Every so often a Cardano hard fork is a headline event, a new capability, a new train leaving the station that everyone has to board. The van Rossem hard fork is quieter than that on paper. It does not open a new era. It does not hand the community a dramatic new feature to show off. It is the eleventh hard fork in Cardano's history, and only the second the network decided to do by itself, through on-chain governance, rather than having it handed down by the engineers who built it. The first was the Plomin hard fork, just over a year earlier. Two in a row is a good sign that global on-chain governance in the blockchain space might…