Dann also noch mal, was ist an dieser Aussage des Blender Entwicklers falsch:

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2) Other topics

- Our very active OS X platform maintainer for many years, Jens Verwiebe - had a
suprising statement. He's going to abandon OS X as a serious 3D/graphics development
platform. This, he said, because of lack of quality GPU support (OpenGL, OpenCL)
and annoying Yosemite glitches. It makes this platform too painful to keep using seriously.
Jens will stay around for at least the 2.75 release. Martijn Berger volunteered to
take over duties.
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Wenn Du es besser weisst kannst Du Jens Verwiebe oder seinem Nachfolger vielleicht erklären was er falsch macht oder warum er das gar nicht braucht...