vrc-avatars

VRChat avatar optimization requires managing triangles, materials, bones, PhysBones, and texture memory to meet Quest and PC performance targets. This keeps avatars visible in crowded environments without exceeding platform limits.

The VRChat Avatar 3.0 parameter budget for synced expressions is strictly 256 bits. You must allocate these bits across built-in and custom parameters to build rich expression menus while staying within the limit.

Setting up a humanoid avatar hierarchy in Unity involves configuring the armature, visemes, and playable layers within the Avatar Descriptor. This structure ensures consistent avatar behavior and expression control across VRChat.

You can use PhysBones on a VRChat avatar without exceeding limits by carefully balancing them against your triangle, material, and bone counts. PhysBones are explicitly tracked within the strict performance budgets for both Quest and PC platforms.

Your VRChat avatar may not show up in crowded instances if it fails to meet platform-specific performance budgets. Avatars that exceed triangle, material, texture memory, or PhysBones limits are often hidden to maintain framerate.

You need to plan expression menus before building Avatar 3.0 in Unity to ensure your custom parameters fit the 256-bit synced budget. Pre-planning prevents exceeding parameter limits and avoids costly rework later.