Decentralized lending protocol Aave has lost its key risk manager, Chaos Labs, amid broader contributor exodus and disputes over the platform's upcoming V4 upgrade. The departure represents a significant blow to Aave's risk management capabilities at a critical time. A key sticking point has been Aave's V4 upgrade, which introduces a new architecture and significantly expands the scope of risk management requirements. The loss of Chaos Labs, which has been instrumental in managing risk across Aave's various lending markets, raises questions about the protocol's ability to maintain its current risk standards during the transition. This comes at a time when DeFi protocols are facing increased scrutiny following major hacks like the recent Drift Protocol exploit.