"Mozilla now also says that graphics driver updates are important to avoid browser crashes. "Firefox 4 brings many new features in the Graphics department, notably hardware acceleration and WebGL," Mozilla's Benoit Jacob wrote in a blog post. "However, when we turned these features on by default in nightly builds around September last year, and then in Beta 7,  crash statistics and bug reports quickly showed that bugs in graphics drivers were often making these features misbehave.""