The v1.11 Update fixes some bugs in the graphics, in the game logic , events and several issues with the units database. It also features improvements in the AI (which is less aggressive in some instances, is less prone to siege with cavalry and more), Data and Modding options. Furthermore the multiplayer campaign now has the 3 allies not sharing the field of view.

For the full changelog check below:

December 12th, 2013
The patch is a comprehensive patch, meaning it can be applied directly over your initial game installation setup version, provided you own the Gold version.

Game logic
Fixed bug in combining units together.
Reconnaissance Party now also removes 1 hide point to the enemy units (if played adjacent) or add 1 hide point to your units (if played in the same region as your army). In addition to the control change. Don’t affect raiders and skirmishers.

AI
AI less aggressive in some instances.
AI form up brigades much more efficiently.
AI less prone to siege with cavalry.
AI less prone to build Redoubts.
New AI algorithm to collect idle leaders.

Modding & Scripting
Diplomacy levels exported. Now it’s possible to have a separate value for sharing intelligence, passage rights and supply rights.

Events
Several issues with the events fixed.

Scenarios & Campaigns
The multiplayers campaign has now the 3 allies not sharing field of view.

Data
Several issues with the units database fixed.
Colors for filters 5 and 6 (grand regions & theatres) have been restored.

Graphics / Interface
Added missing filters and top bar graphics.
Bird graphic replaced when opening regional decisions.
Corrected VP Count in the Objectives Ledger page.
Fixed overlapping icons in the ledger.