It includes a number of improvements including additional web-software, games and tools and improvements regarding the included development-software.
Some of the highlights: Poseidon ImageFX 1.5 AmiBlitz 3.6 (new snapshot) Additional Amiga-E compilers Trog AGA additional SDL-Games Ignition fully working ViewCSV MIDI-File support
small optimizations. As example there is a dir "Dos" in "Games" that is automatically mounted when DosBox is started (there you can put all DOS-games)