* Add `config.action_text.attachment_tag_name`, to specify the HTML tag that contains attachments. *Mark VanLandingham* * Expose how we render the HTML _surrounding_ rich text content as an extensible `layouts/action_view/contents/_content.html.erb` template to encourage user-land customizations, while retaining private API control over how the rich text itself is rendered by `action_text/contents/_content.html.erb` partial. *Sean Doyle* * Add `with_all_rich_text` method to eager load all rich text associations on a model at once. *Matt Swanson*, *DHH* Please check [6-1-stable](https://github.com/rails/rails/blob/6-1-stable/actiontext/CHANGELOG.md) for previous changes.