Sundae v4 Mainnet Launch
SundaeSwap (SUNDAE) · Releases & Updates · Oct 1, 2026
SundaeSwap launches Sundae v4 on Cardano mainnet October 1, 2026; preview testnet is live.
SundaeSwap (Sundae Labs) is a decentralized exchange (DEX) and DeFi protocol on Cardano. On October 1, 2026 the team launches Sundae v4 on mainnet, a major protocol upgrade, and a preview testnet is already live for users and integrators to test ahead of release. This entry tracks the confirmed Sundae v4 mainnet launch date announced by the official SundaeSwap account. Category: DEX / protocol upgrade and mainnet release on Cardano.