All changes were mostly made to replace and cover weakest spot for every civ >

Minor Features:

Britons: Thumb ring added

Franks: Squires added

Goths: Plate mail armor - Plate barding armor added/ now Palisade have 400 HP
Elite Huskarl have 5 HP extra (75) in total and 1 extra melee armor / Halberdier and Champion have +1 extra pierce armor

Teutons: Husbandry - Herbal medicine added

Japanese: Heated shot added

Chinese: Siege engineers added

Byzantines: Heated shot - Bloodlines - Blast furnace added

Saracens: Heated shot - Crop rotation added / Heavy camel rider +1 extra melee armor

Vikings: Halberdier - Herbal medicine added / Berserk +2HP and elite berserk +5 HP with viks infantry bonus deal up from 50 to 60 HP and 72 to 78 HP for elite berserk.

Mongols: Crop rotation - Ring archer armor - Plate barding armor added

Celts: Crop rotation - Two man saw added

Spanish: Gold shaft mining - Crop rotation added

Aztecs: Masonry - Architecture - Thumb ring - Halberdier added

Mayans: Siege engineers - Champions added

Huns Ring archer armor - Crop rotation added

Koreans - turks and pers still without any changes.

as this is a test to- balance any change may come and suggestions are welcome.