Availability numbers for line items in proposals that are above the probability to campaign threshold (but are not yet converted) now reflect that line item's inventory reservation.
Further improved integrity of creative template handling to reduce or eliminate possibility of serving default templates.
Added the ability to target events that occur in a visitor's current session. There is a new radio button labeled "Session" in the Event Occurrences and Time Periods dialog when creating an event target rule.
Added new "BSERVERJ" ad request directive. This operates similarly to a traditional BSERVER call except that it will return a JSON array of creatives in response.