Can you post the whole stack trace for the JsonFx call? It would be easier to tell you if it is isolated to some types or is a fundamental issue.
My guess is it probably has nothing to do with List but has to do with the type of T. If you replaced the T with some type of IDictionary<String, Object>, it might not have to reflect on it.
Has anyone done any benchmarks of the various JSON systems for iOS, we are seeing a bug well maybe not a bug yet, still working on it with litjson, also I wanted to see based upon large data sets which our game will get to, out of the two, and yes the author of jsonfx is on the thread which one for at least iOS works the best and least tensive on the poor iOS cpu…