| ⇢ | A | Environment added |
| ⇢ | C | Environment::loadAverage() added | |
| ⇢ | A | Directory::getSize() added | |
| ⇢ | A | Environment::osName() added | |
| ⇢ | A | Environment::phpSAPI() added | |
| ⇢ | A | Environment::phpVersion() added | |
| D | ↘ | F | App::run() got worse |
| A | ↛ | Security::getPurifier() removed |