Ruby - Bug #17317: In 2.7.2, Hash#except doesn't seem to exist, but is in the documentation

mame (Yusuke Endoh)
2020-11-11T13:01:41Z

If I recall correctly, we have received some issue reports about ruby-doc.org maybe because the site looks official to many people. The site is undoubtedly valuable to Ruby ecosystem, but the confusion is a bit unfortunate. I wonder if we can do anything.