MacAqua crashes without user intervention when I open a file with math previews. Appearently BufferView::pimpl::update() calls itself indirectly between startUpdating() and doneUpdating().Which propagates the imageReady()-events to RenderPreview which in turn calls updateInset() ...
I triggered this yesterday as well. I have a fix handy, which I'll commit shortly.
Until then, you can safely remove the assert in CoordCache::doneUpdating.
Regards, Asger
