There’s an update coming at the end of the month. I believe the cap will be raised to 11. Maximum level in the full game will be 50, but I expect a lower level than that to be sufficient to beat the game assuming you don’t go out of your way to fight.
I am capping the level on a per-update basis just because it makes it easier to balance. That said, I don’t want to artificially limit players forever, and stat upgrades per level are subject to significant diminishing returns past level 20 or so, so once we get to around level 20 as the cap, I’ll probably just set the cap to 50.
After the cap of 50, XP is converted to SP. Like in SS, there’ll be a shop you eventually unlock where you can trade SP, so that’ll be valuable even after you get all the skills you want.