There are a number of new common image sizes:
Home page / Subcategory carousel: 560x350 pixels, on a white or black background.
Home page carousel / Subcategory Mobile version: 180x113 pixels, same as the original image.
Homepage Promos: 300x170 pixels
With text: 210x150 pixels
Just image: 210x245 pixels
Recipe Hero Image (used on the recipe page itself): 620x325 pixels
Recipe Listing image (used when showing the recipes in that section): 220x175 pixels
Recipe carousel: 620x250 pixels