Size of compiled NIBs in Xcode 9 (10.13 SDK)

I've finally upgraded to macOS 10.13 and Xcode 9 and ever since that happened, I've noticed the sizes of compiled NIBs being considerably bigger than what it was when compiling with Xcode 8 on macOS 10.12 (10.12 SDK). That difference can sometimes come close to 95% !. For example, I've got a (pretty packed) NIB, which compiles with Xcode 8 and 10.12 SDK into a compiled file of 51 KB. The same file compiles with Xcode 9 and 10.13 SDK into a compiled file of 95 KB!


What is the reason for this? I compiled projects in terminal and in CompileXIB step I see ibtool called with pretty standard set of options, nothing fancy there. Currently I don't have any machine with macOS 10.12 and Xcode 8 installed to compare what were the options passed to ibtool there, but whatever they were, I wouldn't expect this kind of difference.


Can someone enlighten be here please?

Replies

Same here.