WordPress block editor embeds not working in theme (single.php)

I am trying to embed ‘spotify‘ and ‘youtube‘ services in the block editor. When added from the admin, they are displayed fine in the block editor, but when the post content is printed from the theme (single.php), only the respective urls are printed. The rendered HTML looks like:

Q&AAugust 4, 2022August 5, 2022

YouTube API 403 error when website restriction set

I am loading the latest videos from a YouTube channel to WordPress, using the YouTube API:

Q&AAugust 3, 2022August 4, 2022

Setting a post’s featured image from an embedded YouTube video

If I create a post that has an embedded YouTube video in it (so all I do is paste the YouTube URL into the post and let WordPress automatically embed it for me), is there a way to have the thumbnail image of the video set as the post’s featured image?

Q&AAugust 3, 2022August 4, 2022

How can I clear oEmbed caches for YouTube on posts as they are loaded

I have a site with tons of posts hundreds/thousands of which have YouTube videos embedded. Most use the default youtube_url format and the actual embed code is stored in the oEmbed postmeta fields.

Q&AAugust 1, 2022August 2, 2022

add_filter to youtube embeds?

hey guys,
when posting a youtube video link in the backend (in a post or a page) wordpress is automatically creating the embed code for me.

Q&AAugust 1, 2022August 2, 2022

How to Replace YouTube Videos with a “Click to Play” Thumbnail?

I use a lot of embedded videos (via oembed) on my blog, and that can slow down page loads.