Bitfinex will perform a system upgrade at 18:30 on November 28th, at which time it will stop for 3 to 7 hours

Bitfinex issued an announcement saying that the system upgrade will be carried out at 18:30 on November 28, at which time it will stop for about 3 to 7 hours. This upgrade is designed to enhance the stability and scalability of the iFinex infrastructure.