Vue 3 naming convention for single-instance compoents

[Paalon]

In Vue 2 style guide, there is the priority B rule: https://v2.vuejs.org/v2/style-guide/?redirect=true#Single-instance-component-names-strongly-recommended that you should use The prefix but in Vue 3 style guide, I can't find the rule anymore. Why the rule was removed and what is the recommended style?