v0.5.5 Alpha:
*Added in gold "Flak" Hunters, courtesy of Autarch Katherlyn. They act similarly to their YAH3R counterparts.
*Increased allied AI aggression with PRs, Plasma Pistols, and Needlers slightly.
*Increased allied Hunter aggression and accuracy slightly.
*Other miscellaneous AI fixes.
*Slight damage increase for the Plasma Cannon and smaller mounted MG.
*Shadows only regenerate up to 40% health, down from 45%.
*Added in Flak Hunters to Metropolis, Delta Halo, Regret, Gravemind, and the Great Journey.
*Johnson should get off his turret on Cairo Station once you move into the hall past the first waves of enemies.
*The Elite Ultra at the end of Cairo Station will always spawn dual-wielding.
*Removed some Honor Guard Ultras on Regret in favor of standard Honor Guards.
*Shifted around the spawn of a Honor Guard Ultra on Gravemind.
*Etc.

v0.5.4 Alpha:
*Slightly increased Needler starting error when dual-wielding.
*Slightly increased Spectre turret damage.
*Adjusted Shadow driver damage transfer values to make them less vulnerable.
*Increased the radius to get onto the Shadow's turret a bit.
*Added more enemies to cove encounter on the Great Journey.
*Etc.

v0.5.3 Alpha:
*Increased the amount of Infection Forms "dropped" by Carrier Forms by 1. (11, up from 10.)
*Slightly increased Flood Combat Form health.
*Etc.

0.5.2 Alpha

0.5.1 Alpha:
*Increased BR and Pistol damage vs. non-player shields slightly.
*Increased the strength of the Plasma Pistol's tracking shot slightly.
*Made Vengeful 'Vadam get into the Spectre's passenger seat at the start of Great Journey instead of just wandering freely.
*Etc.

Alpha 0.5:
*First public release.