Verifying as well, it broke my upgrade path.
Please note that the manpage of gnome-session still documents --choose-session and --choosesession as valid options.
Waves% gnome-session --choose-session openbox ** (gnome-session:7119): WARNING **: Unknown option --choose-session
Waves% gnome-session --choosesession openbox ** (gnome-session:7120): WARNING **: Unknown option --choosesession
Verifying as well, it broke my upgrade path.
Please note that the manpage of gnome-session still documents --choose-session and --choosesession as valid options.
Waves% gnome-session --choose-session openbox session: 7119): WARNING **: Unknown option --choose-session
** (gnome-
Waves% gnome-session --choosesession openbox session: 7120): WARNING **: Unknown option --choosesession
** (gnome-