Name Changes: The new grid changes the names of breakpoints, which will cause confusion for a while, but we ultimately need to adopt them.
New Breakpoints: The new grid adds three new breakpoints:
dds__col-12 dds__col-md-8
dds__col-6 dds__col-md-4
dds__col-6 dds__col-md-4
dds__col-6 dds__col-md-4
dds__col-6 dds__col-md-4
dds__col-6
dds__col-6
dds__col-12 dds__col-md-8
dds__col-6 dds__col-md-4
dds__col-6 dds__col-md-4
dds__col-6 dds__col-md-4
dds__col-6 dds__col-md-4
dds__col-6
dds__col-6