Still the ownership problem. 5, why 5? It should be 3...

src/connectable.h

@@ -6,7 +6,7 @@
 #include <vector>
 
 namespace VISEQ::BASE {
-	class Connectable : public Draggable {
+	class Connectable : public Draggable, public std::enable_shared_from_this<Connectable> {
 		public:
 			Connectable() {}
 			Connectable(Vec2Df position) : Draggable(position) {}
@@ -19,6 +19,10 @@ namespace VISEQ::BASE {
 			bool connecting = false;
 			Vec2Df connecting_position;
 
+			std::shared_ptr<Connectable> getPtr(){
+				return shared_from_this();
+			}
+
 			virtual void init() {
 				connectables.emplace_back(this);
 			}
@@ -36,11 +40,12 @@ namespace VISEQ::BASE {
 			virtual void connect() {
 				if(picked_up){
 					for(auto c : connectables){
-						if(c.get() != this && c->hovering()) {
+						if(c != getPtr() && c->hovering()) {
 							partner = c;
-							c->partner.reset(this);
+							c->partner = getPtr();
 							new_partner = true;
 							partner->new_partner = true;
+							std::cout << "connect use count: " << getPtr().use_count() << std::endl;
 							break;
 						}
 					}

src/connector.h

@@ -31,7 +31,7 @@ namespace VISEQ::GRAPH {
 			}
 			
 			std::shared_ptr<Connectable> getPtr(){
-				return std::static_pointer_cast<Connector>(shared_from_this());
+				return std::static_pointer_cast<Connector>(BASE::Connectable::shared_from_this());
 			}
 
 			virtual bool hovering() override {

src/graph-manager.h

@@ -15,6 +15,7 @@
 #include "node.h"
 
 #include <algorithm>
+#include <cstddef>
 #include <cstdio>
 #include <iostream>
 #include <iterator>
@@ -224,6 +225,11 @@ namespace VISEQ::GRAPH {
 			void removeEdges(){
 
 				for(auto edge : remove_edges){
+					edge->start_conn->partner.reset();
+					std::cout << "connectors size: " << edge->start->connectors.size() << std::endl;
+					std::cout << "use count: " << edge->start_conn.use_count() << std::endl;
+					edge->start_conn.reset();
+					edge->end_conn.reset();
 					std::cout << "connectors size: " << edge->start->connectors.size() << std::endl;
 					std::cout << "use count: " << edge->start_conn.use_count() << std::endl;
 					std::erase(edge->start->connectors, edge->start_conn);