See the other thread for details here:
https://www.winnipesaukee.com/forums...d.php?p=383097
But to summarize the latest update from Garmin which I just received yesterday:
Garmin just released an update to the G3 chart which resolves the missing red-top and black-top marker problem.
The new updated g3 map download is version:
"US LakeVu g3 Detail Map v25.0 v2024.0"