In this Survivor, there isn't even a hint of a tribal reshuffling before merge time. Exile Dune seems to be the Tocantins' way of mixing up the tribes. Just like a tribal mix-up, the new intertribal element of Exile Dune has changed the game.

Those sent to Exile have a long time (it looks like close to 2 days) to bond with the enemy, and this could make them very dangerous to keep around into the merger. The best strategy may be to limit those on your tribe who can bond with the enemy tribe on Exile. Jalapao seems to have found that strategy. Only Taj from Jalapao has spent time on Exile, and if she seems untrustworthy, she can be disposed of.

If there is indeed no tribal mix-up before merge time (the best bet is that the merger will occur at 10 left) the tribes now have a choice at the next Tribal Council: either get rid of the weakest (the women) or the most disloyal (like the Exile traitors). We heard Stephen say something similar in a confessional.