2.33.1 bugfix release * Prevent default values for LD_PRELOAD_SOURCE from overriding maintainer-set ones. * Add support for completion with some interactive shells: - fish - zsh * DOSBox games: Fix detection of MS-DOS binaries through file/libmagic. * UNity3D games: Improve error message when no binary is found. * WINE games: Fix inclusion of the winetricks wrapper when using a non-default Direct3D renderer. * WINE games: Prevent the creation of an empty registry-scripts directory.