According to Odaily Planet Daily, Neo released the Neo X Gamma version of the testnet. This version introduced a strategy-based transaction fee burning mechanism, replacing the dynamic evaluation base rate of EIP-1559.
This version also includes compatible protocol extensions, enhanced system contract functionality, cross-chain bridge improvements, and documentation updates. In addition, after a security audit, this version also makes enhancements and stability fixes to the system contract and dBFT protocol.
This version of Neo X node is based on v1.13.11 Geth and supports the Shanghai fork as the latest Ethereum compatible fork. Neo X plans to use the Gamma version to become a long-term TestNet.