Pages start with their first paragraph: GitHub already prints the page title, so the repeated first heading is gone
Wiki for 3.0.2: the measured upgrade story from 1.0.1.1 and 2.1.1, .NET Framework numbers, the gated release path, version lines
Wiki for 3.0.1: getting started, API reference, output format, not a validator, serialisation helpers, recipes, performance, versions, FAQ, development