| ⇢ | A | NormalizePathObserver added | 
| ⇢ | A | NormalizePathObserver::__construct() added | |
| ⇢ | A | CategoryObserver::createObserver() added | |
| ⇢ | A | NormalizePathObserver::createObserver() added | |
| ⇢ | A | NormalizePathObserver::process() added | |
| A | ↛ | CategoryUrlRewriteObserver::__construct() removed |