Hyperion Entertainment released update 1 for Amiga OS4.1. In this update the following changes: Kernel, more stability and improved memory management. DOS, new system for launching preset programs and improved shared object support. Intuition, improved window support, fading and rendering - including drop shadows. System, new notification system and improved support for external USB devices. Workbench, new and scalable icon set. Python v25. MiniGL V2.2.