- Auto-detect gamepad layouts for consistent cross-platform behavior
- Introduced a more sophisticated architecture for the Audio System
- Prevent the underwater muffler from altering the drowning music
- Changed the formula of the underwater muffler
- Pause or resume all audio when pausing or resuming the game
- Improved the Pipe System and made it re-entrant
- Improved the Title Card script
- Prevent collected Life Powerups from respawning when restarting the level
- Surge the Rabbit: introduced Game State and Consumable Entities
- New translations: Ukrainian, Lithuanian
- Options Screen: added compatibility with specific versions of the engine
- Level Editor: redesigned the Grid System
- Windows: made the window display the icon of the executable
- Android: added support for 16 KB page sizes on 64-bit devices
- Unix: introduced a compile-time opt-in for OpenGL ES
- Updated the CMake script
- Many assorted improvements and fixes