This is one I came across a while ago, but only just got the time to look on the Ideastation for something similar, but couldn't find anything, so creating a new post.
Essentially, in Fusion 360 you have commands for Split Solid, Split Surface and Silhouette Split. However, in Inventor we have a Split command which gives you three options: Split Face, Trim Solid and Split Solid. I use the Trim Solid option a lot, as a robust way of cutting material away with Work Planes, rather than having to create sketches all the time. For example, where you want to have a partial radius:
It would be great to have a matching option in Fusion 360.