Solana announced an update stating that after successfully upgrading to v1.17.20 and restarting the cluster by validator operators, block production of Solana's mainnet beta resumed at 14:57 Coordinated Universal Time (UTC). As network operations recover, engineers will continue to monitor performance. The interruption began around 09:53 UTC and lasted for about five hours. Core contributors are writing a root cause report which will be provided upon completion.