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########### Version 6.3 (YPGH)
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########### General
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- New trade system in Europe (Horse Lords will be required to use this, however it doesn't hurt to don't have the expansion for the overall experience)
- New retinue system for the AI, AI will now use the full limit of retinues and build their culture specific retinue type
The AI can build retinue under the following conditions: a) All independent AI Characters can build retinue, Duke Vasalls with 2 Duke titles can build retinues, and King Vasalls also can build them
(decreases AI retinue, improves performence and more or less removes the annoying problems that you would run into countless retinue stacks when waging war on someone, costing warscore from battles)
- Reworked money lending for AI again, AI should now do it a bit less
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########### Buildings
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- Nerved the keep for castles a bit, the later versions won't give so many more troops
- Tribal buildings give some more troops
- Berserkers are now available for tribals as well (in specific regions)