“Duplicate unit detected” (Luke) -this new error check would mis-report a bug for the player character if there was an acting version of it present. (e.g. The player character was Out of Action).
Cottonbalers Anzio 2 had annoying very frequent soft error: “non overlapping victory conditions” (Daniel, Henk, Luke)
AI was not always activating all of the units in a given organization in certain circumstances (Luke) - specifically if they were being maneuvered aggressively (“maneuver_offensive”) . Likely effected scenarios: Anzio Beachhead 2, Montelimar, Vye Les Lures, Siegfried Line. And in Three Nations: Benouville and Meyers Hill.