DOCLINE 4.6 will be released on July 26. DOCLINE will be down from approximately 6:00am to 7:00am while the upgrade occurs.
Go to the NNLM posting
on the 4.6 release for more information.
Update- There are two webinars that will go over the changes in Docline. One is today (July 27) from 3:00-4:00, and the other is August 1st from 1:00-2:00. See the NN/LM MAR blog for details.