We don't want isolated tree on in some clients, like mail or dictionary at this point. As a result, we can turn this setting to off and allow safari and mini browser to turn on
<rdar://problem/64506577>
Created attachment 402241 [details] patch
Created attachment 402249 [details] patch
Created attachment 402250 [details] patch
Comment on attachment 402250 [details] patch View in context: https://bugs.webkit.org/attachment.cgi?id=402250&action=review > Source/WebKit/UIProcess/API/Cocoa/WKPreferencesPrivate.h:216 > + ?
Comment on attachment 402250 [details] patch View in context: https://bugs.webkit.org/attachment.cgi?id=402250&action=review >> Source/WebKit/UIProcess/API/Cocoa/WKPreferencesPrivate.h:216 >> + > > ? will remove
Created attachment 402286 [details] patch
Committed r263275: <https://trac.webkit.org/changeset/263275> All reviewed patches have been landed. Closing bug and clearing flags on attachment 402286 [details].