At the beginning of this month, Union launched the second phase of its testing website (with a tutorial attached at the end of the article) @Union_fuild launched the V1 final test Testnet 9 in February, and later released V2 at the beginning of the month. Compared to the previous Testnet 9, V2 has undergone varying degrees of updates in both the front-end and back-end (such as v2 existing as a permanent test network) Front end UI optimization, while the backend is aggressively launching real-time network graphs, launching the old face Kong Xion chain, and restarting Sepolia/Holesky. Previously