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Hello - I posted this by mistake in "About TVPaint Animation"

sometimes (yesterday it worked fine, but today not) when i start up tvpaint the sliders/buttons etc don't react when i use them, only when i release the pen i see the change
eg: to drag a layer: i only see the new position when i release the pen, normally i see a yellow bar that indicates where i'm going to reorder
and this is for most of the interface, it slows down the workflow...
drawing is ok

with the mouse it works well, so it is a problem with the wacom

This has to do with the MacOSX dock... there is some strange interaction with TVPaint.
First hide the dock, most of the time this will solve the problem.
If not, move TVPaint;'s window a few pixels, and or resize it a few pixels.

We are on this problem, but it's something so strange we make only slow progress.

thanks,
problem solved!