Kerning moves marks unwantingly

Oh, I updated to the cutting edge version and the rules for the anchors are different! I never was able to get the rules for the older version’s anchors. But had most of my anchors working by one by one trial and error. Not anymore, some no longer work with this cutting edge update, and so far no luck in working out their new rules. It would be very very helpful if anyone could explain what rules the anchors function with! I made a thread about it here but no indication of the rules yet: