Why is the preview in the Style builder not updating?
The style preview may not be updated because the refresh icon hasn't been toggled to the active state.
Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
Running the composer update command will update any composer packages that have newer versions available.
Yes, this is possible by creating a custom element.
Modifiers allow you to apply styles to an element when a specific class, id or attribute is present.