China:
(Nerf) Reduce “Tea Export” bonus to + 0.30 export/sec (from +0.40 export/sec)
Malta:
(Buff) Reduce cost of Commandery from 250w/100c to 250w/75c.
(Buff) “2 Church Wagon” also slightly increases the XP of churches by 20%, from .70/sec to .84/sec.
(Buff) Reduce cost of German Tongue from 450w to 425w.
Italy:
(Nerf) Increase cost of Architect from 170c to 190c.
(Nerf) Decrease Lombard HP from 3,000 to 2,500.
USA:
(Nerf) Increase Gatling Gun cost from 100w/250c to 100w/275c.
(Nerf) Decrease Marine Siege damage from 55 to 48.
(Nerf) Give +10xp per Marine kill.
Portugal:
(Buff) Add “Town Centers also support +5 population” to Logistician bonus.
(Buff) Give +50f each Age-up.
Ottomans:
(Neutral, QOL) Change Abus Gun RoF from 3.5s/per hit to 3s/per hit but nerf their base attack to 36.
(Buff) Reduce cost of second and third mosque upgrades from 125w to 100w, and from 300w to 250w.
(Nerf) Reduce starting food crates by 50.
India:
(Nerf) Increase house cost by another 5w.
(Buff) Give an age 4 card that decreases all unit training time and cost by 15%.
Haud/Iro:
(Nerf) Reduce speed of “Age-up Fast” option from Age I to II by 5 seconds.
Japan:
(Nerf) Reduce Ashigaru movement speed to from 4.5 to 4.4.
Russia:
(Buff) Reduce Settler food cost from 260f to 255f.
Aztec:
(Nerf) Reduce spawn rate of warriors by 15%, decrease max HP to 180.
(Nerf) Eagle Runner Knight: Reduce base damage by 1.
Inca:
(Buff) Decrease cost of Kancha house from 180w to 175w.
Sweden:
(Buff) Revert Settler Build Limit back to 99.
Hausa:
(Nerf) -50f starting crates
Adding more as I think of them.