Yes, I noticed the requirement restrictions problem, too.
1) It used to be that if a weapon required, say DEX 8, if your character had DEX 7 it showed up in red, but if your character had DEX 9 it showed up grey. Now it always shows up red, regardless of whether the character exceeds the requirement or not. This appears to be a regression, and makes things really confusing, especially combined with point 2 below.
2) It used to be that if you needed, say, water magic 2 to learn a spell, and you didn't have it, the requirement showed up in red. Now, if you are required to be level 2 and you are, the restrictions are grey, even if you don't have any points in the correct magic school. It therefore looks like you can used spells and skill books that your character cannot use at all, because there is no 'must have water magic skill' warning. I personally can't always remember exactly what skills my characters have, especially since it changes frequently. It would be nice to have the warning back.
Between these two problems, it often appears that you can use things that you actually cannot, and appears that you cannot use things you actually can. I hope this can be worked on for the next update.