[Development] NSURLConnection backend in 5.6.2

[Thiago Macieira]

The changelog contains this entry:

 - [QTBUG-45031] The NSURLConnection backend of QNetworkAccessManager has
   been removed, since SecureTransport is the default SSL backend on iOS
   and is enabled by default. This means that building with -no-openssl
   -no-securetransport will no longer provide SSL capabilities on iOS.

WTH? Why are we removing options in a patch release? What happened?

Is the backend so severely broken that it needed to be removed?
-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center