Great summary here, love the 3.2/4.0 side by side examples. I wondered why it hadn't mentioned the new background queue API though, only to find that's been pus

Great summary here, love the 3.2/4.0 side by side examples. I wondered why it hadn't mentioned the new background queue API though, only to find that's been pushed back out of 4.0 now. Just wanted to mention here incase anyone else hadn't seen that that has been taken out.