rethink choices of 0c7ca0b9ba; minimum selection at least should work, cf. #166

.gitea/ISSUE_TEMPLATE/BUG_TEMPLATE.yml

@@ -11,6 +11,13 @@ body:
       description: A concise description of what you're experiencing.
     validations:
       required: true
+  - type: input
+    attributes:
+      label: Version
+      description: For which version have you observed this behavior?
+      placeholder: You find the program version in "Help/About"
+    validation:
+      required: true
   - type: textarea
     attributes:
       label: Expected behavior

.gitea/ISSUE_TEMPLATE/config.yaml

@@ -2,4 +2,4 @@ blank_issues_enabled: false
 contact_links:
   - name: Mystery
     url: https://c.xkcd.com/random/comic/
-    about: What is behind door number 4?
+    about: What is behind door number 3?

src/gui_qt/graphs/graphwindow.py

@@ -55,11 +55,16 @@ class QGraphWindow(QtWidgets.QGraphicsView, Ui_GraphWindow):
         self._external_items = []
         self.closable = True
 
+        """
+        TODO 
+        this does not work properly and leads to lots of errors
+        because PlotDataItems do not have a viewBox anymore which is called in getData
+        
         # desperate attempts to improve memory usage during paintEvents
         self.graphic.setAntialiasing(False)
         self.plotItem.setDownsampling(auto=True)
         self.plotItem.setClipToView(True)
-
+        """
         self._block = False
 
         self.log = [False, False]