Release Notes:

OmniGraffle for Mac

Release Notes: What's new, updated, or fixed

OmniGraffle 6.1 is a major update that brings a new User Interface, the ability to detach inspectors into their own floating panels, new fill effects, new stroke and shadow types, and support for the Visio 2013 format. OmniGraffle 6.1 requires Mac OS X 10.10 Yosemite to run.