Ultimate Voxel Optimizer for Unity is now released and on sale for two weeks! This includes ALL of the UVO source code, so you can optimize your meshes in realtime! Asset store
Unity3D Mesh Face Optimization examples - YouTube
Unity - Manual: Models
Optimizing your VR/AR Experiences - Unity Learn
MeshKit Plugin For Unity - Mesh Optimization - YouTube
Unity for Games @ #GDC23 on Twitter: "5⃣Physics can be expensive on mobile 💵 Squeeze out a few more frames per second! In the PlayerSettings, check Prebake Collision Meshes whenever possible. https://t.co/eG8R4TyvNS" /
FBX Import Settings on Mesh Assets - Unity Answers