Features
Face Tracking via VRCFaceTracking v5+ OSC application. It does not support older versions.
Custom animations for ear and tail.
Ear follows eye gaze.
Happy/Sad ear movement
Control your tail with your Jaw.
Pupil Dilation for Vive Pro and a custom animation for any other hardware.
Supports to all hardware. Tested on Quest Pro, Pico 4 Pro, Vive Pro Eye and Vive Facial Tracker. Thanks to VRCFT Unified Expressions.
It is ready to upload, comes with a Scene with all unity setup required, very easy to use.

Requirements
Original package from Kittomatic sold on gumroad. Addon support latest version (Novabeast_V1_0).
This addon requires that your fbx model is original and has no changes. The patcher will not add blendshapes to a custom fbx.
VRCFury.

Credits
VRCFaceTracking - For the OSC application facetracking modules.
Hash - For their Patcher tool that allow us to create our own patcher as well.