Simplifying saving things
Storing cartouche and licence
Removing the "Data" folder
Content goes out of the "Engine" folder
Removing custom engine exceptions
Reworking the Gamestates part

Removing all the useless abstraction layers
Atlas in Content, Tools in another tool folder
Particules up
Graphics up
Input up
Context and engine up
Reorganizing again
Correcting the why is this not working?!
GameObject without components
Removing game engine
States in states
Back to normal but fewer code
Clean, namespaces and cartouche