It seems that recently quite few people like to post news without beeing able to produce any form of source/confirmation. E.g. "no more lounge access" or this post here.
Well, we probably all know that the days for STC are over, but I don't see any added value on speculating on dates, conversion rates, etc. Let's enjoy/maximize STC as long as it lasts and then happily move on to the next FFP (which for me most probably won't be m&m)