In order to apply with the GDPR, we need to make sure that all fonts specified in the Theme Customizer are stored locally.
In Theme Customizer do not show the preview when changing Font Family
If you select a new font family, under dropdown we see a message: To see the typography preview you need to download [link] this font family locally
Clicking on download - downloads the font and display preview
If you click Publish without downloading font - a popup appears with message: "In order to comply with the GDPR, you need to download all font families and store them locally on your server." and 2 buttons a) Download & Publish b) Revert & Cancel
In order to apply with the GDPR, we need to make sure that all fonts specified in the Theme Customizer are stored locally.