Surface POIs missing or changed?

Are they gone now? Used to fly around looking for blue circles at 5K above a planets surface. Seem to be gone. Mechanic changed? It's been awhile since I've played.
 
I'm still confused. I know about the POIs that are labelled on the Nav screen (Crash site, etc), but what about those Random little "blue circle" POIs that really do randomly pop-up when skimming a planet? You land close, then use the SRV scanner to home-in to the location. They disappear after you leave. Had a few buildings or a crashed Beacon. Didn't have a name or anything. Are those gone now? I fully scanned a planet, and nothing ever shows on the ship radar.
 
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