BCIP-20: Upgrade to v3.1.3 - Height Deadline Confirmation

Context

Following the approval of BCIP-19 (https://www.cosmoscan.io/proposal/19), this proposal confirms the upgrade height deadline for v3.1.3 on mainnet.

The upgrade will follow a soft upgrade approach:

• The chain continues using the current logic until the specified block height
• New logic is activated automatically after that height

Validators are required to upgrade their node to v3.1.3 before the deadline below.

Upgrade Schedule

• Upgrade deadline: Height 64214000 (estimated time: 07 May 2026 08:00 UTC Time)
• Network: Mainnet

All validators should complete the upgrade before this height to ensure a smooth transition.

Voting Guidance

• YES → Agree with the proposed upgrade deadline
• NO → Disagree with the deadline or request adjustments
• ABSTAIN → No strong opinion on the proposed deadline