REGRESSION: Yes
WORKING: 3039270 (4.12.5)
BROKEN: 3087200
After Generating Proxy Meshes, the meshes in the LOD Actor will still change LODs when it is visible in the level.
RESULT:
With the LOD Actor visible, the meshes will still change LODs
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-34689 in the post.