* kucoin: fetchBalance, isolated margin (22033) [677559e87a](https://github.com/ccxt/ccxt/commits/677559e87a0cd4ab2d90a67510c531bfdc708a71)
* fix(mexc): stop infinite loop caused by fetchLeverageTiers (22034) [6eaa959815](https://github.com/ccxt/ccxt/commits/6eaa95981578d0f2e3c3e954d4f726fb379ce0f7)
* CurrencyInterface and TradingFeeInterface (21988) [1801d4b7d8](https://github.com/ccxt/ccxt/commits/1801d4b7d8fb519b33c238488e1a7f615eae28a7)
* fix(Client.cs): protect sendAsync (22039) [b953aa72db](https://github.com/ccxt/ccxt/commits/b953aa72db413258dea98ad5af32f40b9c6fae84)
* fix(bitget): watchBalance spot margin (22040) [3d232b961b](https://github.com/ccxt/ccxt/commits/3d232b961b6c16253244bd8e218099d79ff05b56)
* fix: common_currency_code python tranpilation no longer causes error 'AttributeError: list object has no attribute "values"' (22043) [8b2a321a43](https://github.com/ccxt/ccxt/commits/8b2a321a432b0eb0223f9f3cf90755949c5f7878)
* 4.2.89 [9a01a2de4f](https://github.com/ccxt/ccxt/commits/9a01a2de4f873e0bca97acec5eaf844e8e85959e)