Iframely and Oembed Problems with UNA 14 Sirius

Before this version of UNA, I had no issues posting embedded content from trusted sources like YouTube. I used my IFramely key and tried Oembed, but neither worked, so I did some research. I then checked to see if the head of the UNA HTML source contained the oembed providers.json script, but I didn’t find it—unless it’s located somewhere else in the core plugins.

Before this version, I could paste the YouTube iframe script, and UNA would rewrite it by adding the class="ql-video" CSS class I believe, and it worked perfectly. In UNA 14 Sirius, it still rewrites it, but the video doesn’t appear in the submitted post, meaning I can see and watch it in the post editor, but it’s missing after submission.

  I hope to find out what is up with this, since this is no fun at all. No one is going to like this not working. I would have thought that selecting Oembed would be a fix but it was not.

Also, if my Apache environment is not working for me, of course it use to, any insight into potential server-side problems would help. Also, I am using PHP 8.4.