It lives at https://github.com/8i/Chimera/blob/master/Recorder/V1/PointGrayRecorder/PointGrayRecorder.sln. Lol.
I've never got the post build steps to run. When I first got the recorder setup on my machine with Bob's help we simply deleted the code in here as it wasn't needed for the ServerApp project. So you should just do this too. Only thing to remember here is to not commit this change.
Simpy make the changes you need and test them locally.
For this to be automagically updated the next time the user opens the Studio you'll need to make sure it is published to the same folder location as it was installed from. This is due to the MS ClickOne install wizard.
For LA this need to be set to
\la-nas1\Storage\Software\8iBuilds\ServerApp\Studio\
which means you'll need to be on the same network as the LA studio.
The latest version number should increment itself.
There are some chunks in the .cdproj code you'll probably want to ignore. The only real change you need to commit is the change to ApplicationRevision which dictates what the next version number will be.
On master you just need to reopen the recorder app. If all goes well you'll see a wee "Do you want to update" box come up when you restart. Do that and when you log in the version number listed up the top left will also have been incremented.