Network Upgrade 7 activated on the Zcash public testnet at block 4,465,026, mined at 18:21:45 UTC on October 4, and the final go or no-go call on mainnet deployment is set for October 20, with November 5 as the target activation date. The headline change is the target block interval, which most reporting puts at a cut from 75 seconds to 25 seconds. Worth flagging that the coverage is not unanimous on the direction of that change, with at least one outlet describing longer block times while contradicting itself later in the same piece, and KuCoin's roundup notes the Zcash Foundation had not clarified it at the time of writing. We are treating 75 to 25 as the likely figure rather than a settled one, and the NU7 specification is where it gets confirmed. Either way this is a consensus-level parameter, which means node operators and miners have to adopt it rather than opt in gradually, and a change to how often blocks arrive touches per-block reward accounting and confirmation assumptions across every service that quotes a number of confirmations.