Submit your extensions to the new Safari Extensions Gallery.
The new Safari Extensions Gallery is available to all Safari users running OS X El Capitan and Yosemite. Users can access the new gallery from within Safari, conveniently browse extensions, and install them with a single click. All extensions in the new Safari Extensions Gallery are reviewed, signed, and hosted by Apple, providing easy distribution of your extensions and enhanced security for users. Those who download your extensions from the gallery will automatically receive approved updates. Submit your extension by following the steps below.