ZEN 2.0.22 is out now! This is a mandatory upgrade for all exchanges, mining pools, node operators, and full node wallet users. You must upgrade to ZEN 2.0.22 prior to block #831936, which will occur around the 17th of November
ZEN 2.0.22 includes upgrades like a hard Fork at mainnet block 835968/testnet block 735700 with minor changes to OP_CBAH handling and more.
Get the full list of updates and upgrade link on our announcement.