I couldn't find a consolidated thread of all new .bomb features people have found, so I thought I'd start one. (Apologies if this "discovery" was already reported, or if there is already a consolidated thread. I didn't think this really fit with the beta thread or the sticky.)

Here's one I just found. Select a flight in My Itineraries. Then go to Planning travel/Shop for flights. The city pair and dates are pre-entered! I've only tried this for a simple round trip (as that's all we have currently booked), so I don't know what you'll get if you try this with a complicated routing, but it would be interesting to find out...