If you're encountering the error 'This video is unavailable' for YouTube videos shared on your forum, and you have XenForo 2.2.6 Patch 1 installed, updating to XenForo 2.2.6 Patch 2 can resolve this issue.
XenForo's explanation:
XenForo 2.2.6 included support for YouTube embeds containing a playlist ID, allowing embedded videos to be viewed within the context of the playlist. While this was functioning correctly, YouTube seemingly made a change that caused all YouTube embeds to stop displaying, as many of them had an empty list parameter in the embed URL.
XenForo's explanation:
XenForo 2.2.6 included support for YouTube embeds containing a playlist ID, allowing embedded videos to be viewed within the context of the playlist. While this was functioning correctly, YouTube seemingly made a change that caused all YouTube embeds to stop displaying, as many of them had an empty list parameter in the embed URL.
Oyla
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