Gamify Shipping: Offer "Express" Upgrades in Progress Bar

You can now incentivize higher spending with premium shipping options. We've added the ability to select specific shipping methods for each tier in the Goal-Based Progress Bar. This lets you build a powerful tiered structure, such as "Spend $50 for Free Standard Shipping" and "Spend $100 for Free Express Shipping," driving customers to add just one more item to get it faster.