Mariano

> No, that's impossible, and if posible, it is not worth it. Migrating from an old format to a new one is extremelly complicated and innecessary. The easiest way to solve this is to take the correct version of Fuel, materialize the graph from the stream, load new version of Fuel, and seriaize it again. That the easiest, more secure, and more practical approach I can see.

It would be interesting to see if you can get two different versions in memory :)

(a need for a module system)

so that you can load with one and save with the other.

Stef