This is a list of bigger changes between Boson 0.8 and Boson 0.9.

Internal

• Units can be rendered as wireframes
• Rotation speed of units can be configured
• Bounding boxes of items can be rendered
• Shots split to subclasses
• Pathfinder is much faster now
• Separate process is used for audio
• OpenGL setting profiles (default/fastest/best quality)
• Redesigned start widgets
• Campaign support for the map selector
• Game and network logs can be saved

Rendering

• New terrain rendering code. Terrain is now drawn using several layers which are blended together. This creates nice effect for transitions and looks really nice
• Added support for lights and halos using particles
• Added support for explosion fragments when unit is destroyed
• Materials are supported for models
• Models have normals now, meaning that everything should be lit correctly
• Better support for wind for particle systems
• New kind of smoke for wreckages
• Improved particle systems
• Weapon flashes when shooting
• Support for smooth surfaces
• Terrain normals (i.e. terrain is lit correctly)
• Experimental LOD support
• Much improved lighting support. Lighting is now enabled by default

Game

• Acceleration/deceleration support for units
• Support for mines
• Support for bombs (basically a falling mine)
• New actions patch
• Basic scripting support
• Movies can be grabbed from running game (but it's extremely slow)
• Better wreckage handling (aircraft wreckages no more hang in the air and other ones slowly disappear into the ground)

Data

• Fixed Puma model
• New Leopard model
• New unit: Koyote (a nice helicopter with a cannon)
• New unit: Warthog (A-10 plane with heavy anti-tank missiles)
• New unit: Wolf (a truck which may carry other units in the future)

Editor

• You can now add multiple units and draw multiple tiles in editor using click+drag
• Height maps can be exported
• Texture maps can be exported/imported in editor