Is it just me, or do they seem to be introducing new cartridges at a frantic pace lately? .30 TC, the WSM series, 6.5 Creedmoor, .375 Ruger, .300 RCM, 6.8 SPC, .300 Blackout, 6.5-300 Weatherby and I'm sure a ton of others.
Not really wildcats - these are all commercially loaded options. Maybe...