Yes, that issue was addressed here:
From: Jon Singletary [mailto:jws2@...]
Sent: Thursday, June 20, 2013 1:31 PM
Subject: [VuFind-General] OCLC number expansion
Does anyone know if changes have to be made in VuFind 1.4 to accommodate the OCLC number expansion that will occur on 7/1/13?
Here is more information from OCLC.org:
Jon Singletary, Library Systems Specialist,
Carnegie Mellon University, jws2@...