Support 1.17, 1.16, 1.15, 1.14, 1.13, 1.12, 1.11, 1.10, 1.9, 1.8, 1.7, 1.6, 1.5, 1.4.7 clients on Spigot/Paper 1.17

Shows your item in hand, inventory contents and enderchest contents as well as placeholders in the chat!

Bukkit

Packetevents