The Frustrating Experience
This guide outlines the prerequisites, installation steps, and verification process to ensure you are running version 1.9.0 or newer. install playeranimator version 190 or later
For Minecraft 1.20.1: You likely need version 1.0.2-rc1 or higher. Occasional IK (Inverse Kinematic) jitter on frame drops
As I downloaded the plugin from the Unity Asset Store, I noticed that the version I was about to install was 1.8.0. I wasn't sure if that was the latest version, so I checked the plugin's documentation and found that version 1.9.0 had been released a few weeks ago. The notes for version 1.9.0 mentioned some significant improvements and bug fixes, so I decided to install that version instead. As I downloaded the plugin from the Unity
Version Matching: Ensure the file you download matches your game version (e.g., don't put a 1.21 file into a 1.20.1 game).