from freshmeat: "HTTP proxy support, fixed/improved index caching, library column sorting, library position retention for selected Etexts, and a local cache auto-update implementation have been added. The Gutenberg index format (pgwhole.zip) is now used. Please remove your .gutenbook/preferences file when you upgrade Gutenbook; your preferences will not be read/set correctly unless you remove this file." Go Lefty go... for more see the Gutenbook site [1].
Links:
[1] http://www.gutenbook.org/