v4 is badly designed if you ask me. It focuses on the pictures. Big big pictures and stuff. Which i didn't like. I didn't see any other difference. Then again i don't use it...

Take look at this : http://www.youtube.com/watch?v=9MZLWZmWK7k

There was some talk about upgrades will only download the changed part you won't be have to download the whole app again. But i don't know it has come to life with v4. It can still be in developing. May be someone who uses can shed some light on the matter.

My phone came with version 3 but it doesn't show all my installed apps, maybe its fixed with version 4.

i get no connection error on this release. any idea?

Any one have issues with apps still not passing verification? It seems some apps work some don't.