4.2.150548
Emulator is not rendering trace activities correctly, instead it reports "No renderer for this activity" as shown below. Also clicking trace entries on the right hand side log panel renders a LUIS inspector strangely.

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[bug]
This looks like a webchat issue since it should be ignoring activities of type trace. Also, are you able to paste the activity json here and provide a screen capture of the strange behavior with the Luis inspector?
Crosslinking to issue #1328 and PR #1334
Closing this as fixed via #1349
When should this fix go public? Is it available in a preview version now?
@KatieProchilo this fix will be available in v4.3.2 which is building right now. I'll update this thread when it finishes.
@KatieProchilo version 4.3.2 is now available here: v4.3.2