testnet-v1.81.1 mainnet-v1.81.1
MystenLabs/suiOct 6, 2026 → Oct 7, 20261 day between releases
What's New
Identical release notes provided; no explicit changes detected between versions.
The Two Releases
testnet-v1.81.1
Oct 6, 2026· 16 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 notesmainnet-v1.81.1
Oct 7, 2026· 15 days ago
This release updates the Sui Protocol to version 138, introducing gas model changes, new memory invariant checks for PTBs, and modifications to transaction dependency reporting. It also adds new observability metrics for node operators and enhances the GraphQL API and CLI tools.
Full release notes