According to @Celo on X dated Dec 29, 2025, cLabs executed four successful hardforks in 2025, highlighting concrete delivery milestones for the CELO network (source: @Celo on X, Dec 29, 2025). According to @Celo on X dated Dec 29, 2025, these upgrades included migrating Celo to an Ethereum Layer 2 architecture, a key change for network alignment with the ETH ecosystem (source: @Celo on X, Dec 29, 2025). According to @Celo on X dated Dec 29, 2025, OP Succinct Lite was activated on mainnet through the Jello Hardfork earlier in December, marking the latest production upgrade in the series (source: @Celo on X, Dec 29, 2025).