Hey, I recall that too, but you can do it via the #PostNumber just at the bottom left of each post
HTTP://i.imgur.com/MDQrqhC.png
Although I just noticed something with it - all 3 options copy the same info to clipboard,
just with different text preset.. Think the second one is meant to link to the thread instead of the selected post?
E: The page number buttons at the bottom work too, can right click page 1 and get link info copied to clipboard for front page of thread
Selective Completionist