OpenAI's latest language model demonstrates unprecedented reasoning abilities, solving complex mathematical proofs and writing code with minimal errors, raising both excitement and ethical concerns in the tech community.

Microsoft's new AI code review system, integrated into GitHub, catches potential bugs and security vulnerabilities before deployment, dramatically improving code quality across thousands of repositories.

The long-awaited Ethereum upgrade delivers on its promise of scalability, processing 100,000 transactions per second while maintaining decentralization and reducing gas fees to pennies.