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Node wrangler viewing feature doesn't work if output is already connected.
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Description

System Information
Windows 10,AMD 5450

Blender Version
Blender 2.77,Hash: 22a2853

Short description of error

When I try to view an output using the node wrangler addon when it is already connected to something it doesn't work. (ctrl+shift+LMB)

Exact steps for others to reproduce the error
For instance:Add a noise texture and connect the factor to the displacement output,now click ( ctrl + shift + LMB) the color output view correctly but if you try to view the factor it wont work.

Event Timeline

test (omar) raised the priority of this task from to Needs Triage by Developer.
test (omar) updated the task description. (Show Details)
test (omar) set Type to Bug.
test (omar) added a subscriber: test (omar).

I'm also experiencing a problem here, node wrangler seems to be skipping sockets at random if one is connected to the displacement output.

Brendon Murphy (meta-androcto) lowered the priority of this task from Needs Triage by Developer to Confirmed, Medium.

I see now the issue too, it's skipping the socket that's connected to the Displacement for whatever reason.

It's easier to see if using Separate RGB for example and plugging G to displacement of material output.. ctrl + shift + clicking selects R and B in turn but G is never connected to the viewer

hi please check that the recently updated file has same issue: https://developer.blender.org/diffusion/BA/browse/master/node_wrangler.py
Looking at https://developer.blender.org/T47832 it seems this did not make it into release & may need to be forwarded to any 2.77 'a' release.

The updated file still has this issue