---
title: Stacks Releases
description: Stacks Blockchain Releases
sidebar_position: 2
---

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### Stacks Blockchain Releases

All releases are published [here](https://github.com/stacks-network/stacks-blockchain/releases). Most important ones are described below.

### Stacks 2.1

Scheduled for release at the end of 2022.

More information on [what to expect with Stacks 2.1](https://stacks.org/stacks-21-what-to-expect).

#### Stacks 2.05
Activated on [Bitcoin block 713000](https://explorer.stacks.co/txid/0xece8e369310b5ff9b92ef11181ae0d2457ac0c821376d4a96c4998763e22ad04?chain=mainnet).

This breaking change enables storage cost for list to be based on actual length and change in number of indexed I/O operations. More info on this [blog post](https://www.stacks.org/stacks-2-05?ref=docs-website).

#### Stacks 2.0
Activated on January 14th 2021

This hard fork enables Stacking, Clarity smart contracts, scalable transactions, and also building directly on Bitcoin. More info [here](https://forum.stacks.org/t/path-to-mainnet-for-stx-holders-things-to-know-ahead-of-stacks-2-0/11529).

#### Stacks Genesis
Released on 2018, October 30th UTC+6 at Bitcoin block height 547921

This hard fork addresses registration of digital assets with Stacks token and also distribution of Stacks token to the existing purchasers. More info [here](https://blog.blockstack.org/the-launch-of-the-stacks-genesis-block/?ref=docs-website).

