Apple has released the third developer beta of macOS Sierra 10.12.6. It can be be downloaded from the Apple Developer Center.
Apple Releases Third Developer Beta Of macOS 10.12.6
![Apple Releases Third Developer Beta Of macOS 10.12.6](https://www.mactech.com/wp-content/uploads/2017/06/macOS-Sierra-logo_16.jpg)
Apple has released the third developer beta of macOS Sierra 10.12.6. It can be be downloaded from the Apple Developer Center.