I'm afraid you'll have to wait for a little longer. We're not able to put much time on the Fanaleds project lately. When we find some time we'll have a look at AC.
Perhaps it would be nice if AC would stop changing everything in every update so we don't have to update our app every time.
This is just to add a piece of information: I just found out that this may be related to fanatec driver version: fanaleds is working fine with version 2.0.5, but is affected by the issue described on this thread with latest 2.2.6 version. Assetto Corsa version does not matter here, I've just finished testing both drivers on AC 1.4.3