Calling it a "huge leak of documents" is wanky too: it is just an enormous amount of - assuing it fits the pattern of previous ARs - mostly deeply tedious comments. All this is presumably just a desperate attempt to stir up interest in the upcoming COP; which looks increasingly like a party that no-one will bother to attend1.
1. No-one that matters, that is. The usual pile of waste-of-time freeloaders will show up by jet and moan about CO2 emissions, of course.