Edit: reply displays the image for me, quote doesn't...
You are right it is different when you quote and reply.
I am using microsoft edge as a browser.
Its back to normal now I guess:
Maybe the image was cache'd or something, who knows. Probably not a bug.
Got me excited and all. Haha, so this is the first that this came up? I can't believe I was the first to notice this. Or maybe others did but they knew it is not a bug. grrr