I posted Chat "show x more" starred messages doesn't result in a scrollbar, which I'm aware is an exact duplicate of "show X more" (starred) in chat is a tease
The older question is more than 5 years old and it's not going to get any new attention any time soon. If the newer question got an answer, we could mark the older question as a duplicate. Additionally, in this particular case it's a meta bug report, and the SE dev team may now have more time and resources to fix the bug; bringing it to their attention again may result in a bugfix.
At first I was quite sure that it should be fine, but thinking about it some more I'm not 100% sure. Is it appropriate and/or acceptable to post an exact duplicate of a question that has no answer? Does this differ between meta and non-meta?