I never had any experience with bugs except for this weird behaviour:
http://www.youtube.com/watch?v=ocUDmk6bcoY
The first thing I always do when setting up an installation of OS X is to set the hot corners for Expose:
Top Right: All Windows
Bottom Right: All Windows Within the currently open application
Bottom Left: Show Desktop
I cannot set my top right corner to have that function anymore. I've been yeld at by some apple evangelical psychopaths that I'm doing it wrong and that 'All Windows Expose' still exists if I swipe down when I hover over the grouped item of windows. Clearly it does not work. It only fans out the group of windows SLIGHTLY and I still can't see which window I need to switch to. I use photoshop, indesign and illustrator almost on a daily basis. I absolutely need Expose to function as it does in Snow Leopard. Its critical because my productivity is greatly improved this way.
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To those in this thread that are suffering from arrogance and willingness to accept *my* point of view:
I do real work on my machine. I use the Adobe Creative Suite to earn an income. I'm also in school for web development and I switch between applications more often than you seem to be able to comprehend. My video clearly shows the lack of support for a properly functioning Expose. In no way would the option to ungroup the windows degrade YOUR mac os experience, nor would a bug fix from apple, OR an option to turn off the new save function (which, for anyone who is a power user, will know what I mean about having control).