[//]:content-type-MARKDOWN-DONOT-DELETE To provide with more time for adaptation, the release date of the following two **spot** features has been postponed from **April 29, 2025** , to **May 6, 2025** : 1.Added level identifier field "l" to spot channel spot.order_book, used to specify the order book level parameter by the user at the time of subscription. **Update scope:** spot.order_book channel 2.Optimization of the order book update channel logic, supporting dynamic switching between full and incremental data pushes, and adding a full data indicator field "full". **Update scope:** spot.order_book_update channel These two features have already been launched in the spot testnet environment. The WebSocket URL for the testnet environment is: wss://ws-testnet.gate.io/v4/ws/spot Thank you for your understanding and cooperation. If you have any questions, please feel free to contact us. Gate.io Team April 29, 2025 **Gateway to Crypto** Trade over 3,500 cryptocurrencies safely, quickly, and easily on Gate.io **Take Action Now** Sign up and claim up to $10,000 in welcome rewards Invite friends and earn a 40% commission **Stay Connected** Visit Gate.io's official website Download the Gate.io App | Desktop Follow us on X (Twitter) to get more bonuses Join our Telegram community to discuss trending topics Engage with our global community for the latest insights **Transparency & Security** Check our 100% Proof of Reserves

Announcement on Postponement of Spot WebSocket Order Book Feature Updates