Polymarket Developers: The exchange upgrade will go live at 11:00 UTC on April 28 (19:00 Beijing time), with an expected downtime of approximately 1 hour.

Odaily reported that Polymarket Developers, the official development account of Polymarket, posted on platform X stating that the exchange upgrade will be launched at 11:00 UTC on April 28 (19:00 Beijing time on April 28), with an estimated downtime of about 1 hour. The V1 order book will be cleared, all outstanding limit orders will be canceled, and funds and positions will remain secure. Users trading via the API need to update to the latest SDK beforehand; the v1 client will cease to function after the switch.