This isn't really a bug because it is possible to see the contents of windows while resizing. It's just not enabled by default and you need to install Compiz Config Settings Manager to enabled it:
http://askubuntu.com/questions/291386/how-do-i-enable-live-window- resizing-in-ubuntu-13-04 ** Package changed: ubuntu => compiz (Ubuntu) -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/1277833 Title: NO fluent window resizing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1277833/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : [email protected] Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp

