Sealed bidding where no one knows what anyone else is bidding until an announcement at the auction end. (Wouldn't be compatible with antisnipe or max bids, I guess.) Should be a much quieter way to do it. (v2.6.0+)
Silent bidding where global bid notification is suppressed. Unlike sealed bids, users will be notified if they aren't the highest bidder and the bid amounts will show in "/auction info" (v2.6.0+)
A config option to supress the countdown announcement. (v2.6.0+)
