The Omni Group released OmniOutliner and OmniOutliner Pro 3.6.3 on Friday with compatibility support for Mac OS X 10.5. The updated version of the outliner and idea organization application also fixed a transparency problem with image attachments, and improved overall performance. OmniOutliner and OmniOutliner Pro 3.6.3 are priced at US$39.95 and $69.95 respectively. The updates are free for version 3 users.