Mostly visible on European servers, and not so much on servers elsewhere.
Google has at least 44 datacentres. I guess that it may take days or weeks for them all to be updated.
It is possible that they are only testing this on a very limited number until they are sure things are OK.
These five datacentres have the new version:
There are about 10 datacentres without any directory copy. The rest still have the old 2005 version. A few datacentres recently went offline.
Incomplete datacentre list: gfe-ag, gfe-an, gfe-au, gfe-ar, gfe-bf, gfe-bp, gfe-bu, gfe-bx, gfe-cw, gfe-dc, gfe-ed, gfe-eh, gfe-ff, gfe-fg, gfe-fk, gfe-gv, gfe-he, gfe-hk, gfe-hs, gfe-hu, gfe-ik, gfe-in, gfe-jc, gfe-jp, gfe-kc, gfe-kr, gfe-lm, gfe-lo, gfe-mc, gfe-mu, gfe-nf, gfe-nz, gfe-od, gfe-po, gfe-pr, gfe-py, gfe-qb, gfe-rn, gfe-ro, gfe-td, gfe-tl, gfe-tw, gfe-ug, gfe-ui, gfe-va, gfe-wr, gfe-wx and gfe-yo.