Re Nautilus:
2.32.0 upstream tarball was created 2010-09-27 15:24:00. Updated Czech translation for Nautilus was committed to upstream git repository 2010-09-29 02:56:39 (too late for 2.32.0 tarball). Hence translations are not in which is not Ubuntu's fault. Of course they are included in the 2.32.1 upstream tarball which was released today.
Re Nautilus:
2.32.0 upstream tarball was created 2010-09-27 15:24:00. Updated Czech translation for Nautilus was committed to upstream git repository 2010-09-29 02:56:39 (too late for 2.32.0 tarball). Hence translations are not in which is not Ubuntu's fault. Of course they are included in the 2.32.1 upstream tarball which was released today.