MarkerCluster still seems broken for newer gmaps. I took a copy of this test script and put it on the zoom level that's broken:
http://www.nwkite.com/gmapstest.html Zoom in or out and clusters appear. I have had similar problems while using other datasets and conditions. -- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-maps-js-api-v3/-/HCAL0fmaFiMJ. To post to this group, send email to google-maps-js-api-v3@googlegroups.com. To unsubscribe from this group, send email to google-maps-js-api-v3+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-maps-js-api-v3?hl=en.