Originally conceived of as an expansion adding multiplayer to the original Mount & Blade, Warband became a standalone sequel and was released for PC on March 31.

Changes include minor AI improvements, fixed party skill bonus calculations and a reduction in the maximum number of bandit parties, as detailed below.

• New Game option to set Campaign AI to easy, normal or difficult
• NPC soldiers should now climb siege ladders without problem.
• There is now a chance player companions will not fall prisoner with you when you are defeated.
• The game will no longer crash if you move all your prisoner into a castle.
• AI weapon selection improved.
• AI will no longer equip two shields.
• Your companions who are prisoners at a faction's castles are now set free when peace is declared.
• Party skill bonuses are now calculated correctly.
• Fixed slashing through your horse and buildings using hafted blades on horseback.
• Added max_number_of_connections option to rgl_config.txt. Players who have difficulty receiving server list from internet can lower the default value (64) to 20 or so.
• Number of maximum bandit parties reduced by 15%.
• Added Chinese language option (Simplified and Traditional).
• Many other bug-fixes.