You can now specify title_view for custom views for your section titles

def table_data
  [{
    title: "My section title",
    title_view: MyCustomSectionView,
    title_height: 50,
    cells: []
  }]
end

If you specify a title accessor on the custom view, this will be set to the
title

class MyCustomSectionView < UITableViewCell
  attr_accessor :title
end