As there are currently four persons working on the next stable release (Dann Frazier, Luk Claes, Julien Danjou and me), we decided to track all issues for the next stable release (4.0r1) also in the Debian BTS.
So if you would like to look what we currently consider for 4.0r1, have a look here. Before adding a bug (eg. with the command bts user firstname.lastname@example.org . usertag 420759 + SRM) please contact the stable release team first, or even better, let the stable release team add your bug there on their own. Also, not all uploaded packages to proposed-updates will automatically considered for the next stable release.
Update: With “contact the stable release team first” i do mean, please send requests to email@example.com, not contacting release team members in private over IRC or direct eMail. And NO, h01ger, cellphone is also not an option!!!1!!!elf!!!!