This does not occur in 4.17.2 at CL 3658906 ...
a fix was proposed in the UDN but it needs to be tested and revised ...
This is a regression from a long while ago that needs to get fixed ...
Licensee notes issue with csgRebuild and proposes a reasonable fix. ...
Fixed in Dev-Editor (CL# 3479874). Needs merging. ...
This one should be fix in the squeletalmesh quadric reduction own by the geometry tools. ...
The licensee has provided a recommended fix for this issue. Please see the UDN. ...
User reports that the issue fixed for ODIN-6308 still occurs for InstancedStaticMeshes. ...