These are the patch notes for the HD version and changes as we transitioned to DE. When the DE version is completely coded we will restart the patch notes.
Patch 1.1
Afghans
Battle elephants are no longer unintentionally available in the feudal age
Bantu
Elite Assegai spearman attack bonus vs cavalry decreased from 16 to 12
Khazars
Composite bow UT effect reduced from +4 to +3 attack
Iroquois
War chiefs UT effect halved, now allows eagle warriors to regenerate at half the berserk base rate
Thai
Thai battle elephants create slower, from 30% to 25% faster
Mississippians
Militia line upgrades are now 50% cheaper
Georgians
Monks now only get +1 range in the imperial age
Patch 1.2
Mississippians
Champion removed
Blast furnace added
Militia line upgrades discount increased from 50% cheaper to free
Can now create villagers from castles/fortresses without requiring a unique tech
Previous castle age UT replaced with Thunderbirds: (400f/200g, eagle and falcon warriors move 10% faster)
Falcon warrior base speed reduced from 1.1 to 1
Eagle warriors no longer get +3 attack vs archers
Caribs
Archery ranges have the appropriate amount of hp
Chola
Bombard elephants minimum range increased from 0 to 3, projectile speed reduced from 4 to 3
Manchu
Catapult cost increased from 140w/110g to 150w/150g
Arbalest added
Khazars
Arsiyah attack bonus vs cavalry reduced by 1 for both normal and elite
Dutch
Guilders UT effect reduced from 33% to 25%
Patch 1.3
Dutch
Guilders also affects Musketeers
Guilders UT ingame text clarified to include Bombard towers and Musketeers
Musketeer cost increased from 50f + 60g to 60f + 75g
Khazars
Ballista tower are no longer unintentionally available in the feudal age
Onager removed
Bombard cannons and scorpions no longer benefit from reduced minimum range
Nomadic horsemen UT effect reduced by 1
Thai
Champion removed
Hoardings removed
Krabi warrior cost changed from 40f/50g to 60f/30g
Patch 1.4
Afghans
Barracks/Stable/Range units no longer have +1 los in Feudal age
Insurgents now gives +40 attack vs siege
Hussar added
Bantu
No longer have town centres that cost less stone, instead start with +100 stone
Chola
Infantry no longer have +1 armour from feudal age, instead start with +150 wood
Plate barding armour added
Team bonus incorrectly stated that doubly rams/siege towers would not move faster than those units for non-mongols civs. They do, its hilariously broken, cant be fixed, and has to go.
Free guilds is the new team bonus
Bloodlines affects Bombard elephants
Battle elephants now gain +0.5 blast radius instead of +0.2, which is incorporated into the Pyromaniacs UT
New civ bonus: blacksmith technologies are automatically researched for free an age after they are available
Helvetians
No longer have 20% faster working monasteries as a team bonus, instead spearmen have +6 spearman armour
Now have 35% cheaper monasteries
Iroquois
Eagles are no longer attacked by wolves (Is this still an issue?)
Lumberjacks no longer carry extra wood
Team bonus changed to: repairers work twice as fast
Kanembu
No longer have 35% cheaper monasteries
Manchu
Archery range units no longer have +1 pierce armour from feudal age
Mississippians
Fortress removed
Villagers now can be created from towers in castle age in double the usual time
Polynesians
Maori warriors have +1 armour (+2 for elite)
Town centre’s no longer benefit from blacksmith range upgrades
Imp UT changed from Ka'aila Kino: Infantry +2 armour" to "Pã: Town centres have +3 attack
Thai
Require the appropriate buildings to advance ages (Is this still an issue?)
Ngao effect changed from Elephants have +6 attack vs archers to Elephants have +9/6/6 attack vs cavalry/camels/elephants and move to Imp
Meritocracy effect changed from Cavalry attacks 15% faster to Infantry have +4 attack vs eagles and moved to Castle
Patch 1.5
Afghans
Archer armour upgrades are now also merged with infantry armour upgrades
Technologies now research a flat 20% faster
Bantu
Skirmishers now fire 25% faster
Dutch
Team bonus changed to: Trade units move 20% faster
Guilders name, effect and cost changed to: Bastion - Bombard towers fire 20% faster, 600f + 400g
Musketeer rof reduced from 3.5 to 3
Musketeer cost decreased from 60f + 75g to 50f + 60g
Georgians
Masonry and Architecture are no longer free
Castle age costs 25% less
Stables are now 35% cheaper
Monks no longer have +1 range in imperial age
Devotion effect changed from monks +5 monk armour to monks +1 range
Team bonus changed to: monks +2 monk armour
Royal Guards effect increased to +1 range
Helvetians
Schlachtfeldmediziner moved to the castle age, cost changed to 200 food + 300 gold
Previous Imperial age UT replaced with: Reislaufer - Allies can train up to 10 Elite Swiss Pikemen at the barracks, 650 food + 400 gold
Ring archer armour added
Kanembu
Team bonus changed to: Trash units now create 20% faster
Receive +1/2/3 free villagers per age
Stables are no longer 35% cheaper
Foragers no longer have +10 carry capacity
Mafarauci now take up a full pop space
Elite skirmisher is free
No longer have access to Theocracy in the castle age
Previous castle age UT replaced with: Cima - Mafarauci move and fire 10% faster, 200 food + 200 gold
Can now create stables and scouts in the dark age
Champion removed
Halberdier added
Plate barding armour removed
Plate mail armour added
Arbalest added
Hussar added
Siege onager removed
Siege engineers removed
Siege ram added
Khazars
Towers no longer shoot 15% faster
Masonry and Architecture are free
Bombard tower removed
Manchu
Cavalry archers can no longer be created from the stable
Economic upgrades are available an age earlier
Non-elite Catapults +1 range
Previous imperial age UT replaced with Fire Medicine - Fortifications do blast damage, 600 gold + 1000 food
Hand cannoneer added
Bombard tower added
Masonry removed
Hoardings removed
Mississippians
Militia line upgrades are no longer free
Towers shoot 15% faster
Nepalese
Can now also build universities in feudal age
Miners no longer have +10 carry capacity
Nubians
Team bonus changed to: Lancer available at the stable in the castle age
Caravan is free
Thai
Previous castle age UT replaced with: Conviction - All units have gain a small amount of resistance to conversion, 200 food + 200 gold
Patch 1.6
11 new civs added!
Araucans
Bengalis
Javanese
Kongolese
Somalis
Songhai
Toltecs
Uyghurs
Vandals
Vlachs
Waris
Afghans
Trebuchets now create 30% faster
Insurgents cost and effect changed to: Trebuchets can be created from siege workshops, 600 wood + 400 gold
Team bonus change so that outposts no longer have +2 LOS
Bantu
Guilds removed
Spearmen no longer have -10 hp in dark age
Caribs
Guilds removed
Architecture added
Fortified walls added
Chola
Stone shaft mining removed
No longer start with +150 wood
Can now build plantations in the feudal age
Dutch
Demolition ships no longer have +2 LOS
Can now build bakeries in the feudal age
Stone shaft mining removed
Bastion effect changed to Gunpowder units are 50% more accurate
Georgians
Monaspa
Speed increased from 1.35 to 1.45
Gains +10 attack vs gunpowder units
Armour decreased from 2/2 to 1(2)/2
Cost changed from 60 food + 60 gold to 90 food + 30 gold
Elite upgrade cost decreased from 1000 food + 500 gold to 600 food + 500 gold
+4 attack vs rams now requires the elite upgrade
Elite Monaspa hp decreased from 120 to 100
Rate of fire increased from 2 to 1.8
Royal Guards now gives Monaspa +50 hp
The discount for monk cost is no longer increased to 25% in Imperial age
Camels removed
Helvetians
CA UT effect changed to: Spearmen now have +6 spearmen armour
Can now create cows from the mill
Stone mining is no longer free
Team bonus changed to Monks +2 LOS
Iroquois
Blast furnace can be researched in the castle age
Guilds removed
Kanembu
No longer have access to stables/scouts in the dark age
Military units cost -10/15/20/25% food per age
Lose Bloodlines
Lose Hussar
Khazars
Cavalry archers no longer create 20% faster
Stable technologies doesn’t cost gold
Now have access to Steppe Lancers
Manchu
Now have access to Steppe Lancers
Thumb ring is no longer free
Scorpions now have no minimum range
Gunpowder units now move 20% faster
Mississippians
Villagers can no longer gather from fish traps
Fish traps work 30% faster, up from 15%
Eagle warriors now move 10% faster
Castle age UT changed to: Thunderbirds - Infantry +8 infantry armour, 300 gold + 600 food
Imperial age UT changed to: Platform mounds - Tower stone cost replaced by wood, 400 stone + 200 food
Guard tower and keep removed
Masonry and architecture removed
Arrowslits removed
Falcon warriors movement speed increased from 1 to 1.1
Nepalese
Yak riders rate of fire increased from 2 to 1.8
Polynesians
Maori Warrior
HP increased from 45(55) to 60(80)
Armour decreased from 1(2)/2(4) to 0/2(4)
Attack bonus vs standard buildings removed
Economic buildings no longer construct 30% faster
The resources returned upon villager death civ bonus is increased to 50%, and applied to all economic units
Fish now last 50% longer
Thai
Receive an additional +50 stone per age for a total of 100 stone and 100 wood per age
Patch 1.7
Afghans
Technologies no longer research faster
All units now have +5 hp
Nepalese
Archer armour upgrades are no longer free
Songhai
Lots of changes, redo completely