Updates to Mount&Blade: Warband have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Content Additions:

• NEW! By community demand Duel mode is being introduced into multi-player. You can now partake in 1 on 1 protected duels.
• NEW! Server setting to disallow ranged weapons, get rid of pesky archers with one click!
• NEW! Two new horse armors have been added for Steppe and Sarranid factions.

Gameplay:

• Bow accuracy has been rebalanced, higher tier bows are even better, with low tiers being slightly more inaccurate.
• AI Bots in multi-player have been changed to be more difficult in dedicated servers.
• Economy balance is somewhat tied to campaign difficulty setting.
• Minor Khergit troop stat changes.
• Knock down chances have been reduced.

Fixes:

• AI is no longer able to hit allied horses in single player.
• A minor bug in the spy meeting quest has been fixed.
• Links to finished quests will no longer appear in other notes.
• Several new and useful operations have been added for modders.
• Some shield banners have been fixed for multi-player.
• Various other fixes for non English packs.
• Various other bug fixes.

Source Updates to Mount&Blade: Warband have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Content Additions:

• NEW! By community demand Duel mode is being introduced into multi-player. You can now partake in 1 on 1 protected duels.
• NEW! Server setting to disallow ranged weapons, get rid of pesky archers with one click!
• NEW! Two new horse armors have been added for Steppe and Sarranid factions.

Gameplay:

• Bow accuracy has been rebalanced, higher tier bows are even better, with low tiers being slightly more inaccurate.
• AI Bots in multi-player have been changed to be more difficult in dedicated servers.
• Economy balance is somewhat tied to campaign difficulty setting.
• Minor Khergit troop stat changes.
• Knock down chances have been reduced.

Fixes:

• AI is no longer able to hit allied horses in single player.
• A minor bug in the spy meeting quest has been fixed.
• Links to finished quests will no longer appear in other notes.
• Several new and useful operations have been added for modders.
• Some shield banners have been fixed for multi-player.
• Various other fixes for non English packs.
• Various other bug fixes.

Source