Then there is the cool, remote, and minimalist approach (my favourite) of Bart van Raaj's 7+8 and 5+6 guides, beautifully crafted works which allow you to discover the forest more intuitively and leave you to do what bouldering is all about - working it out for yourself (though the maps do a super job of getting you in position in the first place). The classic Montchausse guide is now in a clean new edition, and the Off-Piste guide is still useful, though the recent development of new sectors makes it a little out of date. The Versante Sud guides are a mess and less said the better, and I haven't seen the big German guide yet, does it come with a free VW camper?
Anyway, it's unlikely I'll be rushing to do a new edition of EF (Essential Fontainebleau) as there's enough out there and I think the forest could do with a break from foreigners 'milking it', as is the perception of many locals. Though EF was designed to be a short 'ethical' guide to appreciating the forest for Brits - and how to enjoy it responsibly, like a wee dram, rather than binging stupidly on the blocs as though it's a supermarket-sweep of grades and benchmarks to be navigated like Ikea - it still pointed a fat go-to finger at a delicate area. If any guide needs produced, it's one with a stronger sense of the history and quietude of the forest. Chuntering hordes of gym-monkey youths on uni-club trips are an unfortunate side-effect of our bouldering culture, its commodification swamping the forest in a noise of social-media twittering and Hulk howls.
Well, rant over, as it's not that bad and it's a big forest. It's still easy to find solitude and get away from it all. The English/US mentality of 'developing' a problem or sector might be the wrongly-chosen word for what the French call 'opening' a problem or area. I prefer 'opening' ('ouvrir'), as it also suggests we move on and the forest closes around again, which is the natural way of it all I hope.