Testnet consensus version (V22) activation height: 20,415,000 (estimated Tue 2026-10-13 ~08:00 UTC, the evening of Mon 2026-10-12 PT).
Network: testnet. ConsensusVersion::V22 raises the maximum number of mappings in a program to 128 and lowers the testnet maximum number of certificates to 40. This release also carries everything merged to staging through snarkOS #4531 and snarkVM #3485.
Who needs to act
All testnet validators and node operators need to upgrade before the activation height.
Built against snarkVM testnet-v4.12.0 (532d8fdf7).