(You can view all of the features at Mozilla.com/Bedrock#Roadmap_.26_Features.)
mozilla.org has some special l10n requirements. Localizers have the ability to localize huge chunks of HTML instead of just small bite-sized strings. We are developing a special jinja block for allowing this so that they can continue doing this. Our goal is to make l10n more manageable and automate-able
We have completed this and will write documentation soon.