February 28th, 2013
If you are interested in discussing the source map specification and any future modifications to it, please join us on the new dev-js-sourcemap mailing list. The Google Groups archive hasn't synced yet, but I am told that it should be synced within a week.
This list exists only for discussing the source map specification, not any of the various tools which use source maps. They each have their own preferred mediums of communication which you should use for tool specific discussions.
Source Map Specification Discussion Mailing List on February 28th, 2013
Regarding "Dynamic Source Maps" on January 22nd, 2013
Update on Firefox and Source Maps on July 30th, 2012
Source Code Cartography on December 23rd, 2011
Pycco Needs a Loving Home on August 17th, 2011
Operational Transformation Part 2: Operations on April 5th, 2011
Operational Transformation: An Introduction on March 26th, 2011
OOP The Good Parts: Message Passing, Duck Typing, Object Composition, and not Inheritance on December 31st, 2010