I am never quite sure where to post some of these things.
I decided to start here - in case this is related to my lack of knowledge related to a feature.
When certain zones load there seems to be a large number of spurios spawn points marked. By this I mean the little gray plus signs that show where a mob has spawned in the past.
I use the spawn info to great advantage in some situations - so I recognize what the mark is about.
Just not sure how to wipe them and let the info start over - or even what controls them.
I tried searches of the forums - and just may not know how to structure the search.
This is particularly noticeable in Plane of Tranquility where most of the map appears to be gray with plus signs.