updated today to kde 4.7.2. no problems encountered
It’s in R47 too
I did read of some problems in Factory though
[opensuse-kde] Trouble with last factory updates in KDF](http://lists.opensuse.org/opensuse-kde/2011-10/msg00062.html)
Finally it reached factory:
i | libQtWebKit4 | package | 4.7.4+2.2.0-1.1 | x86_64 | ossfactory