System tray: paint errors with mmap mode distorted paints Major: OpenGL errors with MS Windows clients missing stderr keycode mapping for Wayland clients some windows not shown when there is a tray window being forwarded connection failures on some server platforms Minor: quality and speed options can be used with generic encodings check pam_start return value in pam authentication module install-repo support for Debian and Ubuntu derivatives Cosmetic: show which client backend values are acceptable log OpenGL probe errors date in changelog add Ubuntu oracular support to install-repo subcommand border color parsing deprecation warning