HDMI 2.0 Is Being Relabeled as HDMI 2.1 Tech News Eulis December 14, 2021 What was once HDMI 2.1 is now no more. HDMI 2.0 will now be called HDMI 2.1 and all the upgrades to HDMI 2.1 will be “optional” upgrades instead. Go to Source Author: