Trace sets/ exclude lights

[M.Max]

Hello
I'm trying to exclude a Vray light from being reflected on a floor and keep its reflection on the other objects using trace sets but it doesn't seems to work anymore .
I'm using a script to do this as Max doesn't show lights in trace set list and when I open the list I can see my light in there but in render it doesn't work .
I'm pretty sure I did this years back but I can't recall on which version
I'm using Max 2016 and Vray next 1.2
Here is a screenshot for the problem .

[M.Max]

update : I sent the file to a friend who still have Vray 3.4 installed and this is the results:
first one is the render directly after opening the file and the second one is after disabling "affect specular" in the lights
the second one is close to what I want but still there is a reflection near the mirror.

[M.Max]

Any thought on this?

[M.Max]

Hello
I've tested this with VRay 5.0 and it is still not working .
is there any plan to support this again , please?

[hermit.crab]

Not promising anything, but I'll bump the issue (internal bug-tracker id: VMAX-8978 ) on your behalf.

[M.Max]

Not promising anything, but I'll bump the issue (internal bug-tracker id: VMAX-8978 ) on your behalf.

Thank you !
I'm sure many will appreciate a fix for this too .