I looked through that MovieMistakes and it's amazing how many blatant continuity errors there are in these films. What's even more amazing is there were actually several that did not click with me before, despite the countless times I've seen these movies XD I'm glad that Ady has much better eyes and will be taking the time to correct all of these problems though (or most of them, because I can understand some of them would be very difficult to fix and/or not worth the trouble).
Question for you guys, how many doors/entrances do you think are in that Cloud City room where Lea is pacing around by the window? Originally, I used to think there was just one, but not long ago I realized that there are actually two. The first one is where Han walks in, and the second one I believe is where Chewie and later Lando walk in. Whether it is meant to be 1 door or 2 doors, I see an error either way and when I get time, I'll try to map them out in case it's worth looking into.