Block size cap proposed to increase to 8MB, Zcash community proposes NU8 upgrade plan

Zcash community member ValarDragon has proposed the NU8 upgrade plan, recommending that the upgrade target be set for late January 2027. The plan includes launching the Tachyon shielded pool, expanding transaction formats, increasing the maximum block size from 2MB to 8MB, and adding transparent transaction opcodes that support post-quantum cryptography; ValarDragon stated that Tachyon combined with larger block capacity is expected to achieve shielded transaction processing capacity of approximately 200 TPS.