The following is shown in the header of the Bug Tracker forum:
"All confirmed bugs are going to be posted to the official Avant Browser Bug Tracker. This will make it much easier to keep track of bugs and will make it easier to report bugs to the developer."
The most recent bug listed in this forum (#470) was last updated on Jan. 20,2012.
Bug #459 is the bug most recently shown as "Assigned" and was last updated on March 9, 2011.
Bug #434 is the bug most recently shown as "Reviewed" and was last updated on Sept. 28, 2010.
Bug #402 is the bug most recently shown as "Fix in progress" and was last updated on Aug. 9, 2010.
If the Bug Tracker forum is not going to be maintained, you might as well delete it.