In principle, Apple could do something similar again, with an adaptor for two Thunderbolt 2 connectors (from separate buses!) In practice, they'll probably just wait for Displayport 1.3, tho.
Patently false claim. The DVI standard always included dual-link, even before Apple added USB and power connections, changed the connector, and passed it off as a unique invention of theirs.
In principle, Apple could do something similar again, with an adaptor for two Thunderbolt 2 connectors (from separate buses!) In practice, they'll probably just wait for Displayport 1.3, tho.