The Omni Group released OmniGraffle 4.2.2 and OmniGraffle Pro 4.2.2 on Wednesday with support for Mac OS X 10.5. The update to the diagramming application addressed cosmetic issues, PDF export issues, AppleScript-related issues, and more. OmniGraffle 4.2.2 is priced at US$79.95, and the Professional version costs $149.95. The updates are free for version 4 users.

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