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A week after seeding build 12E36 to developers on April 23, Apple has just pushed out OS X 10.8.4 beta build 12E40 to developers. Apple is once again asking developers to focus on WiFi performance, Graphics, and Safari. We’ll update this post if developers have anything new to report. Thanks, Anonymous!

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About the Author

Jordan Kahn

Jordan writes about all things Apple as Senior Editor of 9to5Mac, & contributes to 9to5Google, 9to5Toys, & He also co-authors 9to5Mac’s Logic Pros series.