Now since you added summoning stones,extra xp, dungeon finder which are not Classic ways.
I know you made better quality to prevent boosting from high levels in Dungeons.
But you cause problem here for those who want to farm dungeons for Items while leveling, these who want to build up Twinks and those who want to complete Dungeon quests.
Now, when you hit high level,even that you can’t solo the current Dungeon, nobody want to group up with you, so they don’t lost benefits from xp gain.
This is an issue for those who want to enjoy playing World of Warcraft different than min/max style.
Why don’t you add Lock XP Feature from NPC in Stormwind Keep like on Lich King, to solve this issue?
It will not affect Classic/Vanilla and will solve the current issue from overleveling Dungeons.