Auction product has auction icon (label) on thumbnail
If user is logged in and winning in auction, item has winning badge on thumbnail
Product single page has new tab “Auction History”
Plenty of shortcodes – please check documentation for all available shortcodes
User has “My Auctions” page with listed auctions in which user placed a bid (for both active and won auctions)
Auction filtering in product list (wp-admin)
Frontend auction sorting by current bid, date, buy now price, activity, ending date (ending soonest), start date (recently started) – available in WordPress 4.2 and higher
Auction product has icon which describes different auction status: active, finished, finished and paid, failed (wp-admin)
Auction activity (shortcode), auction watchlist feature (shortcode and widget)
Ajax live updating for current bid and auction history
Make auction from virtual or downloadable products
Manually delete bid
Manually or automatically relist auction if there was no bid or was not paid in time
WPML compatible, PO file available for translations in lang/ dir
Enable users to create and submit their auctions and you as site owner can charge a fee (via multivendor plugin)