I believe there already are plenty (objc.io, Swift by Sundell, Hacking w/ Swift, many more), where they're both technical and tutorial style info. But I still

I believe there already are plenty (objc.io, Swift by Sundell, Hacking w/ Swift, many more), where they're both technical and tutorial style info. But I still feel that, as paying developers (membership fees, and giving out 15-30% of sales to Apple), we should get all the basic info needed without relying on third parties to get it.