diff --git a/ryven-editor/ryven/example_nodes/std/gui.py b/ryven-editor/ryven/example_nodes/std/gui.py
index 8d332bd3..7adae1e7 100644
--- a/ryven-editor/ryven/example_nodes/std/gui.py
+++ b/ryven-editor/ryven/example_nodes/std/gui.py
@@ -197,7 +197,7 @@ def rebuild_remove_actions(self):
                 {'method': self.remove_output, 'data': i}
 
 
-class ButtonNode_MainWidget(QPushButton, NodeMainWidget):
+class ButtonNode_MainWidget(NodeMainWidget, QPushButton):
 
     def __init__(self, params):
         NodeMainWidget.__init__(self, params)
diff --git a/ryven-editor/ryven/gui/startup_dialog/StartupDialog.py b/ryven-editor/ryven/gui/startup_dialog/StartupDialog.py
index bed2b94d..16e04877 100644
--- a/ryven-editor/ryven/gui/startup_dialog/StartupDialog.py
+++ b/ryven-editor/ryven/gui/startup_dialog/StartupDialog.py
@@ -71,7 +71,8 @@ def minimumSizeHint(self):
 
     def sizeHint(self):
         hint = self.fontMetrics().boundingRect(self.text()).size()
-        l, t, r, b = self.getContentsMargins()
+        c_margins = self.contentsMargins()
+        l, t, r, b = c_margins.left(), c_margins.top(), c_margins.right(), c_margins.bottom()
         margin = self.margin() * 2
         return QSize(
             min(100, hint.width()) + l + r + margin,
@@ -83,7 +84,8 @@ def paintEvent(self, event):
         opt = QStyleOptionFrame()
         self.initStyleOption(opt)
         self.style().drawControl(QStyle.CE_ShapedFrame, opt, qp, self)
-        l, t, r, b = self.getContentsMargins()
+        c_margins = self.contentsMargins()
+        l, t, r, b = c_margins.left(), c_margins.top(), c_margins.right(), c_margins.bottom()
         margin = self.margin()
         try:
             # since Qt >= 5.11
diff --git a/ryvencore-qt/ryvencore_qt/src/flows/FlowView.py b/ryvencore-qt/ryvencore_qt/src/flows/FlowView.py
index 317f72cb..42f06bd2 100644
--- a/ryvencore-qt/ryvencore_qt/src/flows/FlowView.py
+++ b/ryvencore-qt/ryvencore_qt/src/flows/FlowView.py
@@ -31,12 +31,17 @@
     QShortcut,
     QMenu,
     QGraphicsItem,
-    QUndoStack,
     QPushButton,
     QHBoxLayout,
     QWidget,
 )
 
+# for compatibility between qt5 and qt6
+try:
+    from qtpy.QtGui import QUndoStack
+except ImportError:
+    from qtpy.QtWidgets import QUndoStack
+
 from ryvencore.Flow import Flow
 from ryvencore.Node import Node
 from ryvencore.NodePort import NodePort, NodeInput, NodeOutput
@@ -254,13 +259,11 @@ def init_proxy_widget(widget: QWidget, proxy: FlowViewProxyWidget):
         menu_layout_widget.layout().addWidget(menu_button)
 
         def menu_button_clicked():
-            point = self._menu_layout_proxy.scenePos()
-            view_pos = self.mapFromScene(point.toPoint())
-            # apply offset after
-            global_pos = self.viewport().mapToGlobal(
-                view_pos) + QPoint(8, self._menu_layout_proxy.widget().height()
-            ) 
-            self._menu.exec_(global_pos)
+            # prob not entirely correct, since menu is part of a layout
+            # but since it's the first item, it's the same
+            menu_pos = self._menu_button.pos()
+            menu_pos = self.mapToGlobal(menu_pos) + QPoint(8, self._menu_button.height() + 10)
+            self._menu.exec_(menu_pos)
 
         menu_button.clicked.connect(menu_button_clicked)
 
@@ -506,13 +509,15 @@ def wheelEvent(self, event):
         if event.modifiers() & Qt.ControlModifier:
             event.accept()
 
-            self._zoom_data['viewport pos'] = event.posF()
-            self._zoom_data['scene pos'] = pointF_mapped(self.mapToScene(event.pos()), event.posF())
+            view_pos = event.position()
+            self._zoom_data['viewport pos'] = view_pos
+            self._zoom_data['scene pos'] = self.mapToScene(view_pos.toPoint())
 
-            self._zoom_data['delta'] += event.delta()
+            y_delta = event.angleDelta().y()
+            self._zoom_data['delta'] += y_delta
 
-            if self._zoom_data['delta'] * event.delta() < 0:
-                self._zoom_data['delta'] = event.delta()
+            if self._zoom_data['delta'] * y_delta < 0:
+                self._zoom_data['delta'] = y_delta()
 
             anim = QTimeLine(100, self)
             anim.setUpdateInterval(10)
diff --git a/ryvencore-qt/ryvencore_qt/src/flows/node_list_widget/NodeListWidget.py b/ryvencore-qt/ryvencore_qt/src/flows/node_list_widget/NodeListWidget.py
index 0d573fb1..d892164f 100644
--- a/ryvencore-qt/ryvencore_qt/src/flows/node_list_widget/NodeListWidget.py
+++ b/ryvencore-qt/ryvencore_qt/src/flows/node_list_widget/NodeListWidget.py
@@ -151,10 +151,10 @@ def search_pkg_tree(self, search: str):
             # removes whitespace and escapes all special regex chars
             new_search = escape(search.strip())
             # regex that enforces the text starts with <new_search>
-            self.pack_proxy_model.setFilterRegExp(f'^{new_search}')
+            self.pack_proxy_model.setFilterRegularExpression(f'^{new_search}')
             self.pack_tree.expandAll()
         else:
-            self.pack_proxy_model.setFilterRegExp('')
+            self.pack_proxy_model.setFilterRegularExpression('')
             self.pack_tree.collapseAll()
 
     def make_nodes_current(self, pack_nodes, pkg_name: str):