experiencing an issue I have not seen before. Using an existing solution under source control, I am able to modify files and they get

Answer 1

Add a .tfignore file to the release folder containing the extensions you want it to not ignore:

!*.vb

I tried adding this to the .tfignore that existed in my solution folder and it didn't help. It only worked when I added one to the parent release folder.

..\Release
..\Release\.tfignore <-- this one
..\Release\SolutionA\
..\Release\SolutionA\.tfignore

msdn thread on the subject