Wierd DMX issues in 3.0.1

I've just noticed that some of my fixtures are rest in wierd positions .... say the 6 mac2k's i have, 2 rest at 0.0 the rest at 50/50. All defaults and DMX out are at 50/50. I move the encoder and it goes right to where it belongs. Happens randomly with any fixture I've had (M2k profile, ss575, cybers, xspots) -- seems to just me 1/4 of the fixtures of that type.

Not sure if this is a bug or what. Just annoying and only started since I've upgraded to 3.0.1 from 2.6:aargh4:
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