Thanks for the aid revamp on the Coven hex. It is a bit more straight forward than what I suggested, but, I think it is great!
I like that there are more defined rules for replacing familiars and what spells they come with. I think that it still is a little harsh though. If a familiar dies in combat, sure, you can say that the Witch should have protected their familiar better.
But what if you take advanced familiar and have spent 1000 gold on scrolls and what have you and you just take an advanced familiar? You’re out all that money? You can back up wizard books, stick them in extra-dimensional spaces, buy better spell books etc. All to make sure you protect your spell accompaniment, but one botched save vrs fireball and you lose everything? There is no way to "back-up" your familiar or even “upgrade” it without going to a base-line witch of your level?
I also like the idea of having the "bonus" be "bonus" spells, in that, they are treated like domain spells for clerics. This was brought up a couple times I was a little disappointed it didn't make it.
Overall I like what I saw and am happy that the AoO hexes went to a case by case basis as opposed to everyone provoking.