Wix Editor Request: Switching an Existing Site's Template (with Content)

Feature Request|We are collecting votes for this issue
It is not currently possible to transfer all your site's content, media, and SEO settings from an existing site to a new template.
Just want to update your site's look?
Choose your site's colors, text, and page transitions all from the Site Design panel.
We are always working to update and improve our products, and your feedback is greatly appreciated.