I imagine this should use the game window width, but I'll let someone else figure it out. I'm just sick of frames being half-visible in navigation.
+ features
* bugfixes
0.9.16 -> 0.9.17:
+ New theme, Cave
+ New voicepack, Hillbilly
+ More attractive mission screen with previews
+ Chat timestamping, links, input history, tab completion
+ AI smarter, now uses switch. Also tweaks to mine/crate/barrel rules
+ Customisable chat by dragging a .css file, see file generated by the /saveStyleSheet command
+ Errors/warnings in chat instead of popup boxes
+ Mousewheel to change hog/weapon counts in game creation
+ Refresh DLC page on access, display notice if DLC page is not accessible
+ Team colours changed, again
+ Land texture on maps using mask of black
+ Spread clouds/flakes over near/far layers for more 3D
+ Team coloured RC/airstrike
+ Icy girders/bridges on Snow/Christmas themes, support for ice land type (blue in mask)
+ Sticky mines, mines activate 1s after use in infinite attack mode
+ Grenades/bazooka/melon pieces/ballgun now kicked by explosions
+ Minor theme optimisation, Optional SkyR
+ Camera follows melon, clusterbomb, gas cloud
* More fixes to fullscreen/window resize on non-Linux systems
* Vertical movement should be restricted for small displays, camera will try less hard to keep hog in centre
* Keep mouse from jumping around when ammo menu is active
* Hogs can now move after trapping another hog in a portal loop
* ctrl-w no longer closes engine window
* Fix bugs in blowtorch angle/direction
* Fix playing notes on the piano
* Fix some colours in greyscale 3D
* Fix Lua overrides of map config
* Girders no longer make windows in tunnels
* Prevent some more escaping through border, firepunch, pickhammer
* Many frontend bugfixes, code cleanup. Crash in game abort, flake clipping, invalid state on room close
* Many other engine bugfixes. SDL event crasher, timebox crasher, birdy hang, desync on quits, crash in birdy eggshell, hammer + vamp + invuln, clouds on Deep Space theme, etc
0.9.15 -> 0.9.16:
+ In-game chat now supports backspace-repeat and Escape to close the text input area
+ Team status bars shrunk/made translucent if they take up a significant portion of the screen
+ Background music change on sudden death mode
+ Stereoscopic rendering
+ Installing content (anything under Data/ - maps, sounds, and any such stuff) to user profile allows custom adding/overriding of any Data/ content
+ Screen for downloadable content
+ Allow up to 8 teams in a game
+ New gameplay modes/styles: Racer, The Specialists, Tumbler, Space Invasion, Balanced Random Weapon
+ New single player missions: Bamboo Thicket, That Sinking Feeling, Newton and the Tree
+ New Weapon/Utility: Land Spray Gun
+ New Utility: Time Box
+ New Game mode: Tag team
+ New Game option for map bottom border
+ New Theme: Golf
+ Many new hats
+ Sudden Death art
+ Get away time modifier (in %)
+ Shoppa scheme by default resets ammo
+ Shots are on a tenth of a second delay instead of a 1 and a quarter second delay (fast deagle/portal fire)
+ Defective mines explode if they take enough damage
+ Rope head can attach to hogs/crates/barrels again (rope still passes through them)
+ Control of grenade bounce
+ Drill Strike bombs don't explode when leaving ground, but after a (customizable!) timer
+ Hammer impacts mines/barrels
+ Seduction is an Area-of-Effect attack now
+ Significantly altered flame behavior and damage.
+ 'Throwing' weapons into hogs (e.g. grenade) no longer does max damage.
+ Ukranian localization of Default voice. support for localized voices
+ Theme cleanup, including the new theme config file change
+ Improvements in scoring and tracking damage
+ Camera tracking now toggleable
+ Mudball does not end turn
+ Indicator for height of plane when using napalm
+ Land smoothing (looks less pixelated on generation and damage)
+ Improved lua script support (e.g. set per-hog ammo, place girders, spawn fake crates, switch hogs, change hats)
+ The names of the ShoppaKingTournament winners are now written on the Trophies in the ShoppaKing and TrophyRace maps!
+ Allow window resizes during game
+ Improved fullscreen capabilities
+ Additional/new sounds (mine impact, sine gun, etc)
+ Victory/flawless victory sounds
* Voices don't overlap (was needed more due to faster game actions due to shortened delays)
* Prevent portaling to impossible locations better
* Snow accumulates more smoothly
* Rope should be less sticky now
* Rope shouldn't be able to get Hogs stuck on walls anymore
* Fix for last portal shot always being yellow
* More accurate napalm strike drop location
* AI fixes (heh, yeah right)
* Fixed locales, such as korean
* Code refactoring
* Various bug/leak fixes
Frontend/Menu and Netgame:
+ Drawing straight lines in drawn map mode (hold down the control key when clicking, then move mouse to end point and release).
+ Undo clear in drawn map mode
+ Autokick ignored players joining your room
+ Improved nick sorting in lobby and rooms. (not case-sensitive, letters first, friend @ top, ignored @ bottom)
+ Display player count in lobby
+ Lobby: Player names of online players can be clicked in chat directly so that you don't have to find them in the player list
+ Room names can be changed by the room admin without recreating the room
* Fix invisible icons in popup menus
* Various fixes and adjustments
0.9.14 -> 0.9.15:
+ Ability to create, save and load hand drawn maps
+ New maps: Capture the Flag (Blizzard) Map
+ New themes: Christmas
+ Snowflakes on Christmas/Snow themes accumulates on the ground
+ New game modifiers: No wind, More wind
+ New missions: Dangerous ducklings, Diver, Spooky tree, Teamwork
+ New weapons: Mudball, Drill strike
+ Many more Lua hooks
+ Readytimer
+ Ability to edit seed
+ Ability to select gameplay scripts
+ New gameplay scripts: Capture the Flag, No jumping, Random weapon
+ New Lua unified translation framework
+ Code refactoring
+ Max teams upped to 8
+ Cosmetic enhancements to Napalm strike
+ Selecting a game scheme selects the corresponding weapon set
+ Dust when drills dig
+ New hats: beaver, porkey, sheep
+ Add density property to Gears
+ Reworked management of schemes and weapon sets
+ Will ask before deleting teams, schemes and weapon sets
+ Explosions detach rope from land
+ Variable rope length in scheme
+ Allow hog speech when not your turn
0.9.13 -> 0.9.14:
+ New audio tracks
+ New forts: EvilChicken, Tank
+ New game modes: AI Survival Mode, Per Hedgehog Ammo, Reset Health, Reset Weapons, Unlimited Attacks
+ New grave: ring
+ Over 30 new hats
+ New themes: Art, Brick, Jungle, Stage
+ New maps: ShoppaKing, Sticks, TrophyRace (Mission)
+ New utilities: Portal Gun, Resurrector
+ New weapons: Flamethrower, Hammer, Old Limburger, Piano Strike, Sticky Mines
+ Weapons' projectiles will now be launched from their barrels instead of the hog's center
+ Flying Saucers may be used for moving below the water surface
+ New default game schemes: Clean Slate, Fort Mode, Timeless, Thinking with Portals, King Mode
+ New default weapon set: Clean Slate, Thinking with Portals
+ Bomb clusters/Melon parts inherit some of the original bomb's speed
+ Extended game statistics
+ Improved health bar updating
+ Hogs that blow themselves up will use triggers in their team color
+ Settings allow better control over the level of details/effects
+ Improved Lua support
+ On empty ammo switch to no weapon rather than the first available one (to avoid shooting by accident)
+ Display of hints in the frontend
+ Some improvements of existing Themes of Maps
+ Land destruction effects added
+ Improved fire effects
+ Improved Melon explosion effects
+ Online game lobby now features game filters
+ Other Frontend enhancements
+ Additional sounds
+ Show special game rules in Esc screen
+ Updated translation
+ Speed optimizations
+ Hedgewars will now use a sub directory of "My Documents" like other games instead of "%userprofile%/.hedgewars" under Windows
+ Added support for graphics cards/drivers that have a 512x512 pixel textures limit
+ Team colors are more distinguishable from each other now
* Fixed bug that allowed charging a weapon while on rope, leading to frozen timer
* Various bug fixes
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 backjump
+ 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