Free Unity 3.5.7 direct download link, last Unity 3D 3.5.x build
You can find the Unity 3D free editor download link to the 3.5.7 version in the following lines. If you own a Unity 3.5 valid license you must continue to use the Unity 3.5.7 version wich will be the last updated Unity version that will work with your license. Please note that if you wish to update to Unity 4 you should get a new license, and you should be aware that there is no backwards compatibility from Unity 4.0; projects made in 4.0 will not open in 3.x. However, Unity 4.0 will import and convert 3.x projects.
Here is a short list of Unity 3.5.7 improvements, you can read the full changelog HERE
This release of Unity primarily contains fixes to Unity 3.5. For more information about recent features, see the Unity 3.5 Release Notes.
- Shuriken Particle System
- Built-in Pathfinding
- Upgraded Occlusion Culling & new LOD
- Google Chrome Native Client deployment
- Linear Space Lighting and HDR
Android: Detect manifest permissions for Application.genuine / .genuineCheckAvailable.
Android: Added JB MR1 to the list of API levels.
Android: Added support ldpi/xhdpi icon images.
Android: Added Android as a valid build target for custom PostprocessBuildPlayer script.
Android: Forcing 16bit display buffer on pre-Gingerbread devices.
Android: Stereo sound enforced to avoid garbled audio when mono is selected as speaker mode.
iOS: Added iPad Mini and iPad 4th gen detection.
Mobiles: Skinning is now multithreaded if the device has more then one core.