View attachment 47430
FYI the &list= at the end of the embed src seems to be what's breaking it.
If you plug the src into a new browser window it also says 'Video Unavailable', remove the &list= and it works.
XenForo 2.2.6 Patch 2 Released
XenForo 2.2.6 included support for YouTube embeds which contain a playlist ID which allows an embedded video to be viewed within the context of the playlist it is part of. While this was working perfectly fine, YouTube seemingly made a change yesterday which prevented all YouTube embeds from displaying because many of them would have had an empty list parameter in the embed URL.
XenForo 2.2.6 Patch 2 and Add-On Updates Released
XenForo 2.2.6 Released XenForo 2.2.6 is now available for all licensed customers to download. We strongly recommend that all customers running previous versions of XenForo 2.2 upgrade to this release to benefit from increased stability. One-click upgrade to XenForo 2.2.6 Directly from your...xenforo.com