| ⇢ | A | LimitSessionTrait added |
| ⇢ | B | LimitSessionTrait::sessionHandler() added | |
| ⇢ | A | LimitSessionTrait::getSessionCount() added | |
| ⇢ | A | LimitSessionTrait::setSessionId() added | |
| B | ↛ | Kernel::sessionHandler() removed | |
| A | ↛ | Kernel::getSessionCount() removed | |
| A | ↛ | Kernel::setSessionId() removed |