In March 2020 Udemy made more changes which meant FREE courses can only be up to 2 hours long. So, if you've already uploaded 2 hours of lectures and not yet set your course price, this is why Udemy are showing lectures as unpublished. Simply go and set your course price then return to your lectures and you'll see you can now publish them Click Here To Watch Video Tutorial Hope this helps, Mark Laxton
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