Quoted from Rob_G:
I'm installing 1.57 as I type this. Alien Invasion is possibly the one mode that really highlights the slowdown issue where each progressive clip seems to play slower than the last. I was testing with glass off and one of the last Alien Invasion phone clips was quite slow, even the lighting effect on the phone was noticeably slow. I did not have the bluetooth dongle plugged in either. Once I get 1.57 installed I will test that mode again and see if it's still slow or not. Something to do on a slow saturday night
Installing 1.57 made the phone screen washed out looking like the contrast was set very high. So I put 1.71 back on my game and the phone screen is normal again.
As for the drones, I saw 1.57 had a lot of drone usage going on compared to newer code versions. They would even react to switches like the left inlane switch for example. I adjusted the 2 leaf switches in the drone area to be more sensitive and that seems to certainly improve things in regards to the drones working better now. It's double rubber in this area so the switch gap needs to be pretty close. If these switches don't work, basically the drones don't work either.
Video playback on 1.57 seemed better on the phone. But, looked like crap because of the video issue I mentioned earlier.
I didn't play much or test on 1.57 because of the phone screen looking washed out. I will stick with 1.71.