Updates to Company of Heroes Beta have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

General
Fixed a bug where grenades had a chance to miss their specified location
Fixed a bug where call-ins could be refunded in certain circumstances
All base buildings will now reinforce infantry
Certain vehicles that were missing vehicle cover were given it: M4 Sherman, M4 Sherman Crocodile, M4 Sherman Calliope, Bren Carrier, Stuart Light Tank, Tetrarch Light Tank, Staghound, Cromwell, Sherman Firefly, Kangaroo, and Cromwell Command Tank

American
M8 Armored Cars called-in by Offmap Combat Group now come equipped with their upgrades
M18 Hellcats called-in by Offmap Combat Group now come equipped with their upgrade
Offmap Combat Group minimum population requirement increased from 12 to 15 (temporary behaviour: the ability needs to target a unit or building to be used)
57mm Anti-Tank gun reinforcement cost reduced from 71 to 26
57mm Anti-Tank Gun accuracy vs infantry reduced from 0.15 to 0.05
57mm Anti-Tank Gun accuracy vs snipers reduced from 0.15 to 0.02
57mm Anti-Tank Gun priority vs snipers reduced from 10 to 5
Fixed a bug where the M10 Tank destroyer had incorrect veterancy requirements. Now matches standard tank values

Commonwealth
17 Pounder accuracy vs infantry reduced from 0.15 to 0.05
17 Pounder accuracy vs snipers reduced from 0.15 to 0.02
17 Pounder priority vs snipers reduced from 10 to 5
Numerous changes have been made to Lieutenants with the intention of making British veterancy better able to contend other faction veterancy. Details below
Lieutenants now receive a 0.85 received damage modifier at veterancy level 1
Lieutenants' received accuracy modifier at veterancy level 2 reduced from 0.9 to 0.75
Lieutenants now receive a 0.75 received accuracy modifier at veterancy level 3
With increased lieutenant survivability, stacking unvetted lieutenants has been made less effective, while stacking vetted ones has been made more effective. Details below
Lieutenants' aura's stackable damage modifier at veterancy level 1 has been reduced from 1.125 to 1.04
Lieutenants' aura's non-stackable damage modifier at veterancy level 1 has been increased from 1.025 to 1.11
Lieutenants' aura's stackable damage modifier at veterancy level 2 has been increased from 1.025 to 1.065
Lieutenants' aura increased from 30m to 35m

Wehrmacht
Axis Medic Station body count decreased from 5 to 4
Geschutzwagens can now be salvaged by pioneers
Kampfkraft Center now requires a base structure (other than the HQ) or a Forward Barracks before it may be constructed
Panzerschreck moving accuracy vs tp_vehicle_allies_m8_greyhound reduced from 0.9 to 0.8
Panzerschreck accuracy vs tp_vehicle_allies_m8_greyhound increased from 0.73 to 0.85
Pak38 reinforcement cost reduced from 57 to 23
Pak38 accuracy vs infantry reduced from 0.15 to 0.05
Pak38 accuracy vs snipers reduced from 0.15 to 0.02
Pak38 priority vs snipers reduced from 10 to 5
Flak88 accuracy vs infantry reduced from 0.5 to 0.15
Flak88 accuracy vs snipers reduced from 0.25 to 0.05
Flak88 priority vs snipers reduced from 10 to 5
Fixed a bug where the Pak38 and Nebelwerfer were unable to use medkits unless recrewed

Panzer Elite
G43 maximum cooldown decreased from 1.8 to 1.65
G43 minimum cooldown decreased from 1.25 to 1.15
Munitions Halftrack fuel cost removed
Munitions Halftrack no longer has the ability to reinforce
Panzer Elite Armored Car health decreased from 260 to 220
Panzer Elite Armored Car now receives a 20hp bonus at vet level 2
Panzer Elite Armored Car now receives a 20hp bonus at vet level 3
Panzer Elite Anti-Tank Halftrack Tread Breaker ability cost increased from 40 to 50 munitions
Panzer Elite Scout Car detection radius increased from 9 to 18
Anti-Tank grenades that collide with enemy vehicles will now detonate on impact
Fixed a bug where Teller Mines would sometimes fail to damage vehicles in vehicle cover
Fixed a bug where Hotchkiss' did not share veterancy with other Panzer Elite units
Fixed a bug where Hetzers and Jagdpanthers would not reward reasonable experience on death. Changed to be in-line with other armor
Fixed a bug where the Panther Battle Group would sometimes fail to bring in the second Panther (temporary behaviour: the ability needs to target a unit or building to be used).