Snapping problems with 10.2.2 also, especially after getting a new computer with Windows 8.1 upgrade. So to summarize: No joined tables No reprojected layers No large data sets (too many vertices) Not too many layers Tweek your SQL spatial types Work in a clean MXD Build spatial indexes Work from shape files or file geodatabases. WOW! Seems simple enough. Just change your entire workflow. I know, cynical.
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