Hi,
on the DLS one can find many of Phil Skenes great IndustRail versions, e.g. 1a, 1b, 2a, 2b, ... , 7a, 7b, 8a etc.
I am wondering if there is any connection between the different versions.
In TRS 2004 I have IndustRail 8a. Now I've learned that 2a is apparently for TRS 2009, hence a newer...