Field offsets no longer work as expected after 7.x-1.9.

Field offsets no longer work correctly after upgrading to 7.x-1.9. The issue with array_slice is that it preserves the keys, so if you are offsetting by 5 the field deltas are keyed starting from 5, causing later rendering to be tripped up in template_preprocess_field:

$variables['items'] = array();
  foreach ($element['#items'] as $delta => $item) {
    if (!empty($element[$delta])) {
      $variables['items'][$delta] = $element[$delta];
    }
  }

-    $new_values = array();
-    for ($i = 0; $i < $delta_limit; $i++) {
-      $new_delta = $offset + $i;
-
-      if (isset($all_values[$new_delta])) {
-        $new_values[] = $all_values[$new_delta];
-      }
-    }
-
-    $all_values = $new_values;
+    $all_values = array_slice($all_values, $offset, $limit, TRUE);