(It's also moddable, yes, but the skills aren't suitable to "you can pick any one you want", so a "proper" change to them would also rebalance them entirely, which is of course much more involved.)
I do have to say, there's evident polish in the update however I'm a bit more concern with the narrowing down of the UI flexibility.
I've not read the entire thread, and I fully expect the first question to already be answered so sorry in advance, but I'm going to ask some specifics regarding mod-ability:
1) Can we increase the 15 level cap as to pick more skills?
2) Can we add new skills in addition to the existing ones? The new UI seems to be a little less flexible than the old one.
3) Can/will we need to replace an existing skill from the list?
4) Can the permanent hullmod limit (of 2 right now) be increased using a skill?
5) How does the permanent hullmod play with the dock exclusive hullmod? Will assigning "Expanded Cargo Holds" to a permanent slot remove it from the dock exclusive count (coincidentally dock mods also have a limit of 2)?