Hi Charles, I see your are the maintainer of bioperl, do you plan to go to version 1.6.901 ? This version is available on CPAN, and is required to further updates of gbrowse Thanks Olivier -- gpg key id: 4096R/326D8438 (pgp.mit.edu) Key fingerprint = 5FB4 6F83 D3B9 5204 6335 D26D 78DC 68DB 326D 8438