# Cemu detailed changelog for 1.15.15b# Patreon release date: 2019-09-20# Public release date: 2019-09-27# New in 1.15.15b (public release):GX2: Fixed a bug that could lead to random performance drops or crashes under rare circumstances# New in 1.15.15:general: The default gameprofiles that ship with Cemu and the ones with user editsare now in separate folders. This change was made so that extracting allfiles from the Cemu.zip into an existing Cemu installation no longeroverwrites any game settingsAX: Added support for mono and surround soundAX: Added API AXSetDeviceRemixMatrix, AXGetDeviceRemixMatrixGX2: Guarantee usage of locale independent number formats when inserting preset variables into custom shaders (#190)GX2: Added optional VRAM stat to overlay (Win 8.1 and above only)GX2: Tweaks to cache management on OpenGL to prevent internal out-of-memory crashes (#176, #186)Note:(#xx) refers to bug tracker issues resolved by this change. See http://bugs.cemu.info/projects/cemu/