How can I set up a reminder banner in the editor?

[Moin]

It was a topic template configured for the support category.

Using topic templates for categories

This guide explains how to use topic templates in categories and explores alternative methods for structuring content in Discourse. Required user level: Administrator Topic templates are powerful tools for maintaining forum consistency and guiding new users. This guide will walk you through setting up category topic templates and explore alternative methods for structuring content in Discourse. Summary Learn how to set up category topic templates Discover …

You can still see one in the Marketplace category