angular-ui/angular-google-maps — pull request #798 by nmccready (2014-10-23 17:23:29+00:00)
Title: [develop] Performance Improvements (Markers, MarkerClusterer Rewrite)

Performance tweaks

- lazyUpdate map.coffee
- modelsByRef to disable equality checks
- marker managers improvements (MarkerClustererPlus dropped from google tools sdk)

This is to open up this major PR for discussion how to handle merging in these changes.