1.32.0

• Overwrite existing X authority files to avoid corruption
• Change logind-check-graphical default config value to true
• Block autologin if shell in nologin or false
• Fix failure if with greeters sending two login requests quickly.
• Drop Qt 4 support, it's been unsupported since 2015
• Fix lightdm_set_layout
• Improve method of determining a session is Wayland
• Don't call setenv with a NULL value - the behaviour is undefined
• Replace deprecated QAbstractItemModel::setRoleNames
• Move D-Bus conf file to $(datadir)/dbus-1/system.d
• Fix tests failing when compiled with --with-greeter-user
• Use Python 3 in tests
• Disable compiler optimizations for test programs
• Compilation fix for glibc 2.33
• Remove deprecated use of G_TYPE_INSTANCE_GET_PRIVATE, G_PARAM_PRIVATE
• Fix compile failure due to use of clearenv on FreeBSD
• Use a size_t to resolve a compile warning
• Fix DesktopManager typo in man page