Has anyone else noticed that when you show a layer effect in PS CS6 on Yosemite there is a severe brush lag?
Even when the effect is NOT on the active layer, hiding the effect (such as a stroke effect on a layer) allows the brush strokes to appear realtime.
This wasn't happening on Mavericks.
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Photoshop CS6 13.0.6 x64
Mavericks 10.10.1
iMac Intel Core i5, 2.66 GHz
Memory: 16 GB
Wacom Cintiq 13HD