Okay, I think this should be it’s own topic entirely. There’s an internal report that is filed that you can use as reference when asking about these developments again…
https://mcneel.myjetbrains.com/youtrack/issue/RH-42371
The plan is to get them working on meshes first as I understand it. FYI @Jussi_Aaltonen
You can now use SelEdgeLoop, SelEdgeRing and also sub-object select with Ctrl+Shift and double click to select an edge loop. This also works on face loops if a face is already sub selected and you double click a connected one.