With 22 fixes on board for various Windows apps and games (see below for details), Wine 1.9.15 introduces more shader instructions in Direct3D, adds performance improvements to GDI, improves the Active Scripting support, injects extra stream support in the C++ runtime, and offers better multi-joystick support on macOS. Among the Windows games that received improvements in the Wine 1.9.15 release, which is the latest development snapshot of the free implementation of Windows on Unix, we can mention Kings Quest 8, Metacell Demo, Tesla Effect, Bloodrayne 1 and 2, Aliens vs. Triangles Demo, Gauntlet, Max Payne Demo, and Alone in the Dark.