Hiding parts of CMB2 fields is necessary to make like less confusing and easier.
Size matters. Screens are not infinite and people hate scrolling. So make it suck less.
Making taxonomies update based on CMB2 options, all so I can use Select2
Some data migration of individual post metas into grouped post meta. Part of a continuing saga in how Sara Lance wants to drive me insane.
Making a year-range in CMB2 is easy (if you befriend a developer).