upgrading.html

<h3>Updating templates</h3>
If you have theme files for node-view-$viewname of comment-view-$viewname you have
to convert them to node--view--$viewname or comment--view--$viewname.

<h4>Updating table templates</h4>
The class variable was renamed to $classes. Additional if you want to add
classes, you should add it to $classes_array and drupal will automatically convert it to the $classes string.