Google Apps update – edit Slides offline

Users now have the ability to create, view and edit presentations without an internet connection with Google Slides offline. This is automatically enabled for users who have already enabled offline editing of Docs and Sheets. Offline access to presentations is only available in Chrome and on Chrome OS devices.

Editions included
Google Apps for Business, Government and Education

Release track
Rapid release

For more information
http://support.google.com/drive/bin/answer.py?hl=en&answer=1628467