KDE 4.2: Dolphin tabs don't persist.

I’m trying to get used to Dolphin and have tried the tabs system. If I
logoff and log back on, the tabs have gone. With Konqueror, the tabs
persist. Is there a way to get Dolphin to do this and if not, does anyone
know whether it will appear in future versions?

Graham P Davis, Bracknell, Berks., UK. E-mail: newsman not newsboy