[Nicolas Rivera]

Hi, been trying to enjoy this new feature but unfortunately i crash every time I'm manipulating the grass modifier parameters and fire preview....

Using OSX

Processor 2.66 GHz Intel Core i5
Memory 8 GB 1067 MHz DDR3
Graphics ATI Radeon HD 4850 512 MB
Software Mac OS X Lion 10.7.2 (11C74)

[Mihai]

How many blades do you have in the scene? Because you can quickly run out of RAM with many blades, and you have to use the LOD.

Also, with FIRE I noticed it is best to leave it to re-export the scene, before navigating the view, especially in the OGL viewport.