bump readme compiler versions

README.md

@@ -5,18 +5,16 @@ API. It provides containers (dynamic arrays etc) as well as other utilities.
 
 Documentation for OctaSTD can be found at https://wiki.octaforge.org/docs/octastd.
 
-It utilizes C++11. It also implements equivalents of certain C++14 library
-features that are possible to implement with the C++11 language. It does not
-go beyond C++11 level when it comes to core language features.
+Full C++14 support is required in your compiler.
 
 ## Supported compilers
 
 Compiler | Version
 -------- | -------
-gcc/g++  | 4.8+
-clang    | 3.3+
+gcc/g++  | 5+
+clang    | 3.8+
 
-Other C++11 compliant compilers might work as well. OctaSTD does not utilize
+Other C++14 compliant compilers might work as well. OctaSTD does not utilize
 compiler specific extensions except certain builtin type traits - to implement
 traits that are not normally possible to implement without compiler support.
 
@@ -24,10 +22,15 @@ OctaSTD does not provide fallbacks for those traits. The compiler is expected
 to support these builtins. So far the 2 above-mentioned compilers support them
 (MSVC++ supports most of these as well).
 
+While Clang 3.6 does implement a sufficient level of C++14 support, it suffers
+from a bug in its template variable implementation that prevents OctaSTD from
+functioning. Therefore version 3.8 or higher is necessary (where this bug was
+finally fixed).
+
 MSVC++ is currently unsupported. It is likely that it will never be supported,
-as it seems that MS will start supporting Clang in Visual Studio; however,
-if that does not happen and the MS C++ compiler gains the required features,
-support will be added.
+as MS recently introduced Clang frontend support in Visual Studio; however,
+if their own frontend gains all the necessary features, support will be
+considered.
 
 ## Supported operating systems