According to the official announcement, Binance Futures will update the leverage and margin tiers of the following U-margin perpetual contracts at 12:30 on October 9, and users' current positions will be affected. Specifically, they include: XMRUSDT and XLMUSDT U-margin perpetual contracts, XTZUSDT U-margin perpetual contracts, AAVEUSDT U-margin perpetual contracts, and NEARUSDT U-margin perpetual contracts.