40(-ish): Notation jumps all over the place when editing

Sometimes, when editing a note, and selecting Cancel, the song cursor position jumps to a different bar, not within the current 'view'.

It happens when the scroll bar at bottom has been used to navigate to the bar to be edited. After editing, sometimes the song jumps to the end, sometime to the start, sometimes to the adjacent bars.

Steps to reproduce:
1: Place a MST in the bass part
2: In Notation Window, select Bass
3: Use the cursor slider arrow (A) to locate a bar in the middle of the song (this is the key point)
4: Edit a note, and select OK or Cancel (B)
5: Song jumps to a completely different bar
(Now, what was the other note in the bar that I needed to change???) Dang! What was the bar?

To make this more infuriating, I identified and reported this to PGM Support in December 2013, who confirmed and acknowledged the problem existed and said they would report it.

A year later, I've purchased the full set of upgrades, and these bugs haven't even been looked at. Why go to all the trouble to identify and report problems, prepare screen captures and identify steps to reproduce? They don't seem to even get attended to. Getting annoyed...

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