[shield melee] Beginner's pre-Krieg Death Knight

What’s the difference between this build and the updated/new 1.1.8.0 build? Assuming the new one is better/well optimized than this one

Up to level 90 there’s minimal difference because levelling is done with Forcewave. After 90 this one is a shield cadence build and the new one is a 2H blade arc build.