Please read the migration guide before updating. 2D Toolkit 2.x is not API compatible with 1.x.http://2dtoolkit.com/docs/2.4/migration_guide.htmlDocumentation available at:
http://2dtoolkit.com/docs/2.5
Be sure to run "Setup for JavaScript" after importing if you're using JavaScript/UnityScript or Boo.
What's new- Fixed sprite picker in Unity 2017
- Added shader define to stop auto upgrade in > 5.6
- More Unity 2017.1f3 compatibility fixes
- Fixed up Unity 2017.1f3 warnings
- Exported in Unity 5.4. Previous versions of Unity are no longer supported
- Removed tk2dSkin.dll dependency. Dll has been emptied out for backwards compatibility
- Lots of bug fixes and improvements
- Added experimental support for polygon colliders in tilemap. In the tilemap edit page, Edit > Settings > Tile Properties > Use 2D Polygon Colliders to turn this mode on.
Bug fixes and improvements- Fixed tilemap prefab instantiation bug
- Fixed tk2dCamera rotation issue, added support for WSA
- Fixed issue with some inspectors not saving changes correctly in Unity 5.3+
- Inertial scrolling fix for scrollable area
- Removed platform specific functionality for WebPlayer, WP8 and Flash
- Fixed negative box collider warning
- Fixed input field string doubling up on Android
- Rudimentary physics stripping to remove dependencies to 2D and/or 3D physics
- Fixed deprecation warnings for Unity 5.4 and 5.5
- Fixed texel size when atlas texture is globally scaled 0.5x or 0.25x
- Editor collider rebuilder script - Don't rebuild when sprites have "user defined" colliders set
- Texture importer supports "Sprite" textures as input in Unity 5.5