Unity 2017.1 came out recently, and it no longer defines UNITY_5 compiler constant.
UNITY_5_3_OR_NEWER is used instead, in this case, to make compilation possible in Unity 2017.
I decided to leave UNITY_5 in place to prevent breaking Unity 5.1/5.2 users' code.
andyburke
commented
6 years ago
Unity 2017.1 came out recently, and it no longer defines
UNITY_5compiler constant.UNITY_5_3_OR_NEWERis used instead, in this case, to make compilation possible in Unity 2017. I decided to leaveUNITY_5in place to prevent breaking Unity 5.1/5.2 users' code.