Doesn't.. -Dapple.awt.graphics.UseQuartz=true still work? I've just installed Update 2 and Java 2D seems fine with this vm argument. Of course its a pig without.. But it would be nice to not have to.. are you forcing programmatically at runtime? If so, please share the recipe.. :) On Sep 25, 2008, at 9:43 PM, Sean Luke wrote: > Been seeing HeatBugs and Ant slow down to molasses-level speeds > lately? You're probably on MacOS X Leopard. As part of releasing > Java 1.6, Apple's been migrating from its Quartz-based Java2D > graphics renderer to Sun's OpenGL-based renderer. Problem is, Sun's > renderer is much slower. Even more of a problem: Apple has recently > moved to do this by default for 1.5 as well, and on 1.5, Sun's > renderer is _really_ pathetic. > > I have made a few modifications to MASON so that Java is forced to > use the Quartz renderer on Macs. Things are now back to acceptable > speeds. These modifications are on CVS along with other recent > changes. If you would like a snapshot and can't do CVS, let me know. > > Sean