According to official sources, aelf mainnet has been upgraded to version V1.8.0. This version allows aelf to create and trade NFT and SFT in fractional form, enabling partial ownership and enhancing asset liquidity. By upgrading to v1.8.0, aelf has expanded the possibilities for creating NFT projects and can create such assets on any designated chain, whether it's a main chain or a side chain. Additionally, the new version introduces batch token trading approval to improve transaction efficiency.