Woofun AI reports that Zcash developer Sean Bowe confirmed the Ironwood upgrade will deploy to the testnet tomorrow, with mainnet activation projected for approximately July 21. Consensus rule changes have been implemented and audited, while specifications are nearing finalization. The upgrade introduces a new shielding pool using the Orchard protocol, adding flags to disable outgoing payments for privacy. Existing pools will face valueBalance constraints, requiring users to migrate funds to new pools to prove legitimacy.