Free classic RTS OpenRA mod 'Command & Conquer - Combined Arms' has a huge overhaul

# General
- In Multi-Queue Scaled mode (now renamed "Competitive") buildings and defenses are single-queue.
- Gem density increased from 3 to 8. Value reduced from 50 to 38. Blue Tiberium changed to match (worth 1.5x ore/green Tib, down from 2x, but exhausted more slowly).
- Construction Yard, War Factory and their equivalents take 15% reduced damage from aircraft.
- Added a minimum distance to paradrop powers so they don't emerge instantly near map edge.

# Faction Changes

## Allies
- New "Coalition" system.
- New Allied structure "Allied HQ" which is required for choosing a coalition.
- 3 coalition countries to choose from:
- Greece: Zeus Artillery, Helios Bomb support power, Hoplite (replaces Enforcer).
- Sweden: Cryo Trooper, Cryostorm support power, Cryo Rockets applies to Longbows (not the case by default anymore).
- South Korea: Black Eagle, Patriot Strike support power, Improved Helipad (repairs without SD, increased HP).
- New unit: Enforcer. T3 infantry with high HP and light armor, and armed with a short range shotgun.
- Chrono Harvester upgrade now requires Allied HQ instead of Ore Purifier.
- Advanced Ore Processing upgrade removed.
- Ore Purifier HP reduced from 120k to 100k. Power requirement reduced from 150 to 100. Grants +15% income (up from 10%).
- Peacemaker requires Allied HQ instead of Tech Center.
- Removed SEAL C4 cooldown. Restore auto targeting buildings in attack anything stance.
- Increased Raider APC damage vs light armor & defenses.
- Increased Harrier speed. Reduced HP from 25k to 22.5k. Increased damage vs infantry, light armor and aircraft.
- Increased Black Eagle speed & damage. Increased cost from 1600 to 2000. Increased ammo from 2 to 3.
- Increased projectile speed of AA Gun.
- Rocket Soldiers with Cryo Rockets no longer apply chill to buildings.
- Reduced Peacemaker splash radius vs infantry. Reduced turn rate slightly. Reduced HP from 40k to 36k.
- Entrenchment upgrade moved requires Radar Dome rather than Tech Center. Increased cost from 750 to 1000.
- Engineer entrenchment deployment time reduced from 5s to 2s. Walls can also be built within radius.
- Reduced IFV and Missile IFV damage vs buildings and defenses.
- Renamed Cryo Rockets to Cryo Warheads.
- Removed USA's Cryo Missile upgrade (Nighthawk & Strafing Run gain their missiles from Cryo Warheads).
- Added "Advanced Airborne Training" upgrade for USA. Reduces build time of airborne (dropped) units by 25% and grants them rank 2 veterancy.
- Increase Battle Fortress HP from 130k to 135k.
- Chrono Tank & Chrono Prison can no longer teleport while chronoshifted by Chronosphere.
- Mirage Tank replaces Scout Tank instead of Medium Tank for England (rebalanced accordingly). Deals additional damage when firing from disguised state.
- Gap Generator (structure) is able to fire beam at aircraft as well as ground units.
## Soviets
- New "Doctrine" system.
- Player gains ranks via experience, and
- 3 Doctrines to choose from:
- Infantry: Troop Crawler 1★ unit. Overlord Tank 3★ unit (upgrade for Mammoth Tank). Cloning Vat T4 structure. Heroes of the Union support power (2★). Improved Paratroopers/Mutation Bomb upgrades (2★).
- Armor: Rhino Tank 1★ unit (replaces Heavy Tank). Apocalypse Tank 3★ unit (upgrade for Mammoth Tank). Industrial Plant T4 structure. Tank Drop support power (2★). Reactive Armor upgrade (for Rhino Tank & BTR) (2★).
- Artillery: Grad 1★ unit (replaces Katyusha). Nuke Cannon 3★ unit. Munitions Plant T4 structure. Kill Zone support power (2★). Rocket Pods upgrade (for Grad & Hind) (2★).
- New unit: Rad Trooper (Iraq only). Precursor to Desolator. Replaces Shock Trooper. Upgradeable to Desolator.
- New unit: Tesla Trooper (Russia/Ukraine/Yuri). Upgrade for Shock Trooper.
- New upgrade: Terror Dog. Attack Dogs have explosives attached to them, allowing them to damage vehicles and buildings.
- Commissar buff bonuses reduced slightly. Now has an additional level; second level can be granted by a combination of a Commissar and either an Overlord or Troop Crawler.
- Desolator - New appearance. Reduced time between pulses when deployed.
- Removed V2 Upgrade for Katyusha.
- Added V3 Upgrade (upgrades V2 to V3).
- Rapid Industry upgrade removed.
- Industrial Plant & Apocalypse Tank only available with Tank Doctrine.
- V2/V3 damage increased. Splash radius reduced. V2 range increased by 1, projectile speed reduced. V2 cost increased from 850 to 900.
- Increased AA projectile speed of BTR & Gattling BTR.
- Reduced Flamethrower speed.
- Katyusha reload time reduced. Damage per missile reduced.
- Boris airstrike will spawn at a fixed distance from the target, and will be cancelled if the laser is no longer on the target.
- Increased Apocalypse Tank HP from 110k to 125k. Reduced damage from 17.5k to 15.8k.
- Reduced Tesla Tank damage vs heavy armor.
- Chaos cloud duration reduced from 12 seconds to 10 seconds.
- Reduced Chem Tower rate of fire.

## GDI
- New unit: Zone Trooper. Bombardment only. T3 infantry with a jetpack, armed with a railgun.
- New unit: Zone Raider. Seek & Destroy only. T3 infantry with a jetpack, armed with a sonic grenade launcher.
- New unit: Zone Defender. Hold the Line only. T3 infantry with a defensive shield ability, armed with an ion rifle.
- JumpJet Trooper/Bombardier - New appearance. Reduced HP from 8k to 6k. Increased damage vs infantry and light armor. Takes additional damage from Rocket Soldiers and Disintegrators.
- X-O Powersuit now on vehicle queue and only available to ZOCOM (still available to Talon via X-O Drop). Replaced machinegun with coilgun. Added leap ability. Reduced damage vs infantry, increased vs light armor. Increased range by 2. Reduced HP from 32k to 26k.
- New unit: Wolverine. Available at T3 for Talon only.
- Pitbull now available at T3 for Eagle only. Can attack aircraft. Rockets apply short duration blind.
- New unit: Jackknife. Available at T3 for ARC only.
- Mobile EMP now immune to EMP. Increased turn rate. Reduced shockwave delay from 2s to 1s.
- Increased AA projectile speed of Vulcan & static AA.
- Increased Guardian Drone projectile speed and damage vs light armor.
- Reduced Upgrade Center cost from 2000 to 1800.
- Reduced Disruptor HP from 70k to 66k. Increased cost from 1400 to 1600.
- Increased Battle Drone damage (so DPS matches Battle Tank).
- Don't apply seek and destroy speed bonus to Aurora's while afterburner enabled.
- Reduced Orca Bomber HP from 38k to 32k.
## Nod
- New upgrade: Laser Tanks. Gives Light Tank/Battle Tank a laser weapon. Increased damage vs infantry/light armor, reduced vs heavy armor.
- Rhino replaced with Cyclops.
- Pitbull replaced with Basilisk.
- Black Eagle replaced with Phantom.
- Howitzer - Significantly increased projectile speed. Reduced splash radius.
- Mantis - Now takes reduced damage from aircraft. Increased mobility.
- Increased Vertigo damage vs defenses. Decloaks 2 cells closer to target.
- Chem Mortar deals additional damage vs cyborgs.
- Increased Kamov damage.
- Increased Cyberscrin health and beam sweep length.
- Black Hand Trooper HP increased from 13k to 16k.
- Reduced Airstrip HP from 220k to 200k.
- Increased rate of fire of Cyborg Elite Reckoner by 20%.
- Subterranean Strike now unloads 3 Acolytes, 1 Rocket Soldier, 1 Flamethrower, instead of 4 Acolytes (3 Templar, 1 Reaper, 1 Chem Warrior with Temple Prime).
- Shadow Operatives throw Shadow Beacons rather than plant them, and have 2 instead of 1. Increased pistol rate of fire slightly.
- Inferno Bomb charge time increased from 6:00 to 6:30.
- Reduced Hacker range by 1.
- Reduce Comanche HP from 18k to 16k.

## Scrin
- New "Allegiance" system. Once 4 Refineries are built, player can choose either Loyalist or Rebel allegiance.
- New upgrade (Loyalist only): Eviscerator. Upgrades Ravagers, increasing their HP and rate of fire, at the cost of reduced speed and higher price.
- New upgrade (Rebel only): Impaler. Upgrades Ravagers, increasing their HP, range, and giving them high single-target burst damage that slows targets, at the cost of reduced speed and a higher price.
- New unit (Loyalist only): Obliterator. Heavy artillery whose projectile damages everything it passes through.
- New unit (Rebel only): Nullifier. Heavy long range hover tank which blinds targets. Strong against infantry and light armor.
- New support power (Loyalist only): Overlord's Wrath. Calls down a Tiberium meteor.
- New support power (Rebel only): Gateway. Opens a wormhole that sends waves of reinforcements.
- New unit: Watcher. Cloaked when not moving. Can tag enemy vehicles and structures so that they temporarily provide vision. Gains blink with upgrade.
- Reduced Ravager HP. Will now prone (not proning was an odd exception, only Nod cyborgs don't prone, along with Brutes, Dogs and Bursters due to being melee).
- Increased AA projectile speed of Gun Walker.
- Increased Atomizer projectile speed.
- Increased Devourer damage vs light armor.
- Reduced Signal Transmitter cost from 2000 to 1800.
- Reduced Burster cost from 600 to 550. Increased speed from 80 to 92. HP reduced from 7k to 5k. On exploding, will only do 25% damage to other Bursters.
- Ion Surge moved to Tech Center.
- Increased Greater Coalescence healing rate.
- Buzzer Swarm applies blind to any units caught within it.
- Interlopers gain shields with Shield Generation upgrade (renamed from Fleet Shields).
- Reduced Intruder splash radius slightly.
- Reduced Stormrider price from 1750 to 1650.
- Increased PAC damage by 10%.
- Suppression Field radius vs aircraft increased slightly (as it can be hard to target moving aircraft).
- Reduced Gun Walker & Shard Walker HP from 33k to 31k, and 40k to 38k respectively.
# Fixes / Misc
- Fixed content installation sources. Added Steam Ultimate Collection as a content source.
- Added CA music to main download. Added Retaliation tracks.
- Use player colour for all range indicators where owner is significant.
- Fixed Hackers not undeploying if target dies or changes owner while hacking.
- Fix queued orders cancelling Aurora afterburner.
- Mission 9/10/18 crash fixes.
- Fixed Jamming Field blocking building repairs.
- Fixed Tomahawk not firing when attack moving.
- Fixed decoys crushing fences.
- Fixed driverless transports moving around.
- Fixed glitchy rift fade out animation.
- Fixed Rocket Soldier rate of fire not being increased by Commissar buff.
- Fixed incorrect stolen tech unlock for Nod from a Legion Weapons Factory.
- Fixed Chrono Harvesters being emptied at the point they're upgraded.
- Upgrades tab will remain accessible after all upgrades are completed.
- Fixed Subterranean APC unloading being interrupted.
- Fixed Tripod beams not doing full sweep in melee range.
- Fixed Shock Troopers auto attacking disguised spies.
- Fixed PACs/Devastators being destroyed when a slave is freed directly beneath them.
- Fixed Grizzly Tanks shooting while parachuting.
- Fix Composition Tournament for 5+ players.
- Player coloured selection box for disguised spies.
- Leechers no longer heal via crushing husks.
- New beacon notification sound.
- Fixed Harvesters not upgrading to Chrono Miner if given an order at the exact moment the upgrade completes.
- Added large parachute for vehicle drops.
- Support power buttons are scrollable if they would previously continue off the screen.