The 1.21 patch for Combat Mission: Shock Force. This will update any game from version 1.10 onward to 1.21. Note that this is the Battlefront.com edition. So only get this if you downloaded your copy from that site.
Combat Mission Shock Force v1.21 features
o Soldiers on rooftops receive better cover.
o Speed difference between Fast and Quick moves is slightly increased.
o Soldiers tire more quickly moving across difficult terrain or in very hot weather.
o Split teams that are in close proximity but on different vehicles will not attempt to join.
o Teams that rejoin will retain the target orders of one of the teams instead of erasing them all.
o Buddy-aid will not pick up heavy weapons from a different Team.
o Passengers manning a vehicle weapon may use it even if the crew has bailed out.
o Top gunner in a Humvee can use a personal weapon if his vehicle-mounted weapon is out of action.
o Vehicles do a better job using alternate crew to replace MG gunners who become casualties.
o Tanks won't waste APFSDS ammo on lightly-armored targets when alternative ammo is available.
o Refinements to vehicle damage from mines.
o Added radio to UAZ vehicle.
o Bradley IFVs and CFVs carry some 40mm grenades for their passengers.
o Vehicles move more smoothly in PBEM and hotseat replay.
o Times to set up SPG-9 and most ATGMs are reduced.
o Powerful projectiles like sabot can penetrate trees and be slightly deflected rather than stopped.
o Heavy weapons set up near the edges of buildings won't drop to the ground after an explosion.
o Corrected a small problem where automatic weapons had a pause between the first and second rounds that was slightly longer than it should have been.
o MGs on bipods are a bit more stable than before.
o Corrected a rare instance where ATGMs could fly too low and hit the ground when they should not.
o Roads are smoother when traversing rough ground or steep slopes.
o Large rocks (flavor objects) are more of a deterrent to navigate over.
o Flavor objects tilt to fit slopes when necessary.
o Trees are less resistant to damage from heavy artillery.
o Updated behavior for artillery/air support time-to-target. Conventional Red formation leaders are now allowed to call in artillery from batteries at battalion level or below (e.g. light mortars).
o Corrected some issues affecting artillery arrival time after target adjustment.
o Corrected the display of artillery mission type in PBEM games.
o Artillery battery and aircraft pilot voices use the correct nationality when they differ from that of the spotter.
o Troops may be given simultaneous Hide and Face commands, but changing facing often requires a soldier to change position slightly, during which time he will not be "hiding".
o When acquiring missiles from a vehicle, it is now possible to take the last missile without its reloadable launcher (e.g. Javelin).
o "Scenario Author Test" may be selected as a Skill Mode (1-player only). It will cause all enemy units to be fully displayed to the player, but not additionally "known" to player's troops.
o AI Plan #0 can be deactivated in the editor provided at least one other plan is active.
o In the map editor, some buttons were shifted from "Flavor Objects #1" to "Flavor Objects #2".
o Corrected some small issues with elevation controls in the editor.
o Large saved games that take longer to load do not advance the game clock in the process of loading.
o Corrected a slow framerate problem on the first PBEM turn.
o Small bullets kick up a tiny bit of dirt and dust when they hit ground.
o Computer-player air strikes aim at smaller areas, reducing friendly fire.
o Corrected a problem where some ATGM teams would appear to leave their ATGM launcher temporarily behind when embarking on a vehicle.
o Corrected a problem that caused the turn-based computer player sometimes not to dismount troops fully when instructed by the scenario AI plan.
o Corrected a PBEM synchronization problem caused by saving and reloading the game.
Marines Module Only
o US Marines sometimes have M203 grenade launchers instead of M32, especially at lower Equipment Quality settings.
o Added US Marine Mk11 sniper rifle (equivalent to Army M110).
o The US Marine sergeant in the scout team wears infantry gear, not vehicle crew gear.
British Module Only
o Jackal GMG (aka grenade launcher) can now be found in the Fire Support Section of the British Infantry Rifle Company, when the equipment rating is good (otherwise they get a WMIK).
o Loader on Challenger 2 Enhanced will not reload the top-deck MG unless ordered to unbutton.
o Warrior has slower (hand-cranked) gun elevation.
o Gunner in LMTV will use his personal night-vision gear when appropriate.
o LMTV carries more passenger weapons and ammunition.
o British Engineer Troop has 3 TUM ST vehicles, not 6.
o Corrected a problem with a US IBCT soldier carrying a British rifle.