My friend also only gets 1.2mb/sec when connecting to me. Speedtests give close to 200 up and down, even when running speedtest while he's downloading map. Map's gotten so big it takes minutes and we have to pause to not get weird autosave issues (it saved 3 times in short order and started lagging ...

I'm really missing the ability to save new presets for creating a new world. It takes a lot of time to change everything, especially if experimenting with the world gen, and it would be nice to not have to write down or just remember what the good settings we find are.