Version 1.48.3 - Closed bugs: * arg: don't crash when asked to convert a null strv to an array [#775679, Cosimo Cecchi, Sam Spilsbury] * gjs 1.48.0: does not compile on macOS with clang [#780350, Tom Schoonjans, Philip Chimento] * Modernize shell scripts [#781806, Claudio André]