Apple releases OS X Yosemite beta 5, continues to optimize Photos app

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Apple today released the fifth beta of OS X Yosemite to developers, about a month after the release of the first beta of OS X 10.10.3 and a week after the release of the last beta. The latest beta build number is 14D113c, and registered developers can download the update through the Mac App Store or Mac Dev Center. In addition, Apple has also updated Yosemite Recovery to version 3.0.

In this beta, Apple continues to optimize the new Photos app for OS X, and there are still two known issues, including the favorites problem and the problem of missing thumbnails when restoring pictures processed by Aperture using Time Machine.

In the early beta of OS X 10.10.3, Apple added several new features, including a new Photos app. The Photos app is deeply integrated with iCloud Photo Library. Apple intends to use it to replace iPhoto and Aperture, and will officially release it in early 2015. For most users, the new Photos app is more advanced and has better performance. It is a good choice to replace iPhoto, but it may disappoint professional users.

In addition to the new Photos app, the previous two OS X 10.10.3 betas also included a redesigned emoji picker, a more diverse selection of emoji and emoji skins, updated emojis and icons for iPhone, iMac, and Apple Watch, and support for Google's two-step verification when setting up System Preferences accounts.