Naema I'm on a 2008 mac too (El Capitan) so its not your hardware. I have had no problems but that will be because i'm still on Ryzom 2.1.0. I may be overcautious but I try not to run Beta versions of anything.
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It's bad luck to be superstitious . . .Palta e decata, nan nec ilne matala.
When one goes on a journey it is not the scenery that changes, but the traveller