My biggest problems with C++ (one of my favorite languages) 1. ABI issues. 2. Template Error messages. 3. Templates need be defined in header files (generally).

My biggest problems with C++ (one of my favorite languages) 1. ABI issues. 2. Template Error messages. 3. Templates need be defined in header files (generally). 4. Object Slicing. 5. Cross platform Unicode/ASCII string encoding. I understand the reasons behind these, none the less they are really annoying.