# Mainnet Upgrade:

**URL:** <https://forum.availproject.org/t/mainnet-upgrade/1683>\
**Category:** Node Operators\
**Tags:** mainnet\
**Created:** [July 15, 2025, 3:57pm UTC](https://forum.availproject.org/t/mainnet-upgrade/1683 "2025-07-15T15:57:59Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![SocialForging](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.availproject.org/socialforging/32/849_2.png) [@SocialForging](https://forum.availproject.org/u/SocialForging)\
**Post date:** [July 15, 2025, 3:57pm UTC](https://forum.availproject.org/t/mainnet-upgrade/1683/1 "2025-07-15T15:57:59Z")

</div>

Mainnet Upgrade: v2.3.1.0

Gm all,

Please go ahead and upgrade your mainnet service via the below release.

> **[Release v2.3.1.0 · availproject/avail](https://github.com/availproject/avail/releases/tag/v2.3.1.0)**
>
> Changes
> For Node Operators ❗
> Changes have been made to the runtime that require a client update on all validator and RPC nodes. If possible, update your nodes in a timely manner. Once enough nodes ...

Changes have been made to the runtime that require a client update on all validator and RPC nodes. If possible, update your nodes in a timely manner. Once enough nodes have been updated, we will perform a runtime upgrade.

After the runtime upgrade is executed, all nodes running an outdated version of the client will no longer be able to verify or build new blocks.Full change logs available in the above link.

Many thanks,

Validator Engagement Team