* 3D engine
** Increased framerate at large maps
** Added simplified shaders to support low-end hardware
** Many minor improvements

* Ports
** Windows: Fixed freeze at the end of a game if server threads were activated
** Mac OS X: Fixed package bug - ensure that the used frameworks are part of the dmg

* Code
** Rescue zone for dropships where soldiers will  survive at mission abort
** Character statistics and actor skin descriptions are now scriptable
** Added cgame (client side modding) support - and converted skirmish and multiplayer. It is now possible to add new new client side shared objects to add new gametypes.
** Support for game modding via fs_gamedir cvar.
** Improved and faster renderer.
** Rewritten RMA-algoritm. Now it is faster and does not hang up the game for some assemblies.
** Added a ''simple campaign'' cgame type with a fixed number of missions and in a fixed order.

* Campaign
** Production requirements support
** Rescue missions: Rescue soldiers of your downed dropships!
** Support for more than 64 aircraft
** Ensure base connectivity
** Support for bigger base buildings (2x2, 3x1, etc.)
** Allow production costs independent from market prices
** Extend building event trigger support (to run events on constructing/destructing/enabling/disabling)
** Allow switching the base not only from the main base menu, but also from any of the base's submenus
** Sort the aircraft list for interception and mission popups by distance to the target
** Show 2 different aircraft models depending on aircraft status (en-route/landed)
** Implemented better auto-mission handling
** Select soldiers to fight in base defense
** Implemented transfers between UFO Yards
** Distance penalty for disassemblies. Disassembling a UFO stored far from the base will take longer.
** Implemented listing of actual cargo transfers
** Exit Confirmation pop-up for the campaign mode
** New alien base map
** New, higher quality basemapshots

* Battlescape
** Added support for armour penalty. Heavy armour decreases available TUs now.
** New battle mode: Alien rush (endless-alien-respawn-feature).
** World entity interaction with the mouse is now possible (e.g. open doors)
** Improved camera behaviour accessible via middle mousebutton
** Highlight entities that can be used by an actor (e.g. doors)
** Implemented smoke grenades
** Implemented fire fields for incendiary grenades and rockets
** Reworked and enhanced civilian teams (nations)
** Added possibility to use "special civilian teams" on certain maps
** New civilian teams (scientists, workers, miners, soldiers)
** Randomspawn of the enemy is now enabled on many maps

* Skirmish
** Allow to edit, load and save your skirmish teams

* Map and map tool improvements
** New (map) entities:
*** trigger_rescue
*** trigger_nextmap
*** misc_fire
*** misc_smoke
** New maps
*** alien base
*** +beach
*** bungalow
*** bungalow2
*** +city2
*** city_industrial
*** gate
*** +harbour2 RMA theme
*** +hills RMA theme
*** +mansion
*** neighbourhood
*** small_house
** Improved and added new tiles for some RMAs:
*** +forest
*** +oriental
** Other improvements on various maps
*** added a lot of new func_breakables on many maps
*** rescaled low-resolution textures on the maps
*** added many new alien spawnpoints and enabled randomspawn on various maps
** UFORadiant
*** Implemented texture overview
*** Implemented skip-common-texture feature
*** Implemented cut feature

* UI
** Many key-configuration enhancements and improvements
** New keyinfo menu accessible from anywhere via F4 key
** Support for creating custom HUDs
** Upgrades for all existing battlescape HUDs
** Upgrade for the Options menu
** Upgrade for the Skirmish menu
** Upgrade for the UFOPedia
** Upgrade for the Research menu
** Upgrade for the Aliencontainment menu

* General
** Complete new sounds
** New particle effects and special-fx textures and particle animation frames (explosions, weapons, etc.)
** New and improved, transparent blood-textures
** New music, revised tracklist
** New cursor images for the battlescape
** Loads of new models (civilians, rocketlauncher, static models on maps)
** New diffuse textures, new glowmaps, new normalmaps, new specularmaps
** Higher resolution textures for existing models
** Upgraded alien races with additional skins, glowmaps and normalmaps
** Removed unused parts of model textures to optimize filesizes
** Increased texture resolution for existing map textures
** Replaced textures without proper license
** Replaced many .jpg textures with .png textures without artifacts
** Optimized and recompressed all png textures for optimum performance
** A lot of new UI graphics and effects
** New, high-quality renderings of rank pictures and other graphics
** Improved tech pictures
** First glowmap animations
** More flares & new light animations
** Automatic crashdump upload