Easy way to rearange fields order
ability to move field after another when modifying it
Nobody likes this feature?
There's an issue that probably should be resolved first. Otherwise, it's a nice feature and since it's optional - it surely will be accepted. But you'll need to document it in the user guide and add a changelog entry.
Solved by b67277b.
Just add an 'after' => 'field_name' pair to the column definition array.
'after' => 'field_name'