CakeAlexS
Let us know the issue number thanka.
The Problem Reporter ticket closed as unreproducible ("Contact Tech Support" to be more precise) is CWBRN-23709.
The case I'm currently dealing with tech support is Case 128412. I received a reply several hours ago saying they can't still reproduce it, so I've replied to them with a video clearly showing the issue attached.
Below are the steps to reproduce the issue (reproducible at least on my end):
1. Create a new project using the Normal project template.
2. Insert a MIDI track and hit Alt+3 to open the Piano Roll view.
3. Using whatever method you like (I used the Smart tool), enter/record note events on C5 and D5, like this:

4. Hit Alt+6 to open the Staff view.
5. Select the Smart tool in the Control Bar and right-click each note to open the Note Properties dialog box.
[Expected Results]
All notes open the Note Properties dialog box when right-clicked.
[Actual Results]
All C5 notes show a right-click menu when right-clicked, like this: