You can now see an opponent’s signal strength before the fight begins and choose to cancel the match if the connection looks dicey.
: While the patch notes focused on co-op, players noted minor refinements in matchmaking and connectivity.
: The patch improved overall netcode stability to reduce lag, which had been a significant complaint for the "Bloodline Rebellion" home console port. Legacy and Impact
Update 1.03 is remembered as the "stability patch" that made the console port (PS3/Xbox 360) feel closer to the high-speed arcade experience of Tekken 6: Bloodline Rebellion .
The most significant feature of the Tekken 6 1.03 update was the addition of Online Co-Op for the Scenario Campaign
: General fixes for the online World Tekken Federation features.