## Issue Addressed NA ## Proposed Changes When we released [`v1.4.0-rc.0`](https://github.com/sigp/lighthouse/releases/tag/v1.4.0-rc.0), we added a bunch of text about pre-releases. That information was useful, but somewhat hard to reference in future pre-releases. This PR adds some docs to the book so whenever we do a pre-release we can point users to these docs for more info. ## Additional Info NA
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Pre-Releases
From time-to-time, Lighthouse pre-releases will be published on the sigp/lighthouse repository. These releases have passed the usual automated testing, however the developers would like to see it running "in the wild" in a variety of configurations before declaring it an official, stable release. Pre-releases are also used by developers to get feedback from users regarding the ergonomics of new features or changes.
Github will clearly show such releases as a "Pre-release" and they will not show up on sigp/lighthouse/releases/latest. However, pre-releases will show up on the sigp/lighthouse/releases page, so please pay attention to avoid the pre-releases when you're looking for stable Lighthouse.
Examples
v1.4.0-rc.0 has rc (release candidate) in the version string and is therefore a pre-release. This
release is not stable and is not intended for critical tasks on mainnet (e.g., staking).
However, v1.4.0 is considered stable since it is not marked as a pre-release and does not
contain rc in the version string. This release is intended for use on mainnet.
When to use a pre-release
Users may wish to try a pre-release for the following reasons:
- To preview new features before they are officially released.
- To help detect bugs and regressions before they reach production.
- To provide feedback on annoyances before they make it into a release and become harder to change or revert.
When not to use a pre-release
It is not recommended to use pre-releases for any critical tasks on mainnet (e.g., staking). To test critical features, try one of the testnets (e.g., Prater).