Hyperliquid has announced significant updates for its native stablecoin USDH, as detailed by issuer Native Markets. The HIP-4 Outcome Markets have launched on the testnet, with all validator-deployed outcome markets priced in USDH. The mainnet launch will feature one-day binary prediction markets for BTC and HYPE. Additionally, the total supply cap for USDH has been increased to 500 million, with a borrowing cap of 100 million USDH. Individual user supply and borrowing limits have been raised to 5 million and 1 million USDH, respectively. These changes will take effect with the next network upgrade.