Battlefield 3's Battlelog service will be undergoing maintenance tomorrow as DICE brings a server update and Battlelog update with "minor additions".
Battlelog is expected to be down tomorrow, August 9, between 10:00 CET to 11:00 CET. You can find your time zone here.
Here's what the server and Battleog update will include (via):
Server update:
- XP2 weapons were unavailable on unranked servers
- scoring was disabled altogether on unranked server
Battlelog:
- You can now accept/reject party invites
- Vote system has been fixed in polls
- Server browser shows the name of the current map
- User can now see if he/she has all unlocks for a vehicle in the Vehicle Stats page in the Unlocks section