So I use the base layer compare tool via Tools>Development tools>Version update>Compare layers to create a project of the "CUS" layer (normally the VAR layer for me). This gets all of the objects modified in the CUS layer in one project. Then I set that in the #layerCompareProject macro, then add my projects I want to check against in the lower lines of code. I've used this tool countless times to compare two projects. Another use I had was during an upgrade to Roll Up 7 from Roll Up 1. Somehow I had deleted a modification to an obscure table...this made me worried that I could have accidentally deleted other objects that I would have no idea about. To check this, I went into Live and created a layer compare project of the CUS layer, then went into my upgraded RU7 environment and made the same layer compare project. Then all I had to do was run the job and it output the objects that were missing. I think it's clever/fun the wa...