From BlenderWiki

[edit] 2.41 Release

See CMS release notes for 2.41 at blender.org

[edit] 2.43 Release

[edit] Updated demo files

[edit] Download Physics Demos

http://download.blender.org/demo/test/physics-2.43-physics-testfiles-5.zip

[edit] Download Graphics Demos

http://www.continuousphysics.com/ftp/pub/test/index.php?dir=blender/&file=graphics-demos-2.43-preview1.zip

[edit] Lightmap support

- Added support for lightmaps, generated by Blender Render Baking.

[edit] Browse lightmap tutorial on-line

http://www.continuousphysics.com/lightmap/LightMapTutorial.html

[edit] Download lightmap tutorial

http://www.continuousphysics.com/ftp/pub/test/index.php?dir=blender/&file=lightmap-tutorial1707.zip

[edit] Mac OS X mouse

- setMousePosition is fixed for Mac OS X. This enabled First-Person-Shooter style mouse look.

[edit] Logic fixes

- Property and Message Sensor triggering fixes

[edit] Work in progress on Ogre 3D player

- See work in progress on a game player with Ogre 3D graphics here: http://echo-plugin.sourceforge.net/ This is progressing nicely but not ready for release. Embedded versions (Ogre3D graphics inside Blender) are considered after the stand alone player is working.

[edit] 2.49 Release

[edit] Various changes

• For "int" properties, use long internally rather then int, which gives a larger range.
  from −2,147,483,648 to +2,147,483,647 to...
  −9,223,372,036,854,775,808 to +9,223,372,036,854,775,807
  allowing you to store pythons id() values on a 64bit system.
• Expression Controller accepts modulus operations (%)
  
• Building the GameEngine without SDL is now possible - WITH_BF_SDL
  
• Building without Solid & Sumo physics is now possible - WITH_BF_SOLID