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Now (up to 23.1)
"Shanghai" Upgrade
First fork after Mainnet, whatever it is called. Bullets are notional until committed to on All-Core-Devs calls.
- Withdrawals from the beacon chain
- New Push0 op-code and gas costing changes
Client enhancements
- Shanghai devnets & Zhejiang testnet
- Staking withdrawals in Besu
- EOF (delayed, feature complete)testnets
- Execution performance improvements
- Bonsai Stability Refactor (new format, bug fixes, & auto-heal)
- RPC enhancements and improvements (streaming, accuracy/bug fixes, memory usage)
Later (up to 23.4 and beyond)
Cancun Upgrade
- EIP-4488 - Sharding 4844 - Sharding and data availability sampling first steps
- Ethereum Object Format support
- Code Segments
- Jump Tables
- New Opcodes
- New op-codes and gas optimizations
Modularization of Besu
The goal is to shorten release cycle of Besu, increased adoption of Besu leveraged by composability
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