本次发布的版本建立在EOSIO 2.0代码库上，利用EOSIO 2.1最好的功能进行了优化。部署之后，Mandel能够实现更大的合约，其运转速度比以前的合约都快。此外我们还加入了动作返回值，这样就可以让区块链内部交流能更好地获得数据和证明。最后，Mandel系统合约的升级让我们能更好地控制EOS权限系统运行，这样就给未来智能合约代表用户支付交易费用奠定了基础。
Fractall感谢EOS Network Foundation为Mandel的开发提供资金支持，这也是几年来它第一次和社区合作升级EOS网络。
On December 19th, I published a roadmap for EOS to migrate from EOSIO to Mandel. The first milestone has been reached on schedule with the release of Mandel 3.0 RC1, the first community funded and developed hardfork of EOS.
This release builds on the EOSIO 2.0 codebase and pulls in the best features from EOSIO 2.1. Once deployed Mandel will enable larger contracts that run faster than ever. The addition of action return values will enable more powerful data access and proofs for inter-blockchain communication. Lastly, updates to the Mandel system contracts give more control over how the EOS permission system works which lays the foundation for smart contracts to pay for transactions on behalf of their users.
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Fractally added one additional feature not mentioned on the original roadmap: the ability to read the contract version of another account. This will enable security and performance enhancements. These enhancements will help with contract pays implementations.
Next Steps — Community Test Network
The next step is for the EOS community to deploy Mandel 3.0 to a test network. The Fractally team will provide support to fix any bugs discovered. Because most of the features have been tested on EOSIO 2.1, this process should hopefully complete in about a month.
Fractally would like to thank the EOS Network Foundation for funding the development of Mandel and working with the community to upgrade the EOS network for the first time in years.
You can check out the release notes on GitHub.
I would like to thank the Fractally development team, especially Todd & Steven for making this release possible.
Future of DAOs — Upcoming Fractally White Paper