Optimism Schedules Superchain 16a Upgrade; Dev-Friendly Toggles, No User Impact Expected

by CryptoExpert

September 20, 2025

in Blockchain News

Optimism Schedules Superchain 16a Upgrade; Dev-Friendly Toggles, No User Impact Expected

The Ethereum layer two (L2), Optimism, plans to roll out its Sepolia Superchain Upgrade 16a to testnet on Sept. 22 and mainnet on Oct. 2, pending governance approval, tightening safety screws without touching end users. Optimism Superchain 16a Targets Oct. 2 Mainnet With Code Pruning, Flex Controls Billed as a maintenance release, Optimism’s 16a removes […]

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Zelensky sets NATO agenda as Polymarket puts Crimea recapture odds at 12.5%

Base Resumes Block Production After 2-Hour Outage

Base Network Stalls After Invalid Block Freezes Sequencer

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