Because of really huge amount of modifications here I've probably missed some minor stuff. I doubt if it's still compatible with gcc - some changes should be reapplied.
* fixed problems with horde buildings (won't block original dwellings)
* giving primary skill when hero get level (but there is still no dialog)
* if an upgraded creature is available it'll be shown as the first in a recruitment window
* creature levels not messed in Fortress
* war machines are added to the hero's inventory, not to the garrison
* support for H3-style PCX graphics in Data/ (not tested)
* started doing support for ZSoft PCX graphics in Data/
* VCMI won't crash when is unable to initialize audio system
* fixed displaying wrong town defs
* minor fixes and improvements
* fixed blockmap for generated hero
* one can't choose already disposed hero in pregame
* fixes in heroes and towns picking
* improved hero selection in pregame
* version changed to 0.53
* CGI will be in debug mode a global pointer (much more convenient debugging)
* function in CCallback for getting onfo about res
* giving resources at the beginning of game
* moved several txt files to /config subfolder
* minor changes
* functions for getting info about heroes in CCallback
* function for initializing GameState
* improvements in CHeroInstance
* added codename
* minor stuff
* added CConsoleHandler to interact with user (it should be testing - only, the real console should be as in h3)
pathfinder MAY work now, but it isn't tested
* underground/urface switch button changes look when cliked
* object handler stories pointers to object instances
* new structure for terrain tile - TerrainTile2
* started doing video handlers - unfortunetly they don't work...
* names of lods changed - rename your lod files to h3sprite.lod and h3bitmap.lod and place them in \Data subfolder (as in H3).
* added several clickable buttons to adv. map interface
* underground/surface switch button is functional
* reading more text from ZELP.txt, added CPreGameTextHandler to CGameInfo
* a lot of minor improvements/fixes(/bugs)
* creature set now uses std::set
* int3 class - may be used for locations
* fixes crashbug in cpregame (state in HughButton not initialized)
* started making CTownInstance
* CLodHandler init cleared up (a bit)
* giveDef optimized
* horizontal slider
* printAtMiddle updates corrrect rect
* adjusted shadows
* parts of advanced options menu
* minor fixes/improvements
* [new] Wypisuje do konsolki czas trwania poszczególnych czynności
* [new] Wykorzystuje twoje odkrycie z długością nazwy defa
* [deleted] Nie tworzy łze-plików .def
* [improvement] Na średniej zwykłej heroesowej mapie działa szybciej ok. 1800 razy