After upgrading to Yosemite Lightroom's map module has become virtually unuseable. It takes minutes to load a map, if it succeeds at all.
OSX 10.10.1 MacPro late 2013 64 GB ram AMD FirePro D700
Known issue with Yosemite: Lightroom: Issue with Map module in OS X 10.10 (Yosemite)
Apparent Solution Found: Apparently the Beta release of the Mac OS update is fixing this. Review the recent posts at this link. Lightroom: Issue with Map module in OS X 10.10 (Yosemite)
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