Apple issued a batch of new betas to developers on Wednesday. The new betas are for the upcoming OS X 10.9.4 Mavericks maintenance update, Safari 6.1.5, and OS X Server 3.2. The OS X 10.9.4 Mavericks beta is build 13E16.
Apple is asking developers to focus on Graphics Drivers and Safari, Bluetooth, Audio Drivers, Finder and the App Store.
Apple is asking Safari 6.1.5 seed testers to to focus on general website compatibility and extension compatibility.
The company also seeded the latest OS X Server builds with support for OS X 10.9.4.
Developers can download the latest builds via Apple’s Developer Portal or via the Update tab in the Mac App Store.