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Mysterious duplicated vertices
Open, Needs Triage by DeveloperPublic


System Information
Operating system: Windows-10-10.0.17134 64 Bits
Graphics card: GeForce GTX 750 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 388.13

Blender Version
Broken: version: 2.82 (sub 1), branch: master, commit date: 2019-11-17 21:26, hash: rB6d9d24e3d459
Worked: (optional)

Short description of error
[Please fill out a short description of the error here]

Exact steps for others to reproduce the error
[Please describe the exact steps needed to reproduce the issue]
[Based on the default startup or an attached .blend file (as simple as possible)]

Overall loving the updates of 2.82 but I've been experiencing this thing where verts come out of nowhere always over existing ones. As if I have been accidentally duplicating verticies as I pass them. I turned on the Info tab to see if maybe there is a new duplicate shortcut that I had been pressing. Instead I see this:

Removed 0 vertice(s)
Selected meshes must have equal numbers of vertices
Removed 26 vertice(s)

Here I had a mesh that has 2 shape keys which I meant to edit with X mirror on. But I realize I had it turned off so the plan was to add a mirror modifier duplicate them delete the other shape keys then join them back after applying mirror. Only to find that I couldn't join them because somewhere in the process it had gained verts. Here are all the operations in the way I saw them and I've attached a blend file which I tried to undo to the same point this starts.

The object I was editing in these steps was the one with the gap in it. Where I grabbed the left edge with the edge selector followed by the right then pressed f in the face_add() part. Just in case that is relevant.



Event Timeline