Though split tunnel has been there since the beginning, prior to 8.0 you couldn't exclude a network. You had to do it all with inclusion, which was tedious if you wanted to allow a /8 but only exclude a few subnets within it.
With 8.1 and GP 4.1 out now as well, that can go even further by specifying apps that you want to split:
The "New Features" guides show only changes from the previous major release, but I can see the confusion because it doesn't make it obvious which part of the screenshot is the new feature and which is the existing. Once you get familiar with all the features, the incremental changes are easier to handle :)
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