After Ethereum completes Istanbul upgrade, 86% of nodes have completed the upgrade

On December 8, the Ethereum Istanbul upgrade was successful. As of now, 86% of the nodes have completed the upgrade, and 14% of the nodes (376) are not ready for the upgrade. Among them, 14% of Geth client nodes (255) and 15% of Parity client nodes (111), and other client nodes include Teth (5), Multigeth (2), Aleth (1), Both Bor (1) and Ethereum-Scraper (1) are not ready for upgrade.