People inside Yamaha thought it wasn't really ready yet. I'm sure they are working on the software to fix the bugs. OS updates after a major release isn't unusual.
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~Johnathan
"The Shueys"
www.shueymusic.com
Yamaha Genos - RCF M20x - RCF HD10A (Stereo) - Jupiter Pocket Trumpet - Sennheiser e935 - Neumann KMS-104 plus-N