ext_table = {
    # Array of hashes
    "columns" => [
      {name: "Extension Name", formatter: "link", sorter: "alphanum", headerFilter: true, frozen: true, formatterParams:
        {
        labelField:"Extension Name",
        urlPrefix: "https://risc-v-certification-steering-committee.github.io/riscv-unified-db/manual/html/isa/isa_20240411/exts/"
        }
      },
      {name: "Description", formatter: "textarea", sorter: "alphanum", headerFilter: true},
      {name: "IC", formatter: "textarea", sorter: "alphanum", headerFilter: true},
      {name: "Extensions\nIncluded\n(subsets)", formatter: "textarea", sorter: "alphanum"},
      {name: "Implies\n(and\ntransitives)", formatter: "textarea", sorter: "alphanum"},
      {name: "Incompatible\n(and\ntransitives)", formatter: "textarea", sorter: "alphanum"},
      {name: "Ratified", formatter: "textarea", sorter: "boolean", headerFilter: true},
      {name: "Ratification\nDate", formatter: "textarea", sorter: "alphanum", headerFilter: true},
      sorted_profile_releases.map do |pr|
        {name: "#{pr.name}", formatter: "textarea", sorter: "alphanum", headerFilter: true}
      end
    ].flatten,

    # Will eventually be an array containing arrays.
    "rows" => []
    }

  arch.extensions.sort_by!(&:name).each do |ext|
    row = [
      ext.name,
      ext.long_name,
      ext.compact_priv_type,
      "UDB Missing",
      ext.max_version.transitive_implications.map(&:name),
      ext.max_version.transitive_conflicts.map(&:name),
      ext.ratified,
      if ext.ratified
        if ext.min_ratified_version.ratification_date.nil? || ext.min_ratified_version.ratification_date.empty?
          "UDB MISSING"
        else
          ext.min_ratified_version.ratification_date
        end
      else
        ""
      end
    ]