The official blog has posted the tentative notes for an upcoming 3.19.1 balance patch for Dawn of War II: Retribution. The patch will be released "soon" and so far includes a small number of balance changes, most notably giving us cheaper walker vehicles and revamping the Catachan Devils squad:
General[]
- Special attacks which were set to ability_knockback have been changed to weapon_knockback
Chaos Space Marines[]
- Chaos Lord Blood Maul cost changed from 150/50 to 150/35
- Chaos Dreadnought cost reduced from 450/140 to 410/120
- Plague Marine missile snare reduced from 40% to 25%
Eldar[]
- Wraithlord cost changed from 420/120 to 400/100
Imperial Guard[]
- Catachan total squad size reduced from 7 to 5
- Catachan entity health scaled to 210 per entity
- Catachan shotgun damage scaled from 20 to 30
- Catachan melee damage scaled from 20 to 30
Tyranids[]
- Tyrant Guard move speed increased from 3.5 to 4
- Ravener Alpha Acid Splatter cost reduced from 135/30 to 120/20
Orks[]
- Ork Deff Dread Burna upgrade cost changed from 180/20 to 160/20
- Ork Battlewagon main cannon damage reduced from 200 to 170
- Ork Battlewagon rotation rate increased from 30 degrees per second to 40 degrees per second
Space Marines[]
- Dreadnought cost reduced from 500/140 to 450/120
- Force Commander Armor of Alacrity cost increased from 110/20 to 120/30