If you've downloaded and installed OS X 10.10 Yosemite onto your Mac, you're now part of a club that consists of 20 percent of Macs out there.
According to data collected by web metrics firm Net Applications, OS X 10.10 Yosemite accounted for 19.4 percent of OS X systems detected.
Yosemite was release as a free upgrade on October 16, so the growth in question related to only half of the month. Back in October 2013 when OS X 10.9 Mavericks was released it hit a peak usage of 10.9 percent for the month, although it was released later during the month (October 22).
Mavericks currently runs over half of all Macs. The remainder is made up of earlier releases, such as Snow Leopard, Lion, and Mountain Lion (OS X 10.6, 10.7, and 10.8, respectively), none of which are now supported by Apple, and as such won't be receiving any furture security updates or patches.
Yosemite brings a raft of new features to OS X – many that focus on bringing iOS and OS X closer together – and runs on all Macs capable of running OS X 10.9 Mavericks.
While Yosemite seems to be enjoying faster adoption that its predecessor, iOS 8 is seeing a slowdown. After, which is good compared to platforms such as Android, but slower than what was seen for previous releases. The , along with , seems to have put a significant dent in interest.