Characters:

Spoiler: Spoiler

Sam's knowledge base has been clarified and made consistent.

Most characters have temporarily been removed to evaluate their contribution to the story.

Magic:

Spoiler: Spoiler

White magic has been renamed "Command Magic" to better reflect its actual meaning.

Meta Magic has been clarified and is no longer a "grab bag." It has also been renamed "Non-attributed Magic."

The Law Magic subschool of Command Magic has been renamed "Barrier Magic."

The Buffing Magic subschool of former White Magic has been renamed, reworked, and moved. It is now Body Reinforcement Magic in the Non-attributed Magic school.

Item Creation has been moved to the Command Magic school, due to its overwhelming similarity to computer programming.

System-assisted casting has been removed.

The Conjuration subschool of the former Meta Magic has been removed.

The Divination subschool has been added to the Non-attributed Magic School.

Mind Mana no longer exists, but it's functions have been rolled into Non-attributed Mana.

Magic can now be loosely and informally divided into two groups. Elemental and Highter Elemental schools require relatively high INT and relatively low WIL, due to their high mana costs, and can be considered INT-based spells. Non-attributed and Command spells require much less mana, comparatively, but involve a great deal of WIL, allowing them to be broadly categorized as WIL-based spells.

Skills:

Spoiler: Spoiler

Dynamic Skills have been de-standardized and reshaped to fit the individual profiles. Static Skills remain unchanged.

World:

Spoiler: Spoiler

Dungeons have been added to the world!

Slight tweaks have been made so the world is less of a libretarian wet dream.

Unfortunately, in what continues to be an affront to everyone with taste, morals, or economic savvy, slavery remains extant.

The word "fuck" has been removed. It will be replaced by another expletive with a similar meaning shortly.

Hereditary nobility has been removed; that shit don't make no sense. In a more real-to-life move, "nobility" will now be those with sufficient strength and wealth to declare themselves so, until their descendents squander said wealth and get overthrown by someone else with sufficient... etc.

Multiple hidden functions have been added to the menu.

Monsters:

Spoiler: Spoiler

All monster spawn points have been moved to dungeons.

Swarms have been removed.

Monsters have been painstakingly categorized and reworked.

Items:

Spoiler: Spoiler

All stat boosting items have been removed. Character builds have been re-aligned to reflect the changes in balance this creates.

Meta:

Spoiler: Spoiler

Chapter titles have been removed. We as a society have progressed past the need for chapter titles.