Apple today seeded the second beta of an upcoming macOS High Sierra 10.13.3 update to developers, one week after seeding the first beta and almost two weeks after releasing macOS High Sierra 10.13.2, the second major update to the macOS High Sierra operating system.
The macOS High Sierra 10.13.3 beta can be downloaded from the Apple Developer Center or through the Software Update mechanism in the Mac App Store with the proper profile installed.
It’s not yet clear what improvements the third update to macOS High Sierra will bring, but it’s likely to include bug fixes and performance improvements for issues that weren’t addressed in macOS High Sierra 10.13.2.
No major outward-facing changes were discovered in the first beta of macOS High Sierra 10.13.3, but we’ll update this post should new features be found in the second beta.
The previous macOS High Sierra 10.13.2 update focused solely on security fixes and performance improvements, with no new features introduced.
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