I've cured this librarian 3 times but the bookshelf trade is still at 3 emeralds. Used to be able to go down to 1 emerald right? Is the infinite emerald fixed now?
Villager Glass Pane Trade is OP (Read description for more info!) - YouTube
Trading – Minecraft Wiki
Actually infinite XP and emeralds with villager trades, trades, and steps shown below kinda self-explanatory once you see the trades. : r/Minecraft
How to get infinite emeralds by trading in Minecraft
♢ Minecraft Villager ♢ Professions & more | GPORTAL Wiki
New Infinite Emeralds Trick using 1 Item! | Minecraft [STILL works] - YouTube