Upgrade

Install a MAINNET deb on a secret-4 node that already has a seed. Do not register again.

If this node signs, it must be the only signer. Stop the process before you swap the binary. SGX has to already work.

• 1.27.3. Scheduled for 9:00 America/New_York on 13 October 2026 (13:00 UTC). Release: v1.27.3.
• 1.27.2. The halt at height 27286266 is over. The chain is producing blocks. Release: v1.27.2.