Hello.
I have upgraded to 3.5.3 from 3.0.7 f3 and faced the problem with building a project in xCode: /usr/bin/dsymutil failed with exit code 11.
I have investigated the problem by partial upgrading the version of NGUI, by several files, no changes to files, just preserving compilability.
I have found a pack of files that cause dsymutil to fail. Here they are:
http://gyazo.com/33d154e7269b3bd23b1578e69fbf4b0fTemporarily I have solved the problem excluding BuildOptions.AllowDebugging option from the build-pipeline.
If I can help you in some way to fix the problem, please write.