Leo 4.9 b4 is now available here. Leo is a text editor, data organizer, project manager and much more.
For more details, see this announcement at the leo-editor google group.
There are no remaining major items on Leo's to-do list, and no known bugs in Leo. Unless serious problems are reported, expect Leo 4.9 rc1 this Friday, June 17 and 4.9 final on Tuesday, June 21.