[Binance Upgraded Spot API Yesterday, Adding UTF-8 Unicode Support for Trading Pair Parameters] Foresight News reports that according to Binance's spot update log, a new version of the API was released on December 2. The main changes include: the parameters `symbol` and `symbols` now support UTF-8 encoded Unicode values, and FIX API messages also support UTF-8 encoded Unicode, applicable to seven specified tags such as Currency and Symbol. The update will be rolled out in phases and is expected to be fully deployed within two weeks. Foresight News previously reported that Binance Spot's SPOT testnet deployed a system update at 10:00 on December 1, 2025, with parameter support for UTF-8 encoding.