UPDATE 1: Introduction to the Copyright Office Recommendations Can Be Found Here (8 pages; PDF via U.S. Copyright Office)
Here’s a full text copy (pre-pub version; 81 pages) that was just made available of the final rule that what will be formally published tomorrow (October 28, 2015) in the Federal Register.
Formal Title: Prohibition on Circumvention of Copyright Protection Systems for Access Control Technologies; Exemptions
Direct to Full Text (and Embedded Below)