Chainlink has launched its Off-Chain Reporting (OCR) on the mainnet, marking a significant advancement in the scalability of its decentralized oracle networks. This development enhances data computation efficiency across Chainlink oracles, reducing operating costs by up to 90% and enabling a substantial increase in the availability of real-world data for smart contract applications. OCR supports the development of more sophisticated smart contracts by allowing Chainlink nodes to efficiently communicate off-chain and aggregate data without incurring gas costs, thereby facilitating trust-minimized computations. The upgrade is expected to accelerate innovation in DeFi, decentralized insurance, blockchain gaming, and other sectors by providing developers with access to diverse datasets and advanced computational capabilities. OCR also improves oracle network decentralization, reduces latency and network congestion, and enhances security through a multi-client setup. The implementation of OCR serves as a foundational step for future off-chain computations and applications like Fair Sequencing Services and DECO, further expanding the scope of Chainlink-enabled smart contracts.