Engine:
* Removed horizontal weapon offsets for now (shouldn't affect human player's gameplay but that of AI)
Frontend:
* Added some main menu tips
+ features
* bugfixes
0.9.12 -> 0.9.13:
+ Speed optimizations
+ New weapon: Birdy (carries your hog and lets you throw poisonous eggs at your foes)
+ Hats are visible while using rope and blowtorch
+ Explosive barrels
+ AI is able to handle artillery mode as well as new weapons
+ Weapon schemes now include crate probability as well as delays
+ Optional semi transparent labels for hogs to avoid hidden gaps
+ New voicepack: British
+ New frontend sounds
+ Frontend now allows you to add player names to either your friends or ignore list and join their current rooms (follow)
+ Optional tooltips explaining weapons in weapons menu
+ 3D effect for waves
+ Game now fades in/out at the start and end of a round
+ Flashlight effect when taking screenshots
+ Holding 'precise' key now allows hogs to change direction without moving
+ New game modes: place hedgehogs, king mode, randomized starting order, shared ammo, no girders
+ Improved CJK text handling and detection
+ Dud mines
+ Reserved hats for donators (reservation time is limited; they'll be useable by everyone some months later)
+ Added team flags (pick your country or your favorite 'fun' flag)
+ Active team's name blinking on round start
+ Team chat for spectators
+ New explosion graphics with screen shakes for huge explosions
+ Hogs might react to thrown grenades or explosives and panic
+ Popup effects visualizing collected weapons
+ New visual effects (dust, smoke, gun shells)
+ Replaced the UFO with the Homing Bee
+ View ammo menu even while other player's turn
+ Preview alternate weapon while using another one (e.g. parachute, rope and flying saucer)
+ Splashes and droplets once objects fall into water
+ 45 degree bounce for grenades
+ New bounce sounds for most objects
+ Several new sounds for hedgehogs including walking animation and some emotes
+ Show special game rules at round's start
+ Support for Lua scripts (used for tutorials as well as 'mission' maps)
+ Changed Basketball map to be a mission including scoreboards
+ Added Knockball mission
+ New crazy map template
+ New random map generator supporting maze type maps
+ New game schemes: Barrel Mayhem, Tunnel Hogs
+ New weapon scheme: Tunnel Hogs
+ New themes: Olympics, Desert
+ Lots of other updates to other themes
+ Background textures for destroyed land simulating depth (on random maps only)
+ New target cursors
+ Many new hats
+ Additional effects
+ Icon for hwengine under windows
+ Delete old teams using the frontend
+ Support for long localized strings (longer than 255 bytes)
+ Xfire support (shows nickname, server and room name in player info)
* Fixed showing two cursors in some situations
* Drill rocket's sound will now stop even after drilling right into water
* Properly unload SDL_mixer's support libraries on engine shutdown
* Fixed several memory leaks
+ Lots of other bug fixes and additions we already forgot during this huge release
+ Updated translation
+ PowerPC architecture supported
* Reduced memory footprint and leakage
0.9.11 -> 0.9.12:
+ Zoom
+ New weapons: flying saucer, molotov cocktail
+ More sounds
+ New visual effects
+ Updated graphics
+ Chat within team only
+ Remember net password
+ More trainings
+ Implement room control delegation when host's connection fails
+ Colorize chat events in engine
+ [mac only] Add Sparkle framework to automatically update the program when a new version comes out
+ [mac only] Add M3InstallController for easy installation
* Fix crash in replay caused by speechbubbles
* Fix some desync causes
* Fix rope bugs
* Fix bugs in weapon selection code
0.9.10 -> 0.9.11:
+ Speech bubbles
+ Many new hats, new graves
+ New taunts
+ New voice pack, new default voice
+ Animated stars in frontend's background
+ New music
+ Vampirism weapon and game mode, karma mode
+ Artillery mode
+ Sniper rifle
+ Options for mine delay/quantity
* Fix disconnection from server not been performed correctly
* Don't crash engine after round in reduced quality mode
* Fix game desync when oneof players quits
* Hedgehogs don't take hat off when jumping
* Fix initial room map config desync
* Fix team name in training
* Fix crash in parachute/rope if drowning with active girder/teleport
* Fix rope disappearing bug
0.9.9 -> 0.9.10:
+ Many new hats, maps, themes, updates on existing ones
+ Remove small pixels left by fire
+ Double possible land dimensions, allow up to 48 hedgehogs in game
+ Brand new net server
+ Cave mode
+ Initial sound volume option
+ Increase rendering speed and overall graphics performance
+ New game options
+ Game schemes
+ New voicepack
+ Reduced quality mode for better performance on old computers
+ Random teams generator
+ Many utilities
+ Templates filter
+ Water bouncing
* Fix underwater theme soundtrack
* Fix blowtorch delete condition
* Fix crash when attackbar wasn't deleted, but hedgehog gear was
* Fix spectating when one of players left the game
* Fix accidental rope removing from ammo in some cases
* Prevent engine crash when not enough place for all hedgehogs
* Fix bug with not working toggles 'rectrict joins' and 'restrict team adding'
+ Fix engine slowdown when trying to switch ammo while firing bazooka
0.9.8 -> 0.9.9:
+ Voicepacks
+ Teams health graphic on statistics page
+ Colorize join/quit messages in chat
+ Precise aiming
+ RC Plane weapon
* Fix ballgun breaking net game on 64bit systems
* Fix bug when hedgehog was unable to drop some weapons from rope in certain conditions
* Fix page switching issues when disconnected
* Fix rope bug which allowed hedgehog to go into land
* Fix cake stucking up in air on some maps
* Fix three cursor bugs
* Fix autogenerated demos/saves filenames problems
* Fix engine freeze when switching hedgehog in certain conditions
0.9.7 -> 0.9.8:
+ Many net server fixes
+ Lobby on net server
+ Napalm weapon
+ Drill rocket and Ballgun weapons
+ Show quit reason message
+ Solid Land option
+ New maps
+ Many new forts
+ Improve Hellish hand grenade
+ Spectating for those who joined after game start
* Fix silent crash when cannot place all hedgehogs
* Fix small damage tag issues
* Fix a bug leading to engine silent crash when using whip, bat or firepunch (and probably flame)
* Limit chat history to 250 entries to avoid DoS attack with its use
0.9.6 -> 0.9.7:
+ Completely redesign the frontend, no longer looks like an ugly program launcher
+ New art
+ Add fullscreen mode to frontend
+ New Castle map
+ All map rendering now 32bit / theme objects have alpha channels
+ Bath, Freeway, Hell, Sheep, Underwater themes
+ PirateFlag, Sheep maps
+ Seduction weapon
+ Dedicated server
+ Increase possible length of team and Hedgehog names
+ New music
+ Ability to customize your hedgehogs with a variety of hats
+ Ability to customize water colour in themes
+ Watermelon Bomb Weapon
+ Hellish Hand Grenade Weapon
+ /me now works in chat
+ Ability to divide teams on any map
* Fix rope getting stuck bug
* Make soundtrack loop better
* Fixed small glitch with placing girders
* Fixed grenade sound
* AI uses the mortar better
0.9.5 -> 0.9.6:
+ New Cake weapon
+ New maps: EarthRise, Bamboo, Bath, BambooPlinko
+ New theme EarthRise
+ Add soundtracks for each theme
+ Show picked up ammo name when playing demo
+ Make engine fonts bold
+ Small sound improvements
* Fix clouds shaking up
* Repair screenshots capturing
0.9.4 -> 0.9.5:
+ Taunts
+ Exit confirmation dialog
+ Sudden death
+ Maps added: Hydrant, Lonely Island
+ Updated mushroom map
+ Translations added: German, Slovak, Bulgarian, French
+ More impressive exposions
* Fix bad sprite when you jump and get hit
0.9.3 -> 0.9.4:
+ In game chat is now implemented, chat (and taunt!) your buddies during network play
+ Mortar, whip and Kamikaze weapon additions
+ Two new themes, desert island and city
+ New maps
+ New animations, including an idle animation!
+ Rope reworked, much greater momentum, ability to aim the rope between swings
+ AI updates
+ Teams now work in fort mode, i.e. 2v2
+ Ability to attack whilst jumping/rope swinging
+ Some weapons can only be used after a certain number of turns
+ Lots of new graphics
* Many network/gameplay bug fixes
0.9.2 -> 0.9.3:
+ Switch to OpenGL rendering
+ Massive graphics update
+ New animations, weapon sprites
+ New themes 'Snow' and 'Nature'
+ Many new sounds
+ Hedgehog somersaults like in worms
+ Automated parachute
+ Hedgehog can jump even when someone is on its head
* Improve and bugfix statistics
* Fix bug allowing to make stack of hedgehogs using teleport
* Fix fall without damage trick, which could be performed with not attached rope
* Don't show enemy's picked weapon name
* Fix hedgehog moving direction after been shot by shotgun
* Fix bug with handling keys while it is enemy's turn
0.9 -> 0.9.2:
+ Add registration of net game in web
+ Introduce weapons sets support
+ Add teleportation tool
+ Add hedgehogs switching tool
+ Add tags with current damage (alt damage option on options page)
+ A couple of new land templates
+ Decrease network bandwidth usage
+ Add clans support (teams with identical colors are allies)
+ 's' key speeds up demo playing
+ Easter egg
+ Full saves support, 'Saved games' page
+ Add ability to choose which info is shown above hedgehogs
+ AI can use Air Attack weapon
+ Get possible screen resolutions from SDL library
+ Add Desert Eagle and UFO sounds
+ Add parachute sprite
+ Add training mode
+ New theme and map 'Volcano'
+ Moving hedgehog could make another hedgehog moving kicking him
+ Save and restore window size on application restart
* Fix using parachute while staying on the ground
* Fix old rope regression (attaching didn't work properly, when hedgehog is jumping)
* Fix AI jumping to wrong direction on the turn start
* Fix rare conditions causing network game to randomly fail
* Make missiles collide with attacking hedgehog