Gaia v29.0.0 Software Upgrade

Hub Proposals Software Upgrade
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Voting Information

The Gaia v29.0.0 software upgrade proposal for the Cosmos Hub mainnet is now open for on-chain voting.

  • Proposal: Proposal #1059
  • Voting period: 7 days
  • Voting deadline: October 27, 2026, at 12:00 UTC

Validators and ATOM delegators are encouraged to review the proposal and cast their votes before the deadline.

Upgrade Schedule

If approved, the Cosmos Hub mainnet will upgrade to Gaia v29.0.0 at the following block height:

  • Upgrade height: 33,618,500
  • Estimated upgrade time: October 28, 2026, at 13:50 UTC

The estimated time may vary depending on block production.

Node operators should prepare and verify the v29.0.0 binary in advance and follow the official upgrade instructions.

Release Details

Gaia v29.0.0 removes the deprecated x/params module and legacy parameter APIs, cleans up obsolete state, and updates core dependencies.

Important operational note:

  • Multisig transactions: Due to a known gas simulation issue in Cosmos SDK v0.53.8, multisig senders must specify a fixed --gas value instead of using --gas auto.

For complete technical details and upgrade procedures, refer to the official documentation:

Governance Votes

The following summarizes the voting options and their meaning for this proposal:

YES - You support upgrading the Cosmos Hub to Gaia v29.0.0.

NO - You oppose upgrading the Cosmos Hub to Gaia v29.0.0.

NO WITH VETO - You consider the proposal spam or irrelevant to the Cosmos Hub, disproportionately harmful to minority interests, or contrary to the rules established by Cosmos Hub governance. If the applicable veto threshold is exceeded, the proposal is rejected, and deposits are subject to the chain’s governance deposit-burning rules.

ABSTAIN - You wish to contribute to quorum but formally decline to vote either for or against the proposal.

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