The O_TMPFILE flag is just an anonymous file as far as I understand. From that source file, VTE uses glib, particularly g_get_tmp_dir() and g_file_open_tmp() (w

The O_TMPFILE flag is just an anonymous file as far as I understand. From that source file, VTE uses glib, particularly g_get_tmp_dir() and g_file_open_tmp() (which uses the latter), which claims to honor TMPDIR according to the docs: https://developer.gnome.org/glib/stable/glib-Miscellaneous-Utility-Functions.html#g-get-tmp-dir https://developer.gnome.org/glib/stable/glib-Miscellaneous-U... Perhaps a terminal emulator is unable to read variables exported in .bashrc, as the terminal is started prior to executing the shell.