There is something funny with the latest pharo, apparently it is redrawing something in a loop. Counting Squeak + WindowServer this amounts to quite a lot of CPU (60-80%). Using QuartzDebug, it seems OB continually redraws the horizontal splitter between the columns and the status line above the buttons. -- Damien Pollet type less, do more [ | ] http://people.untyped.org/damien.pollet