Unreal Tournament (UT99) 2.3.0

Performance and Stability Upgrade

• Input handling reverted to the method used in 2.2.0 (outside of ChromeOS); reduced processing load per input; disabled mouse retry attempts; disabled full-screen loop and RetroTouch on OUYA
• Synchronized mouse cursor behavior in the menu for touchpad, mouse, and analog stick + R1
• Faster builds for OUYA/Android; optimized texture filtering and audio thread
• Fixed rounding errors, 64-bit-related issues, excessively long log lines, and "mover" (object movement) logic
• Removed backup files