Migrated from XenForo to Discourse: Overview of the Migration

For these users, you might want to consider explicitly calling out the categories overview. Or even consider switching that overview to something that they like better. It’s an opportunity to get them involved too.
Share some screenshots of what the different settings of Desktop category page style would look like and ask their favorite?

This feels like feedback we’d like to get explicitly. Could you ask them to report this here on Meta?

This is fixable with user themes :slight_smile: Consider adding this theme component to a user selectable theme GitHub - discourse/discourse-full-width-component: Make Discourse occupy the full browser width · GitHub

I don’t understand “clear separation of posts”?

Change is always hard, people will always complain. If the “negative” group is small enough, I think you could safely ignore them for now and focus on the adapters. Make their experience great and the negative people will fall in line (or leave).