Bars have been added to WeeChat. They are used to display informations around chat area. In near future, some existing items will become real bars (like title, nicklist, status, input).
Plugin and script API is now ready for using these bars. Following screenshot is a demo of scripts buffers.pl and uptime.pl:

Updated on 2008-10-12: new bars are now used: title, nicklist, status, input.