Maintenance Required Libvpx Verified Today

| Feature | libvpx (VP9) | libaom (AV1) | SVT-AV1 (AV1) | | :--- | :--- | :--- | :--- | | | Good (30-50% better than H.264) | Excellent (30% better than VP9) | Excellent | | Encoding Speed | Moderate | Slow (Reference Implementation) | Very Fast | | Decoding Support | Ubiquitous (Hardware & Software) | Growing (Hardware support lagging) | N/A (Encoder focus) | | Maintenance Effort | Low (Stable) | High (Active Dev) | High (Active Dev) |

To understand the "maintenance required" context, one must compare libvpx with its successor and competitors: maintenance required libvpx

Even if your OS is "stable," the stable version of libvpx is likely insecure. | Feature | libvpx (VP9) | libaom (AV1)