ACDE #216 delivered concrete progress on Ethereum's next major upgrades. Devnet-2 stability assessments are complete with client-specific bugs resolved across Lighthouse, Lodestar, Nimbus, and Prysm. Core parameters for Devnet-3 under the Fusaka upgrade are now locked, targeting July 23 launch.
The call introduced PeerDAS testing workflows — a critical piece for blob throughput scaling. This represents Ethereum's methodical approach to data availability scaling, moving beyond simple blob count increases to more sophisticated peer-to-peer data distribution mechanisms.
Fusaka continues progressing through devnet phases, while Glamsterdam's framework for blob-throughput scaling got initial structure. The dual-track development (execution + consensus layer headliner selection) shows Ethereum's matured coordination between client teams.
Client diversity strengthens with all major consensus clients showing active development. The structured devnet progression gives infrastructure providers and web3 tools developers 2026 roadmap clarity for building compatible systems.
- **Testnet builders**: Devnet-3 launches July 23 — perfect for testing dApp compatibility
- **Infra teams**: PeerDAS testing workflows offer early integration opportunities
- **Protocol researchers**: Blob scaling discussions are just beginning, room for contribution
- **Tooling creators**: Client bug fixes create opportunities for improved debugging web3 tools developers 2026 will need
Devnet-3 targeting July 23, followed by continued Glamsterdam specification work. The methodical devnet progression suggests mainnet Fusaka could hit early 2026, with Glamsterdam following mid-2026.
Core dev calls remain the best signal for serious builders tracking Ethereum's technical evolution.
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