v13.0.4

Before you upgrade, please take note of any breaking changes and deprecation notices which may affect your site. View the Upgrade Guide to see examples of how to address breaking changes.

Bug fixes 🐛

Fixed an issue where iframe Embeds weren't being displayed at the correct width and height in Safari #627
Fixed a link on v13.0.3 release notes that pointed to localhost #628

Other changes

Updated preview.md with new instructions on how to use the new design previewer #626