[mikets]

Ah I see. So in other words, all the methods involving modules (previously slots) are incompatible with previous versions. For example, for the gyro module, one of the constructors Gyro(UINT8 moduleNumber, UINT32 channel) is no longer compatible with the previous version Gyro(UINT32 slot, UINT32 channel). If I have old code that instantiate a gyro with a secondary Analog module in slot 3, for example. The code would look like Gyro(3, 1). But for this year, I have to put the secondary analog module in slot 5 (assuming a 8-slot cRIO) and initiate it with Gyro(2, 1). Does it sound about right?

Does it mean that I can no longer put the modules anywhere I want but it has to be "Analog, Digital, Solenoid, ???" in that order? Or the WPILib is smart enough so that I can put, for example, 3 analog modules anywhere, and I can address them by naming them 1 (1st instance of analog), 2 (2nd instance of analog) and 3 (3rd instance of anlog) since it can read the module ID in each slot.