| ⇢ | A | m13_content_only added |
| ⇢ | A | m13_content_only::depends_on() added | |
| ⇢ | A | m13_content_only::update_schema() added | |
| ⇢ | A | m13_content_only::revert_schema() added | |
| ⇢ | A | m13_content_only::effectively_installed() added | |
| A | ↘ | B | main_listener::setup_ads() got worse |