Hardware Acceleration Disabled by Default TBird 9.0 Beta 3

Starting with Thunderbird 9.0 Beta 3 (released November 25, 2011) hardware acceleration is now turned off by default. While the premise was good to allow Thunderbird 5.0 and newer to utilize video hardware acceleration, for many user it caused issues including blurry fonts.

Thunderbird 9 Beta can be downloaded from the Mozilla Thunderbird builds page.

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