Youtube thumbnails not displaying in Firefox

Bug
1

Don’t know if this counts as a bug, but embedded YouTubes no longer display a thumbnail in firefox.

image
image764×438 8.42 KB

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2

Testing another one…

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3

Confirmed, this is a new regression. @techAPJ can you have a look today?

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5

Fixed via this commit (and a follow-up commit to fix build).

Looks like Firefox does not support protocol-relative URLs (//img.youtube.com) in CSS anymore? To fix this I switched to using https://img.youtube.com URL by default as per this answer on Stack Overflow.

Thanks for reporting this issue @smrtey :+1:

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