The fifth public comment period for changes proposed to the LEED rating system is now open. The USGBC will accept comments on proposed changes until Dec. 10.

Changes to each system from the fourth public comment period to the fifth public comment period can be found here:

Building Design and Construction 
Existing Buildings: Operations & Maintenance 
Interior Design & Construction
Neighborhood Development
Homes

More information on the proposed changes is available online at usgbc.org/LEEDv4.