| A | ↛ | CallbackVisitor removed | |
| A | ↛ | ObserverVisitor removed |
| ⇢ | B | Simple::removePid() added | |
| ⇢ | A | Simple::addPid() added | |
| ⇢ | A | Configuration::setIgnorePid() added | |
| ⇢ | A | Configuration::isIgnorePid() added | |
| ⇢ | A | Simple::getPidFilename() added | |
| A | ↛ | ObserverVisitor::prepareObservers() removed | |
| A | ↛ | CallbackVisitor::prepareCallbacks() removed | |
| A | ↛ | ObserverVisitor::visit() removed | |
| A | ↛ | CallbackVisitor::visit() removed | |
| A | ↛ | ObserverVisitor::observerFactory() removed | |
| A | ↛ | CallbackVisitor::get() removed | |
| A | ↛ | CallbackVisitor::callbackFactory() removed | |
| A | ↛ | ObserverVisitor::get() removed |