id,summary,reporter,owner,description,type,status,priority,milestone,component,version,severity,resolution,keywords,cc
20692,Handle unsaved changes in the customizer,koopersmith,helenyhou,"Losing your changes is no fun.

The way I see it, we have two options:

1) Show an AYS when leaving the customizer by using an onbeforeunload handler.
2) Store unsaved customizations in a customize_data_$stylesheet option. The fact that certain customize settings persist across theme changes (options) while others don't (theme_mods and some theme-specific options) could pose a problem.

I say let's start with #1.",enhancement,closed,normal,3.4,Appearance,3.4,normal,fixed,has-patch,