Minecraft Forums

https://mrgarretto.com/entityconverter works put the 1.10 command in da top and get da 1.11 command from da bottom! (also heres yours /summon villager 307 4 -849 {Profession:0,CustomName:"Gilbert",CustomNameVisible:1,ArmorItems:[0:{Count:1,id:air},1:{Count:1,id:air},2:{Count:1,id:air},3:{Count:1,id:skull,Damage:3,tag:{SkullOwner:{Id:"7cb7a096-bf93-4ff3-98e4-de745a105d89",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvN2VjYWU4ZmRkOTIzM2I4MmRjMmY3YTk0NDU0NTBiNGE1MmYxYzM4M2EyNDE3OTkxYzgyZWQ3MWJmNzk1YWMxIn19fQ=="}]}}}}],Career:1,CareerLevel:42,Silent:1,NoGravity:0,CanPickUpLoot:0,NoAI:0,PersistenceRequired:1,Invulnerable:1,Attributes:[{Name:"generic.knockbackResistance",Base:1f},{Name:"generic.movementSpeed",Base:0f}],Offers:{Recipes:[]}} )

This the working version of java for Minecraft 1.17 https://www.oracle.com/java/technologies/javase-jdk16-downloads.html

Edit: clarity and spelling