間違ったバージョンをインストールしましたか？ - 3.5.0.beta2-dev

[NateDhaliwal]

For reference, here is the full guide:

Understanding Discourse release channels

This guide explains the different types of Discourse releases and how different channels are used for updates. Required user level: All users Release channels Discourse has four primary release channels, each serving a different purpose: main, tests-passed, beta, and stable. The default channel used when installing a production version of Discourse is tests-passed. The naming conventions used by Discourse differ a bit from other software companies: main O…

And:

Configure a supported tracking branch to get Discourse software updates

This guide explains how to configure a supported tracking branch for your Discourse instance to manage software updates. Required user level: Systen Administrator Console access is required. Managing your Discourse instance’s tracking branch determines the frequency and type of updates you receive. This guide explains the different tracking branches available and provides a step-by-step approach to changing the branch on your setup. Summary Disco…