Well, whatever it is related to I just wished it was gone.
So do I.
When mining blocks in DD especially when I was in Liam's world the blocks wouldn't go into my inventory they would just float, after like a minute they would...
This only happens when you have just loaded into a heavily built up world. There is basically too much data to send and not enough bandwidth. XBLIG's got the short straw from MS regarding bandwidth, XBLIG's are starved of bandwidth, compared with XBLA. It's even worse if players in the world are using game chat (not party chat), because that literally sucks up half the already tiny bandwidth we are allocated. Once a good amount of the surrounding world has had a chance to load, the problem with the blocks settles down. Just needs a few minutes.
The world randomly disconnects me.
I've had this happen to me a few times, but it doesn't happen often.
In Creative: The game stops for like 0.3 seconds, which when moving around or doing an obstacle course, when you try jump you don't and fall and die.. and it's literally just annoying.
I think this is something to do with NPC's. Unfortunately challenge map builders have a tendency to spawn hundreds of NPC's all over the place, and these are the #1 cause of this lag, and challenge maps are the one place you don't want this lag. Once the bulk of the map is received from the host, the problem settles down.
Also, sometimes people don't move when they move lol. Then just appear in a random place.
Same as the blocks problem. Just too much information and not enough bandwidth. Again it settles down once some of the surrounding map has had a chance to load.
One thing I forgot to mention in my original post is having to wait half an hour when joining a world, that's the worst out of all for me.
That is not common. I've joined over 50 maps since 1.8 was released and I've never had to wait more than 6 minutes.