In a recent Developer Live Chat with the Community Council for Hardcore Classic, Blizzard Developers announced that Random Dungeon Finder and Default Quest Helper is coming to Wrath Classic in the next major update.
Timestamped at 38:52 when it is announced
The Random Dungeon Finder was a major topic of discussion at the launch of Wrath Classic, where Blizzard said the game would not launch with the feature.