Latest playtest 20130128 has the following changes.
Engine:
Removed mouse capture while composing text in chat
Allow classic left-click mouse orders (optional)
Asynchronous loading of minimaps in the map chooser dialog
Fix bots being able to become admin status on dedicated servers
Spawnpoint map tooltips now display players name in lobby
Fixed word wrap when chatting ingame
Added a tooltip that shows provided and drained power
Allow MOTD to be fetched from file for dedicated servers
Changed scroll velocity in map chooser to be better suited for mouse scrolling
Fixed grounded airplane not landing properly when ordered to another airstrip or service depot
Added per player shrouds (units can't shoot enemies covered in unexplored terrain)
Don't hardcode READY/HOLD and custom prerequisites anymore for easier translation
Removed sound attentuation for PlayNotification sounds - fixes the Extreme cashtick sounds
Editor:
Map editor now saves and loads from OpenRA user folder
Fixed map editor failing to import legacy maps
Template categories are now ordered by what is specified in the tileset yaml
Added terrain category types to RA Snow tileset
Fixed terrain categories for two river tiles in RA Temperat
Add terrain category types to RA desert tileset
Fixed wrong palette remapping for neutral buildings
Red Alert:
Added Allies03 mission
Added Allies04 mission
Added Soviet01Classic mission
Allies02 mission - reduced difficulty of the 16 minute reinforcements
Allies02 mission - can build medic and spy at captured barracks
Added Desert tileset - original and new tiles ported from Tiberian Dawn by Harrison, code by Matt
Fixed graphics for craters for Snow maps (art by MrFibble)
Ice Floe actors work in maps now (sequences were missing)
Brought back music track "Mud" into the playlist
Replaced supply truck graphics with aftermath SHP which has a shadow (via Arda)
Added hotkeys for aircraft, vehicles, ships, infantry
Fixed broken shadows on GPS dot
Fixed Chronotank teleport causing a desync
Fixed replay crash when a Chronotank tries to teleport
Fixed Chronotank death causing a crash before teleporting
Fixed maps Chaos Canyon and Bomber John
Added map: Room Convergence (Sunny Sproket)
Added map: Ghost Town (hamb)
Updated map: Bombardment Islands (czech army)
Added mechanic
Added in-game player statistics for observers
Added support for map difficulties Oil derricks are now repairable by engineers
Added new map: "Bad Neighbors" (Nukem)
Renamed airstrip to airfield in tooltip.
Don't remap civilian buildings/fields in-game.
Balance:
Added missing line of sight for Chronotank
Chronotank damage upped from 20 to 30 per rocket and damage improved vs heavy armor
Demo truck cost from 1500 to 2500
Demo truck health from 110 to 50
Demo truck speed from 8 to 6
Disguised spies are now invisible under enemy GPS
Heroes and missile silos are now limited to one per player
Volkov got a new armor type: cybernetic for individual balancing
More health points for Volkov to make him the 4tnk equivalent of infantry
Medics can't heal Volkov, send him to repair pad or mechanic instead
Dogs can't eat Volkov and tanks need two attempts to crush him
Reworked Volkov death sounds/animations (Cyborg version from German RA)
C&C:
Corrected music.yaml track titles
Fix wrong civilian field remapping in-game
Dune 2000:
Merged the Rounded Edges Mod by Jes and Bellator:
Bibs have been removed Building offset and selection boxes adapted
Units and turrets leave husks
Siege tank barrel won't rotate anymore
AI capable of building all units using all queues
Bullet traces
Windtrap and IX Research building animations
New unit balance (mix of Dune II, Dune 2000 and Red Alert)
Repair pad animation
No more obsessive "silos needed"
Defense building queue -> heavy armor queue
Medics (using thumper graphics)
Aircraft are no longer buildable
Harvesting has been slowed down
Replaced blank shellmap with random multiplayer stills
Starport requires energy to operate