Based on [http://wiki.apache.org/stdcxx/C%2B%2B0xCompilerSupport Apache C++0x Compiler Support]

Current minimum supported compilers:

* MSVC - 12.0 (2013) ( target : 14.0/ 2015 )
* GCC - 4.8  ( target : 4.8.1 )
* LLVM/Clang - 3.2 ( target : 3.3 )

||= C++11 Feature         =||= GCC =||= MSVC  =||= Clang =||= Nova  =||= Target =||
|| `alignas`               ||  4.8  ||  14.0   ||  3.0    ||  No*    ||  Yes     ||
|| `alignof`               ||  4.5  ||  Yes    ||  2.9    ||  Yes    ||  Yes     ||
|| Atomic operations       ||  4.4  ||  11.0   ||  3.1    ||  Yes    ||  Yes     ||
|| `auto`                  ||  4.4  ||  10.0   ||  Yes    ||  Yes    ||  Yes     ||
|| C99 preprocessor        ||  4.3  || Partial ||  Yes    || Partial ||  Yes     ||
|| `constexpr`             ||  4.6  ||  14.0   ||  3.1    ||  No*    ||  Yes     ||
|| `decltype`              ||  4.3  ||  10.0   ||  2.9    ||  Yes    ||  Yes     ||
|| Defaulted and Deleted   ||  4.4  ||  12.0   ||  3.0    ||  Yes    ||  Yes     ||
|| Delegating constr.      ||  4.7  ||  12.0   ||  3.0    ||  No*    ||  Yes     ||
|| Explicit conv. ops      ||  4.5  ||  12.0   ||  3.0    ||  No*    ||  Yes     ||
|| Extended `friend`       ||  4.7  ||  10.0   ||  2.9    ||  No*    ||  Yes     ||
|| `extern template`       ||  3.3  ||   6.0   ||  Yes    ||  Yes    ||  Yes     ||
|| Forward decl. enums     ||  4.6  ||  11.0   ||  3.1    ||  Yes    ||  Yes     ||
|| Inherit constructors    ||  4.8  ||  14.0   ||  3.3    ||  No*    ||  Yes     ||
|| Initializer lists       ||  4.4  ||  12.0   ||  3.1    ||  No*    ||  Yes     ||
|| Lambda exp & closures   ||  4.5  ||  11.0   ||  3.1    ||  Yes    ||  Yes     ||
|| Local/unnamed templargs ||  4.5  ||  10.0   ||  2.9    ||  Yes    ||  Yes     ||
|| `long long`             ||  Yes  ||  Yes    ||  Yes    ||  Yes    ||  Yes     ||
|| Namespace association   ||  4.4  ||         ||  2.9    ||  No     ||  No      ||
|| New character types     ||  4.4  ||  12.0   ||  2.9    ||  No     ||  No      ||
|| New function syntax     ||  4.4  ||  10.0   ||  2.9    ||  Yes    ||  Yes     ||
|| `nullptr`               ||  4.6  ||  10.0   ||  2.9    ||  Yes    ||  Yes     ||
|| Unicode string literals ||  4.4  ||  12.0   ||  3.0    ||  No     ||  No      ||
|| Raw string literals     ||  4.5  ||  12.0   ||  Yes    ||  Yes    ||  Yes     ||
|| User-defined literals   ||  4.7  ||  12.0   ||  3.1    ||  No     ||  Yes     ||
|| Right angle brackets    ||  4.3  ||  8.0    ||  Yes    ||  Yes    ||  Yes     ||
|| R-Value ref,`std::move` ||  4.5  ||  11.0   ||  Yes    ||  Yes    ||  Yes     ||
|| `static_assert`         ||  4.3  ||  10.0   ||  2.9    ||  Yes    ||  Yes     ||
|| Strongly typed enums    ||  4.4  ||  11.0   ||  2.9    ||  Yes    ||  Yes     ||
|| Template aliases        ||  4.7  ||  12.0   ||  3.0    ||  Yes    ||  Yes     ||
|| Thread-Local Storage    || 4.4!  ||  10.0!  ||  2.9!   || Partial ||  Yes     ||
|| Unrestricted unions     ||  4.6  ||         ||  3.0    ||  No*    ||  Yes     ||
|| Built-in Type Traits    ||  4.3  ||  8.0    ||  3.0    ||  Yes    ||  Yes     ||
|| Variadic templates      ||  4.4  ||  12.0   ||  2.9    ||  Yes    ||  Yes     ||
|| Range-based for-loop    ||  4.6  ||  11.0   ||  3.0    ||  Yes    ||  Yes     ||
|| `override` and `final`  ||  4.7  ||  11.0   ||  2.9    ||  Yes    ||  Yes     ||
|| Attributes              ||  4.8  ||         ||  3.3    ||  No*    ||  Yes     ||
|| ref-qualifiers          || 4.8.1 ||  12.0   ||  2.9    ||  No*    ||  Yes     ||
|| Non-static member init  ||  4.7  ||  12.0   ||  3.0    ||  No*    ||  Yes     ||
|| Magic statics           ||  4.3  ||  12.0   ||  2.9    ||  No*    ||  Yes     ||
|||||||||||| * - might change in near future (MSVC 2015) ||
|||||||||||| ! - partial support ||