However, IBus was up and running (as it should be for all users) and the necessary input methods had been installed. Hence I could go to "Region & Language", add the "Chinese (SunPinyin)" input source, switch to it, and instantly start typing Chinese characters.
But I suppose the idea is that some Chinese input method should be enabled to start with...
I could reproduce this with the 2017-09-26 ISO.
$ cat /etc/default/ keyboard desktop. input-sources sources
XKBLAYOUT=se
BACKSPACE=guess
$ gsettings get org.gnome.
[('xkb', 'se')]
However, IBus was up and running (as it should be for all users) and the necessary input methods had been installed. Hence I could go to "Region & Language", add the "Chinese (SunPinyin)" input source, switch to it, and instantly start typing Chinese characters.
But I suppose the idea is that some Chinese input method should be enabled to start with...