Client Changes to Highlights in Humanoids Replicate

If an already existing Highlight inside a model with a humanoid is changed by the client, the changes will replicate to the server.

This only happens in Studio

Script

local Highlight = workspace.Dummy.Highlight -- An NPC with a Disabled Highlight

task.wait(2)
Highlight.Enabled = true
Highlight.FillColor = Color3.new(0,0,255)

-- Visual Changes will Replicate, but Properties are Unaffected

Video

Repro

Highlight_Bug.rbxl (44.0 KB)

System Specs

Intel(R) Core™i5-10400F CPU @ 2.90GHz
16 GB
NVIDIA GeForce GTX 1650 SUPER

We’ve filled a ticket into our internal database for this issue, and we will update you when we have further information.

Thanks for the report!

2 Likes

If you check the property value you’ll see that the property was not actually replicated back to the server.

This is a rendering artifact only arising from the fact that the client and server in Play mode in Studio use the same rendering engine underneath, and won’t be an issue in a live game or if you launch separate local test server / clients.

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