Changes this update:
E9) Principle: Units should not be different from their Merc/Aux equivalents without reason. Change: Germanic Scout Riders changed from cavalry shields to Germanic cavalry shields. (+10 Defence, -10 Armour). 1 line changed. From L. Romanista.

G6) Principle: Buildings should not get less effective when you increase their level. Change: Armenian Heavy Horse Studs (L2 stable) typo removing 2x Persian Cavalry garrison corrected. 1 line changed. From Areus.

Change this update:
G5. Principle: Buildings should not get less effective as you increase their level. Change: Roman Naval Port (Emperor campaign) level 4 Bireme garrison ships changed to Quadremes. 1 line changed. From L. Romanista

Changed this version:
H2. Principle: Units should be able to play their campaign units in custom battles. Change: A change from patch 16 typo days added back: Bactrian Eastern Spears in multiplayer changed to Garrison variety, same as that faction has in the single player campaign. 1 line changed. From BruceR

Changes this update:

C3. Principle: Units should be equivalent to their Merc/Aux varieties unless there's a reason. Change: unit special abilities synched with their Merc/Aux varieties. 30 lines added. From BruceR, L. Romanista
--Parthian Horse Archers and their merc version get Precision Shot
--non-Merc Cretan Archers and Rhodian Slingers get Quick Reload
--Aux and Merc Sarmatian Horse Archers, Aux and Merc Scythian Horse Archers, and Aux and Merc Armored Horse Archers get Cantabrian Circle
--Aux and Merc Persian Cavalry get Form Diamond
--Aux and Merc African and Arab Spears and Merc Thureos Spears get Form Square
--Socii Extraordinarii get Testudo
--Aux and Merc Spear Brothers get Wedge
--Aux and Merc Iceni Scout Riders, Celtic Light Horse, Gallic Light Horse, Iberian Cav and Illyrian Cav get Frenzied Charge.
--Merc Wolf Warriors get Frenzy
--Merc Gorgos Skirmishers get Quick Reload

E8. Principle: Units should be equivalent to their Merc/Aux varieties unless there's a reason. Change: Aux Celtic Light Horse given javelins. 1 line changed. From BruceR

Incorrect change to Royal Peltast special abilities reversed.

Changes this update:

M. Historical characters
M1: Principle: historical characters' birth and death dates should be accurate unless there's a good reason. Changes:
--Crassus will now appear
--Ptolemy (Cleopatra's father) will now appear for Egypt
--Hannibal's appearance dates in Grand Campaign corrected
--Death dates corrected for Octavian, Horace
--Appearance dates corrected for Dolabella, Attalus Soter (Pergamon), Archimedes, Hiero (Syracuse), Acrotatus (Sparta), Boiorix (Cimbri), Phraates (Parthia)
12 lines changed. From BruceR

First cohort changes (E7) also extended to first cohorts in Emperor Campaign. 1 additional line changed.

Changes this update:

E7. Principle: Elite versions of units shouldn't have as good or better stats as the original unit without reason. Change: Roman First and Eagle Cohorts mass and charge increased to legionary values. Bonus HP reduced by 5 to offset the mass-based HP gain. 2 lines changed, +3 lines in main units to update unit card weights. From BruceR