via http://www.dreamcast.es/news.php?readmore=634#comments

New revision of Demul emulator, but this time is a version with small corrections: * DX11: add read fb to dc vram * DX11: bilinear and textcoord clamp / flip fixes (Samurai6 shadows, Xtreeme Sports title, etc) * DX11: clip mode September without GroupEn bit (18Wheleeler map, checkme) modvol clip * DX11: fix mips 1x1 in 16bit and IDX8 textures (road marks in sonic2); miplevel clamp; join texture like decoders * DX11: fix aspect ratio (need test) * DX11 : fix holes modifier * DX11: fix scaling with RTT * DX11: fix z plane generation * DX11: force background deptmode to 7 * DX11: hw-like trilinear filter, Optimise shadow * DX11: network sort option * DX11: use clip for RenderDepth (fixes arcade 18Wheelerer), only shadow RenderDepth poly (fix Xtreme sports), UV clamp / flip / wrap inside TextureSample () (fixes textures gaps), always use colored clamp (Rumble Fish Attract), all processing fog after shading calc * DX11 : use mipmap adjust, add supersample (not working) * Hikaru: NASCAR boot in public build * Hikaru: Error mapping sram fix, now pharrier can bookkeep (issue # 54) * listxml generation fixes * NAOMI: Crazy Taxi debug ctrls * NAOMI: a bit better Alien Front controls * SPU: fix status cdda September to GD-ROM * SPU: fix sonic adventure loop sound (from rev 1809 refix) * SPU: return old ADPCM decoder * full rewrite aica DSP As you can see, most fixes are for the DirectX11 graphic plugin. I have already in our downloads!