The upgrade cleared key tests on Sepolia and now moves toward testnet on October 6.
• Raised the block gas limit from 60M to 200M gas
• Added block-level access lists for parallel transaction processing
• Aims to boost throughput and ease fee spikes, though larger blocks may push up node operating costs
If it delivers, Ethereum's throughput and fee behavior improve meaningfully. Mainnet timing is becoming a bigger factor for ETH sentiment.