> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/mezo-org/documentation/llms.txt
> Use this file to discover all available pages before exploring further.

# Release Notes & Updates

> Stay up to date on the latest Mezo releases, features, and improvements.

Track the latest releases, upgrades, and improvements across the Mezo ecosystem.

## mezod Chain Client Releases

### 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](https://github.com/mezo-org/mezod/releases/tag/v6.0.1)
* [Full diff: v6.0.0...v6.0.1](https://github.com/mezo-org/mezod/compare/v6.0.0...v6.0.1)

### 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](https://github.com/mezo-org/mezod/releases/tag/v6.0.0)
* [Full diff: v5.0.0...v6.0.0](https://github.com/mezo-org/mezod/compare/v5.0.0...v6.0.0)

### 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](https://github.com/mezo-org/mezod/releases/tag/v5.0.0)
* [Full diff: v4.0.1...v5.0.0](https://github.com/mezo-org/mezod/compare/v4.0.1...v5.0.0)

### 2025-09-16 - mezod v4.0.1

* Stable patch release
* Recommended for RPC nodes (optional for validators and seed nodes)
* [Release v4.0.1](https://github.com/mezo-org/mezod/releases/tag/v4.0.1)
* [Full diff: v4.0.0...v4.0.1](https://github.com/mezo-org/mezod/compare/v4.0.0...v4.0.1)

### 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](https://github.com/mezo-org/mezod/releases/tag/v4.0.0)
* [Full diff: v3.0.1...v4.0.0](https://github.com/mezo-org/mezod/compare/v3.0.1...v4.0.0)

### 2025-08-19 - mezod v3.0.1

* Stable patch release
* Recommended for RPC nodes (optional for validators and seed nodes)
* [Release v3.0.1](https://github.com/mezo-org/mezod/releases/tag/v3.0.1)
* [Full diff: v3.0.0...v3.0.1](https://github.com/mezo-org/mezod/compare/v3.0.0...v3.0.1)

### 2025-07-10 - mezod v3.0.0

* Stable mainnet release of `mezod`
* [Release v3.0.0](https://github.com/mezo-org/mezod/releases/tag/v3.0.0)
* [Full diff: v2.0.2...v3.0.0](https://github.com/mezo-org/mezod/compare/v2.0.2...v3.0.0)

### 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](https://github.com/mezo-org/mezod/releases/tag/v2.0.2)
* [Full diff: v2.0.1...v2.0.2](https://github.com/mezo-org/mezod/compare/v2.0.1...v2.0.2)

### 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](https://github.com/mezo-org/mezod/releases/tag/v2.0.1)
* [Full diff: v2.0.0...v2.0.1](https://github.com/mezo-org/mezod/compare/v2.0.0...v2.0.1)

### 2025-05-29 - mezod v2.0.0

* Stable mainnet release of `mezod`
* [Release v2.0.0](https://github.com/mezo-org/mezod/releases/tag/v2.0.0)
* [Full diff: v1.0.0...v2.0.0](https://github.com/mezo-org/mezod/compare/v1.0.0...v2.0.0)

## Platform Milestones

### 2025-05-28 - Mezo Mainnet Launch

Mezo Mainnet is now available! See the [Getting Started](/getting-started/connect-wallet) docs to learn how to connect to Mainnet or head to [mezo.org](https://mezo.org) to bridge your assets and begin using the platform.

### 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](/mainnet/bridges) for more information.

### 2024-11-19 - Mezo Testnet Alpha

Mezo Testnet is now available for developers and early users.

## Stay Updated

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