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Mezo Documentation

Release Notes & Updates

mezod Chain Client Releases

Section titled “mezod Chain Client Releases”

2026-02-18 - mezod v6.0.1

Section titled “2026-02-18 - mezod v6.0.1”
  • New stable mainnet patch release for mezod
  • Recommended for RPC nodes (optional for validators and seed nodes)
  • Changelog: filtered Cosmos-level failed transactions from debug trace RPCs
  • Release: v6.0.1
  • Full diff: v6.0.0…v6.0.1

2026-02-09 - mezod v6.0.0

Section titled “2026-02-09 - mezod v6.0.0”
  • New stable mainnet release with changes for complex transactions using Mezo native precompiles
  • Mandatory upgrade on Mezo Mainnet at block 6773500
  • Release: v6.0.0
  • Full diff: v5.0.0…v6.0.0

2025-12-04 - mezod v5.0.0

Section titled “2025-12-04 - mezod v5.0.0”
  • Stable mainnet release preparing chain changes for the Tigris release
  • Mandatory upgrade on Mezo Mainnet at block 5207000
  • Release: v5.0.0
  • Full diff: v4.0.1…v5.0.0

2025-09-16 - mezod v4.0.1

Section titled “2025-09-16 - mezod v4.0.1”
  • Stable patch release
  • Recommended for RPC nodes (optional for validators and seed nodes)
  • Release: v4.0.1
  • Full diff: v4.0.0…v4.0.1

2025-09-11 - mezod v4.0.0

Section titled “2025-09-11 - mezod v4.0.0”
  • Stable mainnet release introducing bridge-out support to Ethereum and Bitcoin chains
  • Mandatory upgrade on Mezo Mainnet at block 3194000
  • Release: v4.0.0
  • Full diff: v3.0.1…v4.0.0

2025-08-19 - mezod v3.0.1

Section titled “2025-08-19 - mezod v3.0.1”
  • Stable patch release
  • Recommended for RPC nodes (optional for validators and seed nodes)
  • Release: v3.0.1
  • Full diff: v3.0.0…v3.0.1

2025-07-10 - mezod v3.0.0

Section titled “2025-07-10 - mezod v3.0.0”

2025-07-02 - mezod v2.0.2

Section titled “2025-07-02 - mezod v2.0.2”
  • Stable mainnet patch release (recommended for RPC nodes; optional for validators and seed nodes)
  • Major required upgrade for testnet from v1.x.x to v2.x.x
  • Release: v2.0.2
  • Full diff: v2.0.1…v2.0.2

2025-06-11 - mezod v2.0.1

Section titled “2025-06-11 - mezod v2.0.1”
  • Stable patch release recommended for RPC nodes and Ethereum sidecars
  • Optional for validators and seed nodes
  • Release: v2.0.1
  • Full diff: v2.0.0…v2.0.1

2025-05-29 - mezod v2.0.0

Section titled “2025-05-29 - mezod v2.0.0”

2025-05-28 - Mezo Mainnet Launch

Section titled “2025-05-28 - Mezo Mainnet Launch”

Mezo Mainnet is now available! See the Getting Started docs to learn how to connect to Mainnet or head to mezo.org/overview to bridge your assets and begin using the platform.

2025-04-12 - Mezo Mainnet Launch Announced

Section titled “2025-04-12 - Mezo Mainnet Launch Announced”

Mezo Mainnet is scheduled for launch in May of 2025. Existing depositors must be aware of automatic bridging behavior. See the Mainnet Documentation and Mezo Mainnet Announcement blog post for more information.

2024-11-19 - Mezo Testnet Alpha

Section titled “2024-11-19 - Mezo Testnet Alpha”

Mezo Testnet is now available.