My English not very well, but I found some of bugs. Please see video attachments
Created attachment 129083 [details] XML Form Document
Created attachment 129084 [details] Middle mouse button
Created attachment 129085 [details] Impress Presentation & Draw Drawing
Created attachment 129086 [details] Slide
Created attachment 129087 [details] Calc
Created attachment 129088 [details] Calc 2
Please make 1 bugtracker per bug since it's quite impossible to deal with a multibug (and unrelated) tracker.