: You must use Java 8 to run Paper 1.9. Modern versions like Java 17 or 21 will fail to start the server due to severe code deprecation.
The offhand also allowed for:
Minecraft 1.9 isn’t just a combat update – it’s the update that dared to slow down the fastest game in the world. And in doing so, it made every fight matter. version 1.9 minecraft
The most divisive change was the introduction of . Players can no longer click as fast as possible to deal maximum damage; instead, a meter must recharge to deliver a full-strength blow. : You must use Java 8 to run Paper 1
The update focused on adding depth to combat and expanding the "end-game" experience: New Combat Mechanics And in doing so, it made every fight matter
Creating a blog post for version 1.9—famously known as the Combat Update
