Apple continues to polish macOS Sierra and tvOS 10, seeding the sixth beta builds of the new software updates to developers today.
The new betas come a week after Apple dropped the last batch of betas, which brought a number of new bug fixes and performance improvements to the gigantic releases that are set for public launch this fall.

July 14, 2008: Apple crows that its newly opened App Store hit a massive 10 million downloads in its first 72 hours.
July 6, 2011: Amazon wins a landmark verdict against Apple over its proprietary use of the term “App Store” — opening up the possibility of other rival services calling their own app stores by the phrase Apple had helped popularize.