Upgrading Discourse to Ember 4

[david (David Taylor)]

Here we go @merefield

Upcoming topic-list changes - how to prepare themes and plugins

As part of our ongoing quest to standardise the rendering systems across Discourse’s codebase, we’re replacing the implementation of the topic-list. Previously, this used a ‘raw handlebars’ (.hbr) approach, and could be customized via template overrides and raw-plugin-outlets. The new implementation of the topic-list uses modern Glimmer components, and has been built from the ground-up to to be customizable in sustainable ways. The new implementation is now available behind the glimmer_topic_l…