testnet-v1.81.0 testnet-v1.81.1

low risk

MystenLabs/suiSep 29, 2026 → Oct 6, 20267 days between releases

What's New

Protocol v138 maintained; adds GraphQL Balance.coinMetadata field and CLI withdrawal syntax.

New Features

  • GraphQL: Adds nullable Balance.coinMetadata field
  • CLI: sui client ptb accepts withdrawal(amount) syntax

Upgrade Notes

No configuration changes required. Note the new nullable Balance.coinMetadata GraphQL field and updated CLI withdrawal syntax.

The Two Releases

testnet-v1.81.0

testnet-v1.81.0

Sep 29, 2026· 22 days ago

This release updates the Sui protocol to version 138, introducing changes to transaction effects, deferred transaction handling, and object funds checking. It also adds new metrics, GraphQL query capabilities, and improved CLI tools for testing and transaction building.

Full release notes
testnet-v1.81.1

testnet-v1.81.1

Oct 6, 2026· 15 days ago

This release updates the Sui Protocol to version 138, implementing gas model changes and new memory invariant checks for Programmable Transaction Blocks (PTBs). It also includes changes to transaction dependency reporting on testnet and introduces new observability metrics for validators.

Full release notes