timing different in newer software?

On a roadhog we went from software 2.xx to 3.05 with the same show after this summer-break (rental).
We have a show with desk channels, 7 studiocolors and 3 clay paky stage profiles. I really feel that a lot of crossfades feel very different, especially the ones with the clay pakys. Would it be the software or the lamps?:dunno:
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