REGRESSION: Yes, does not occur in 4.17.2
Navmesh does not automatically update when the user undoes the scaling of a nav mesh bounds volume.
This issue occurs with both changing the scale in the Transform settings, and with changing the extents of the brush.
RESULT
Navmesh does not update automatically
WORKAROUND
Rebuild paths in the level.
How does TextureRenderTarget2D get TArray<uint8> type data?
Why does the REMOVE method of map container remove elements have memory leaks?
How do I set a material as a post-processing material?
How to delete some elements correctly when deleting an array loop?
What is the difference between Camera and CineCamera?
What is the cause of the packaging error falling back to 'GameUserSettings' in ue5?
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-51013 in the post.