I progressed through the main story, and came to a quest: Trial of waters. I cannot progress for some reason. I looked online and apparently the quest "the prince's secret" was never added to my list therefore I have a few quests that have not occurred, I cannot progress any further and I have no saves before finishing the quest immediately before it, so unless this bug is fixed I will lose all of my progress. I WAS having a fantastic time with the game but to retrace my steps at this point would be AGONIZING and I would hope this gets fixed soon. Like super soon. I was prepared to love this game and thus anyone with an idea of how to fix it on my end is encouraged to let me and everyone else know. Otherwise I hope the mods make the dev team aware of this asap.
@aceof1986 I was waiting for a patch but I ending up playing again from a save file before Old countries and Mystery of the Ruin quest, then I got the Prince quest and a bunch of great quest after this. I finished the game today, and they still haven't fixed this bug.