I'd like to point out from personal experience that displaying planned version numbers like that may be a bit too specific. Ultimately, reordering is quite likely as certain features turn out to be easier and some others hit roadblocks. It's better to be vague than to risk disappointing the fans of specific features on the list.
Then there's also the obvious conclusion that some of these features imply at least 3-6 months between versions assuming the scale of the dev team remains relatively small... I am enough of a fan of this game to want something a bit more frequent (even if smaller in scale).
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