Return Self Software today announced the release of Avenir 2.3.4, its fiction writing software for Mac OS X, providing outlining features for tracking characters, locations, scenes, research and more, along with a rich text editor with support for inline annotations. This version allows annotating text in all views, provides improved printing support, and fixes several minor bugs. Avenir is priced at US$29.95 and requires Mac OS X 10.4 or later. A free 30-day trial is also available.