Voting starts in March for the Drupal Association Board election.
This is a sub-issue of.
http://drupal.org/node/1905070. While there are little cleanups planned for the format overall, the current format is a result of months of back and forths, so it should be perfectly fine to apply it more widely to core.introduced the idea of config schema. The changelog leads to (hopefully extensive) documentation on the format at
Create a configuration schema for picture module.
Schema in place
Schema not yet in place