This release implements the 3.2 Stacks consensus rules which activates at Bitcoin block 907,740. For more details see SIP-031.

This is a required upgrade

• Activation is estimated for July 29th, 2025 around 1800 UTC, or Bitcoin block 907,740.
• Upgrading after Bitcoin block 907,740 will require a genesis sync.

This release is compatible with chainstate directories from 3.x.x.x.x.

The version of stacks-node compatible with this release is 3.2.0.0.0, available at: https://github.com/stacks-network/stacks-core/releases/tag/3.2.0.0.0.

Note: This version of the stacks-signer (3.2.0.0.0.0) requires stacks-node 3.2.0.0.0 as it contains a DB schema change.

Added

• Added info logs to the signer to provide more visibility into the block approval/rejection status
• Introduced capitulate_miner_view_timeout_secs: the duration (in seconds) for the signer to wait between updating the local state machine viewpoint and capitulating to other signers' miner views.
• Added codepath to enable signers to evaluate block proposals and miner activity against global signer state for improved consistency and correctness. Currently feature gated behind the SUPPORTED_SIGNER_PROTOCOL_VERSION

Changed

• Do not count both a block acceptance and a block rejection for the same signer/block. Also ignore repeated responses (mainly for logging purposes).
• Database schema updated to version 16