Here’s Update Video #8, which introduces each of those new features and more.
The same tool can also be used to apply future updates.
One of the things the launcher lets you tweak are the Enhanced Edition’s FMVs.

The Enhanced Edition can also cut those FMVs to whatever aspect ratio you’re running the game at.
That issue turns out to be the result of the default audio engine working incorrectly with multi-core processors.
Now, there are no more crashes, and far fewer stutters.
