When placing orders on the trading post, you can't click to the side of the bidding window to return to the search results. You have to click the X or Close.
Hey Ben, just wanted to add some information. It has hit me for over 4 hours today. I can pick a match from a game browser, but cannot solo queue in ranked or unranked. I can get pulled into a queue while duoing, and I can also queue the duo myself.