Release Notes: The game engine has been updated to version 4.5. Performance improvements. Improved compatibility. Support for any 4:3 resolution. Automatic graphics quality selection. Low resolution textures for netbooks and old computers. A fix for a bug that caused the destroyer powerup to destroy all enemies in the whole game when the game is running at less than 30 FPS. A fix for a bug that caused the fourth level boss to take more damage when the game is running low on FPS. WAV support has been removed to improve compatibility and performance. Minor fixes and changes.
Release Notes: Performance improvements, support for HTTP proxies in the auto updater, Improved support for mods, an update to JRE version 6u20, experimental, untested support for Mac OS X, an update to LWJGL version 2.4.2, a new splash screen, and minor changes and fixes.