Zcash targets November 5 for NU7 mainnet activation after testnet deployment scheduled for October 6.NU7 would cut block spacing from 75 seconds to 25 seconds under draft ZIP 218.Coinholders backed existing halvings with 98.9% support and February 2031 NSM reissuance with 96.6% support.Version 4 transactions would be disabled at activation, preventing further spending from legacy Sprout funds.Developers will make the final mainnet decision October 20 after reviewing NU7 testnet performance carefully.