DORICO 4, its MIXER and PLAY mode

I have seen that you have emailed your file to me, @witold, and I will take a look as soon as I can. My suspicion is that your userlibrary.xml file is absolutely fine but that you are experiencing the same bug that some other users have also experienced. We will be releasing an update with a fix for this problem as soon as we can. I am actually out of the country at the moment but I will be back in the saddle tomorrow and should be able to advise further then, if not before.

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