Select -> more... selects wrong voice dots
Create a new score with any instruments
add dotted notes in several measures in both voices 1 and 2
right click any dot
move mouse to "select" and click "more..."
check same voice
all dots are selected
This also happens if you select a range. In any case, the same voice option is ignored.
If you use the selection filter and uncheck voice 2, right click a dot, select all similar once again all dots are selected.
If you select several measure, look in the inspector, click notes then click dots, you only get a single dot selected. I suspect these are all related though I don't know anything about the code.
If you select 2 staves and select same staff and same voice, all dots on the clicked staff are selected only. In other words checking the same staff works, but not the same voice.