# Class names update in 4.6.0

In [WooCommerce Blocks 4.6.0](https://developer.woocommerce.com/2021/03/02/woocommerce-blocks-4-6-0-release-notes/) we replaced the classes as listed below.

## Replaced classes

| Removed                                   | New class name                           |
| ----------------------------------------- | ---------------------------------------- |
| `wc-blocks-components-panel`              | `wc-block-components-panel`              |
| `wc-blocks-components-panel__button`      | `wc-block-components-panel__button`      |
| `wc-blocks-components-panel__button-icon` | `wc-block-components-panel__button-icon` |
| `wc-blocks-components-panel__content`     | `wc-block-components-panel__content`     |

<!-- FEEDBACK -->

---

[We're hiring!](https://woo.com/careers/) Come work with us!

🐞 Found a mistake, or have a suggestion? [Leave feedback about this document here.](https://github.com/woocommerce/woocommerce-blocks/issues/new?assignees=&labels=type%3A+documentation&template=--doc-feedback.md&title=Feedback%20on%20./docs/designers/theming/class-names-update-460.md)

<!-- /FEEDBACK -->