Polymarket, a decentralized prediction market platform, has successfully completed the upgrade of its spot order book CLOB v2, with trading functions gradually resuming. According to ChainCatcher, the platform experienced a brief downtime during the upgrade, which led to a temporary suspension of trading and clearing of the order book. However, user funds and positions remained secure throughout the process. Following the launch of the new version, Polymarket initiated a liquidity reward program totaling $1 million, distributing $500,000 in the first two hours and the remaining $500,000 throughout the rest of the day.