Critical bugs are those that you would seriously consider delaying the upcoming release or removing that package from the distribution because they are not fixed. Bug reports against all non-libc6 packages. All uploaded libraries must depend on libc6. All uploaded packages must depend on libc6. Bugs older than 7 months will be marked as overdue.
All packages are in the new package format.
All packages in main distribution are compiled with libc6. No a.out executables anymore. Official Debian logo chosen. Emacs needs some other stuff. Run level 4 on the other hand is left totally open for the user.