The 338 Federal deserves some consideration here. It duplicates the 30-06 ballistics while burning about 15% less powder. That's pretty important during the powder shortages we have been seeing the past few years.
It seems that none of the new cartridges do anything that wasn't already being done, but they do give us a reason to buy new toys!

Wag more, bark less.

The freedoms we surrender today will be the freedoms our grandchildren will never know existed.

The men who wrote the Second Amendment didn't just finish a hunting trip, they just finished liberating a nation.