This is true. Evidently, all the processes that give function to the Touch controllers and Rift have been migrated to Dash now. So, true Home2 closes, but now you have to have Dash running or the Rift will black screen, which is 500+/- Mb of ram space you have to make room for, even if you already have another platform launching the game (ie Steam). Unfortunately due to this change, there is no real reason to even try running without Home open, there is nothing gained. The old version, the Rift and Touch controllers functioned outside of Dash, so the admin trick could bypass running the majority of the software if you were using Rift outside of Oculus client.
Oculus Home (Home2) does not run while you are running other VR applications. However it may stay running (paused) if you start the OculusClient, put on your headset, take it off and then run other non-VR applications while Oculus Client is still open.
Even if Home2 does not run, the Oculus Server, Launcher, Oculus Client, Dash and Oculus-platform-runtime are all executing while you run other VR applications.
If you close the Oculus Client, everything else expect the Oculus Server (and the Launcher) closes, but at that point you cannot run anymore other external VR applications.