diff --git a/pyqtgraph/Qt.py b/pyqtgraph/Qt.py
index 22971dba..142b3f30 100644
--- a/pyqtgraph/Qt.py
+++ b/pyqtgraph/Qt.py
@@ -425,18 +425,18 @@ if QT_LIB == PYQT6:
     # QKeyEvent::key() returns an int
     # so comparison with a Key_* enum will always be False
     # here we convert the enum to its int value
-    for e in QtCore.Qt.Key:
+    keys = ['Up', 'Down', 'Right', 'Left', 'Return', 'Enter', 'Delete', 'Backspace',
+            'PageUp', 'PageDown', 'Home', 'End', 'Tab', 'Backtab', 'Escape', 'Space']
+    for name in keys:
+        e = getattr(QtCore.Qt.Key, 'Key_' + name)
         setattr(QtCore.Qt, e.name, e.value)
 
     # shim the old names for QPointF mouse coords
     QtGui.QSinglePointEvent.localPos = lambda o : o.position()
     QtGui.QSinglePointEvent.windowPos = lambda o : o.scenePosition()
     QtGui.QSinglePointEvent.screenPos = lambda o : o.globalPosition()
-    QtGui.QDropEvent.posF = lambda o : o.position()
 
     QtWidgets.QApplication.exec_ = QtWidgets.QApplication.exec
-    QtWidgets.QDialog.exec_ = lambda o : o.exec()
-    QtGui.QDrag.exec_ = lambda o : o.exec()
 
     # PyQt6 6.0.0 has a bug where it can't handle certain Type values returned
     # by the Qt library.
diff --git a/pyqtgraph/dockarea/Dock.py b/pyqtgraph/dockarea/Dock.py
index a4997b8c..7a5e09d4 100644
--- a/pyqtgraph/dockarea/Dock.py
+++ b/pyqtgraph/dockarea/Dock.py
@@ -198,7 +198,7 @@ class Dock(QtGui.QWidget, DockDrop):
         self.drag.setMimeData(mime)
         self.widgetArea.setStyleSheet(self.dragStyle)
         self.update()
-        action = self.drag.exec_()
+        action = self.drag.exec_() if hasattr(self.drag, 'exec_') else self.drag.exec()
         self.updateStyle()
 
     def float(self):
diff --git a/pyqtgraph/dockarea/DockDrop.py b/pyqtgraph/dockarea/DockDrop.py
index e16f3e7a..b7f0c2dc 100644
--- a/pyqtgraph/dockarea/DockDrop.py
+++ b/pyqtgraph/dockarea/DockDrop.py
@@ -30,9 +30,12 @@ class DockDrop(object):
         
     def dragMoveEvent(self, ev):
         #print "drag move"
-        ld = ev.posF().x()
+        # QDragMoveEvent inherits QDropEvent which provides posF()
+        # PyQt6 provides only position()
+        posF = ev.posF() if hasattr(ev, 'posF') else ev.position()
+        ld = posF.x()
         rd = self.width() - ld
-        td = ev.posF().y()
+        td = posF.y()
         bd = self.height() - td
         
         mn = min(ld, rd, td, bd)
diff --git a/pyqtgraph/widgets/TableWidget.py b/pyqtgraph/widgets/TableWidget.py
index 194b23f9..2e91ec7e 100644
--- a/pyqtgraph/widgets/TableWidget.py
+++ b/pyqtgraph/widgets/TableWidget.py
@@ -368,7 +368,7 @@ class TableWidget(QtGui.QTableWidget):
         self.contextMenu.popup(ev.globalPos())
         
     def keyPressEvent(self, ev):
-        if ev.key() == QtCore.Qt.Key_C and ev.modifiers() == QtCore.Qt.ControlModifier:
+        if ev.matches(QtGui.QKeySequence.Copy):
             ev.accept()
             self.copySel()
         else: