We'll create fresh WordPress site with oEmbed Gists and Files installed. You have 20 minutes to test the plugin after that site we'll be deleted.
Use an Embed block and enter the URL for the Gist or the URL for a specific file within the Gist. If using the Classic Editor, place the URL on a line by itself. Not as a link.
Support for wp_oembed_get()
.
No shortcodes.