By John Gruber Archive The Talk Show Dithering Projects Contact Colophon Feeds / Social Sponsorship Nylas is an API for email, calendar, and contacts. Why the Nitro JavaScript Engine Isn’t Available to Apps Outside Mobile Safari in iOS 4.3 Thursday, 17 March 2011 Along a similar line to today’s story about the performance differences between Mobile Safari and the system-wide UIWebView control in i