
Graph and History give a very interesting visual information about source changes.
Customisation via scripts at submit or via P4Broker make the tool very flexible.
Merge tool is good visually and it works well to integrate changes from multiple branches, it is very functional.
Integration with Visual Studio IDE, SlickEdit, and other programming IDE is good. Review collected by and hosted on G2.com.
Labels are too easy to change, it cannot be used to identify official release for us.
The fact that directory are not a controlled object in Helix (at least when not using Streams) force us to create dummy files to introduce file architecture for a project.
It would also be good support directory link, like Linux system (this is maybe possible with Workspace views but it was not that easy or even not functionning for our projects. Review collected by and hosted on G2.com.