See http://code.google.com/p/google-maps-utility-library-v3/issues/detail?id=129
Beginning recently, presumably triggered by a change in one of the nightly releases, markers and/or their associated labels are not being positioned property -- but only when using certain browsers -- when using the MarkerWithLabel utility library. All seems to be behave as expected for v=3.5 -- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" group. 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.