Update #8 - Version 0.5.6 — Operation Athena Steam update #851202

Spring is here, the sun is shining, and with it comes one of our biggest updates yet! This update brings massive AI improvements, enhanced visuals, new gameplay features, and major performance upgrades. Enemies now fight smarter than ever, using better cover mechanics, improved flanking strategies, and more precise shooting. Plus, Unreal Engine 5.5 integration delivers improved performance, lighting, and reflections. New intro movie to replace old intro screen. Engine & Graphics Updates (UE 5.5 Integration) Lumen & Rendering Improvements: Lumen HWRT optimizations ensure better performance while maintaining high visual fidelity. Improved Lumen Global Illumination (GI) and reflections. New hit-lighting for GI, offering a more accurate way to calculate GI and reducing the limitations of static meshes. Updated reflection denoiser, significantly improving sharpness in low roughness reflection...