29+ Villagers Trades 1.16.2 Background. This only defines the look of your villager. There are many great trades that they add.
Glitches are always a possibility, and since librarians can sell more than one type of. You can add nbt tag data for named and enchanted items (other tags may work too). There are many great trades that they add.
Is this a glitch or do they change their trades now after a certain at least on java, once a villager chooses a trade they should keep it.
There are currently 5 types of villages. Each trade needs at least one buy item and one sell item. To make villagers trade what you want in minecraft, use the following tags to customize your command code to specify their individual buy / sell settings. There are many great trades that they add.