* Feature: Authenticated channel support for Bitget
* New Exchange: FTX TR
* New Exchange: AscendEX Futures
* Update: AscendEX, add sandbox endpoint. Add channel filter.
* Update: Binance, add sandbox endpoint.
* Update: Binance Delivery, add sandbox endpoint.
* Update: Bitmex, add sandbox endpoint.
* Update: KrakenFutures, add sandbox endpoint.
* Bugfix: Bybit, the quantity for order_info stream was incorrect.
* Bugfix: Bitmex, timestamp was not returned in book.
* Bugfix: KrakenFutures, timestamp was not returned in book.
* Bugfix: Phemex, websocket subscription error.
* Bugfix: OKX, liquidations subscription was never called.
* Update: OKX, use publicly available channel for book updates.
* Bugfix: Fix race condition when resetting feeds with multiple connections
* Update: Send Phemex subscriptions one symbol at a time
* Bugfix: BitDotCom, the subscription message for perpetuals was incorrect
* Bugfix: Allow empty subscriptions (channel with no symbols) for FTX
* Update: Add SOL and USDC to Deribit symbol mapping