(Некоторые) пользователи не видят чат в боковой панели

[Moin]

@ludwikc

will it work backward for everyone

I don’t think so. Some settings ask you whether you want to also change it for existing users but this one does not.
But you can

Edit a user preference for everyone or a subset of users

This guide explains how to edit a user preference for everyone or a subset of users in Discourse. Required user level: System Administrator Console access is required. If you need to update the user preference for all of your users or a large subset of users, you can do so via the rails console. Summary In this guide, you’ll learn: How to access the Rails console for making bulk changes Examples of modifying user preferences How to identify se…