Apple issued pre-release versions of Safari for OS X Mountain Lion, Mavericks, and Yosemite today for developers. The Safari beta versions include Safari 8.0.1, 7.1.1, and 6.2.1 for OS X 10.10, 10.9, and 10.8, respectively.
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As part of the pre-release software, Apple asks users to focus on these areas for testing:
• General website compatibility • Extension compatibility • WebGL graphics on Retina displays • Password AutoFill when passwords are synchronized across multiple devices • Syncing history between devices (OS X Yosemite only) • Importing usernames and passwords from Firefox (OS X Yosemite only)
In addition to the latest Safari for OS X betas, Apple also released a firmware update for Thunderbolt Display users. The latest firmware update, version 1.2, is intended to correct “a rare issue that may cause the display to go black” and improve reliability when connecting other devices.