Apple releases macOS 10.12.2 Sierra beta 6 to developers and Public Beta testers December 9, 2016 by admin Tweet Apple today seeded the sixth beta of the next minor iteration of macOS, version 10.12.2 Sierra, to developers and Public Beta testers. The build number for today’s beta is 16C63a. Read more… Neowin Related Posts:Apple shows off macOS Ventura at WWDC with a beta…Apple launches second beta for iOS 17.5, macOS 14.5 and moreApple releases iPadOS 16 beta 7 with more bug fixes…WhatsApp Windows Beta testers can now text unknown…DuckDuckGo browser beta available for macOS, but…