there is no content in EA that warrants a lvl increase.
Quite the contrary, at the current exp balance there's enough content already to border level 6.
I killed hag and now all party members have "Maximum Level Reached"
I have not even touched the Underdark, the spider, or the gith battle - and whatever else I'm still exploring up above in my second playthrough. I am familiar with the underdark almost in its entirety because
that's how I beat EA the first time around; skipping a bunch of stuff up above which is what I'm exploring now. I didn't even know about the spider or the hag until I stumbled across youtube spoilers. Once I entered the underdark I basically staid there and that is where EA technically ends.
So yeah what Tuco is saying is correct. Come on now I am actually thinking I'll pause until they remove the cap in a future patch because I'm not gaining any XP which is a huge part of the entire game and character progression. I honestly don't want to kill a single thing at this point because it's a complete waste of XP/progression.
Edit: here you go - proof

[video:youtube]
https://youtu.be/b2-3AchmlPE[/video]