# v3.8.4

* Hyperliquid Subaccounts and vaults support
* New exchange connection button\&menu in header
* Position quick close: Added a hedge button on hedge mode, Disable reverse position for partial size
* Reduce-only mode
* Mobile : Improved header
* Binance show separate max long/short size
* Limit Click : Added quickbutton to enable designer from form
* Fixed : If you close a position while running a reduce TWAP, twap will shut down
* Fixed: Designer SL sometimes wont show on-screen w/ OCO orders
* Bybit improved rate-limit
* Removing a hyperliquid key invalidates it on HL too
* DOM misc. fixes