-100 issues fixed. Full list of them can be found here. -Song "Where are we now" has been implemented, but renamed to "Wait". -Random fall damage due to lag is now gone. -(This one has been annoying me for a few days now) Taking damage while riding in minecarts is fixed. -Enchanted book exploit is gone. -Slimes have their correct collision boxes back. -Signs no longer lose their text. Although, this is only client-side. 1.4.3 will be out 7th November 2012 if everything goes to plan. Downloads for 1.4.3 can be found here: Client: http://assets.minecraft.net/1_4_3/minecraft.jar Server: http://assets.minecraft.net/1_4_3/minecraft_server.jar (or EXE) Also, Mojang's bug tracker can be found here: Minecraft bug tracker!
I should also mention a notable bug of this new snapshot is that you can no longer resist water flows.