Safari Technology Preview Release 16 is now available for download for macOS Sierra.

Release Notes for Safari Technology Preview 14

Safari Technology Preview Release 14 is now available for download for both macOS Sierra and OS X El Capitan 10.11.6.

Release Notes for Safari Technology Preview 13

Safari Technology Preview Release 13 is now available for download for both macOS Sierra betas and OS X El Capitan 10.11.6.

Safari Technology Preview Release 12 is now available for download for both macOS Sierra betas and OS X El Capitan.

Safari Technology Preview Release 11 is now available for download for both macOS Sierra betas and OS X El Capitan.

Safari Technology Preview Release 10 is now available for download for both macOS Sierra betas and OS X El Capitan.

Safari Technology Preview Release 9 is now available for download for both macOS Sierra betas and OS X El Capitan.

Safari Technology Preview Release 8 is now available for download for both macOS Sierra beta 2 and OS X El Capitan.

Safari Technology Preview Release 7 is now available for download.

Safari Technology Preview Release 2 is now available for download.

Last week, a new version of Safari shipped with the release of iOS 9.3 and OS X El Capitan 10.11.4.

Learn how CSS Variables helped reduce code complexity in Web Inspector for inspiration on how to make the most of them in your projects.