| ⇢ | A | InitStateMiddleware added | |
| ⇢ | A | SubsiteState added |
| ⇢ | A | InitStateMiddleware::detectSubsiteId() added | |
| ⇢ | A | SubsiteState::setSubsiteId() added | |
| ⇢ | A | SubsiteState::withState() added | |
| ⇢ | A | InitStateMiddleware::process() added | |
| ⇢ | A | SubsiteState::getSubsiteId() added | |
| C | ↘ | D | SiteTreeSubsites::augmentSQL() got worse |
| B | ↘ | C | SiteConfigSubsites::augmentSQL() got worse |
| B | ↘ | C | FileSubsites::augmentSQL() got worse |