* 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