C++ compiler support

C++

Language

Headers

Freestanding and hosted implementations

Named requirements

Language support library

Concepts library (C++20)

Diagnostics library

Utilities library

Strings library

Containers library

Algorithms library

Iterators library

Numerics library

Input/output library

Localizations library

Regular expressions library (C++11)

Atomic operations library (C++11)

Thread support library (C++11)

Filesystem library (C++17)

Technical Specifications

C++ language

General topics
Preprocessor Comments	Keywords Escape sequences
Flow control
Conditional execution statements
if	switch
Iteration statements (loops)
for range-for (C++11)	while do-while
Jump statements
continue - break	goto - return
Functions
Function declaration
Lambda function declaration
inline specifier
Exception specifications (deprecated)
noexcept specifier (C++11)
Exceptions
throw-expression	try-catch block
Namespaces
Namespace declaration	Namespace aliases
Types
Fundamental types Enumeration types Function types	Compound types Union types
Specifiers
decltype (C++11) auto (C++11) alignas (C++11)	const/volatile constexpr (C++11)
Storage duration specifiers
Initialization
Default initialization Value initialization Zero initialization Copy initialization Direct initialization	Aggregate initialization List initialization (C++11) Constant initialization Reference initialization

Expressions
Value categories Order of evaluation	Operators Operator precedence
Alternative representations
Literals
Boolean - Integer - Floating-point
Character - String - nullptr (C++11)
User-defined (C++11)
Utilities
Attributes (C++11)
Types
typedef declaration
Type alias declaration (C++11)
Casts
Implicit conversions - Explicit conversions
static_cast - dynamic_cast
const_cast - reinterpret_cast
Memory allocation
new expression	delete expression
Classes
Class declaration Initializer lists this pointer	Access specifiers friend specifier
Class-specific function properties
Virtual function override specifier (C++11) final specifier (C++11)	explicit (C++11) static
Special member functions
Default constructor Copy constructor Move constructor (C++11)	Copy assignment Move assignment (C++11) Destructor
Templates
Class template Function template	Template specialization Parameter packs (C++11)
Miscellaneous
Inline assembly	History of C++

The following table presents compiler support for new C++ features. These include C++11, C++14, C++17, and later accepted revisions (C++20/C++2a) to the standard, as well as various technical specifications.

C++2a features

Note that this list may change, as the draft C++2a standard evolves.

C++2a feature	Paper(s)	Version	GCC	Clang	MSVC	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Portland Group (PGI)	HP aCC	Digital Mars C++
Concepts	P0734R0	c++2a-lang	6 (TS only)
Contracts	P0542R5	c++2a-lang
Default member initializers for bit-fields	P0683R1	c++2a-lang	8	6
const&-qualified pointers to members	P0704R1	c++2a-lang	8	6
Allow lambda-capture [=, this]	P0409R2	c++2a-lang	8	6
__VA_OPT__	P0306R4	c++2a-lang	8 (partial)*	6
Designated initializers	P0329R4	c++2a-lang	4.7(partial)* 8	3.0 (partial)*
template-parameter-list for generic lambdas	P0428R2	c++2a-lang	8
Initializer list constructors in class template argument deduction	P0702R1	c++2a-lang	8	6
init-statements for range-based for	P0614R1	c++2a-lang	9
Three-way comparison operator	P0515R0	c++2a-lang
attribute [[no_unique_address]]	P0840R2	c++2a-lang	9
attributes [[likely]] and [[unlikely]]	P0479R5	c++2a-lang
typename optional	P0634R2	c++2a-lang
Class types as non-type template parameters	P0732R2	c++2a-lang
explicit(bool)	P0892R2	c++2a-lang
constexpr virtual function	P1064R0	c++2a-lang	9
efficient sized delete for variable sized classes	P0722R3	c++2a-lang
Integrating our feature-test macros	P0941R2	c++2a-lang	5	3.4	19.15*
Pack expansion in lambda init-capture	P0780R2	c++2a-lang
Default constructible and assignable stateless lambdas	P0624R2	c++2a-lang	9
Concept library	P0898R3	c++2a
Three-way comparison operator support <compare>	P0515R3	c++2a
std::endian	P0463R1	c++2a	8	7
std::atomic_ref	P0019R8	c++2a
std::bit_cast	P0476R2	c++2a
Extending std::make_shared to support arrays	P0674R1	c++2a
Calendar and timezone	P0355R7	c++2a
std::span	P0122R7	c++2a		7
Floating point atomic	P0020R6	c++2a
Synchronized buffered ostream	P0053R7	c++2a
constexpr for <algorithm> and <utility>	P0202R3	c++2a
More constexpr for <complex>	P0415R1	c++2a
std::remove_cvref	P0550R2	c++2a	9	6
String prefix and suffix checking	P0457R2	c++2a		6
Utility to convert a pointer to a raw pointer	P0653R2	c++2a	8	6
<version>	P0754R2	c++2a	9	7
C++2a feature	Paper(s)	Version	GCC	Clang	MSVC	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Portland Group (PGI)	HP aCC	Digital Mars C++

C++17 features

C++17 feature	Paper(s)	Version	GCC	Clang	MSVC	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Portland Group (PGI)	HP aCC	Digital Mars C++
New auto rules for direct-list-initialization	N3922	c++17-lang	5	3.8	19.0*	4.10.1	17.0					17.7
static_assert with no message	N3928	c++17-lang	6	2.5	19.10*	4.12	18.0					17.7
typename in a template template parameter	N4051	c++17-lang	5	3.5	19.0*	4.10.1	17.0					17.7
Removing trigraphs	N4086	c++17-lang	5	3.5	16.0*	5.0
Nested namespace definition	N4230	c++17-lang	6	3.6	19.0*	4.12	17.0					17.7
Attributes for namespaces and enumerators	N4266	c++17-lang	4.9 (namespaces) / 6 (enumerators)	3.6	19.0*	4.11	17.0					17.7
u8 character literals	N4267	c++17-lang	6	3.6	19.0*	4.11	17.0					17.7
Allow constant evaluation for all non-type template arguments	N4268	c++17-lang	6	3.6	19.12*	5.0
Fold Expressions	N4295	c++17-lang	6	3.6	19.12*	4.14	19.0					18.1
Remove Deprecated Use of the register Keyword	P0001R1	c++17-lang	7	3.8	19.11*	4.13	18.0					17.7
Remove Deprecated operator++(bool)	P0002R1	c++17-lang	7	3.8	19.11*	4.13	18.0					17.7
Removing Deprecated Exception Specifications from C++17	P0003R5	c++17-lang	7	4	19.10*	4.14	19.0
Make exception specifications part of the type system	P0012R1	c++17-lang	7	4	19.12*	4.14	19.0
Aggregate initialization of classes with base classes	P0017R1	c++17-lang	7	3.9	19.14*	5.0
Lambda capture of *this	P0018R3	c++17-lang	7	3.9	19.11*	4.14	19.0					18.1
Using attribute namespaces without repetition	P0028R4	c++17-lang	7	3.9	19.11*	4.13	18.0					17.7
Dynamic memory allocation for over-aligned data	P0035R4	c++17-lang	7	4	19.12*	4.14
Unary fold expressions and empty parameter packs	P0036R0	c++17-lang	6	3.9	19.12*	4.14
__has_include in preprocessor conditionals	P0061R1	c++17-lang	5	Yes	19.11*	4.13	18.0					17.7
Template argument deduction for class templates	P0091R3	c++17-lang	7	5	19.14*	5.0
Non-type template parameters with auto type	P0127R2	c++17-lang	7	4	19.14*	5.0
Guaranteed copy elision	P0135R1	c++17-lang	7	4	19.13*	5.0
New specification for inheriting constructors (DR1941 et al)	P0136R1	c++17-lang	7	3.9	19.14*
Replacement of class objects containing reference members	P0137R1	c++17-lang	7	6	19.14*	5.0
Direct-list-initialization of enumerations	P0138R2	c++17-lang	7	3.9	19.11*	4.14	18.0
Stricter expression evaluation order	P0145R3	c++17-lang	7	4	19.14*	5.0
constexpr lambda expressions	P0170R1	c++17-lang	7	5	19.11*	4.14	19.0					18.1
Differing begin and end types in range-based for	P0184R0	c++17-lang	6	3.9	19.10*	4.12	18.0					17.7
[[fallthrough]] attribute	P0188R1	c++17-lang	7	3.9	19.10*	4.13	18.0					17.7
[[nodiscard]] attribute	P0189R1	c++17-lang	7	3.9	19.11*	4.13	18.0					17.7
Pack expansions in using-declarations	P0195R2	c++17-lang	7	4	19.14*	5.0
[[maybe_unused]] attribute	P0212R1	c++17-lang	7	3.9	19.11*	4.13	18.0					17.7
Structured Bindings	P0217R3	c++17-lang	7	4	19.11*	4.14	19.0					18.1
Hexadecimal floating-point literals	P0245R1	c++17-lang	3.0	Yes	19.11*	4.13	18.0					17.7
Ignore unknown attributes	P0283R2	c++17-lang	Yes	3.9	19.11*	4.13	18.0					17.7
constexpr if statements	P0292R2	c++17-lang	7	3.9	19.11*	4.14	19.0					18.1
init-statements for if and switch	P0305R1	c++17-lang	7	3.9	19.11*	4.14	18.0					18.1
Inline variables	P0386R2	c++17-lang	7	3.9*	19.12*	4.14	19.0					18.1
DR: Matching of template template-arguments excludes compatible templates	P0522R0	c++17-lang	7	4	19.12*	5.0
std::uncaught_exceptions()	N4259	c++17	6	3.7	19.0*	N/A	N/A					N/A
Improving std::pair and std::tuple	N4387	c++17	6	4	19.0*	N/A	N/A					N/A
std::any	P0220R1	c++17	7	4	19.10*	N/A	N/A					N/A
std::variant	P0088R3	c++17	7	4	19.10*	N/A	N/A					N/A
std::optional	P0220R1	c++17	7	4	19.10*	N/A	N/A					N/A
std::shared_mutex (untimed)	N4508	c++17	6	3.7	19.0*	N/A	N/A					N/A
std::string_view	N3921	c++17	7	4	19.10*	N/A	N/A					N/A
Standardization of Parallelism TS	P0024R2	c++17			19.14*	N/A	18.0*					N/A
Elementary string conversions	P0067R5	c++17	8 (no FP)		19.14* (no FP) 19.15*	N/A	N/A					N/A
Mathematical special functions	P0226R1	c++17	7		19.14*	N/A	N/A					N/A
Splicing Maps and Sets	P0083R3	c++17	7		19.12*	N/A	N/A					N/A
Hardware interference size	P0154R1	c++17			19.11*	N/A	N/A					N/A
std::filesystem	P0218R1	c++17	8	7	19.14*	N/A	N/A					N/A
std::byte	P0298R3	c++17	7	5	19.11*	N/A	N/A					N/A
C++17 feature	Paper(s)	Version	GCC	Clang	MSVC	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Portland Group (PGI)	HP aCC	Digital Mars C++

C++14 features

C++14 feature	Paper(s)	Version	GCC	Clang	MSVC	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Portland Group (PGI)	HP aCC	Digital Mars C++
Tweaked wording for contextual conversions	N3323	c++14-lang	4.9	3.4	18.0*	4.9	16.0	13.1.2*	5.15		8.6	16.1
Binary literals	N3472	c++14-lang	4.3/4.9	2.9	19.0*	4.10	11.0	13.1.2*	5.14		8.6	2015
decltype(auto), Return type deduction for normal functions	N3638	c++14-lang	4.8/4.9	3.3/3.4	19.0*	4.9	15.0	13.1.2*	5.15		8.6	16.1
Initialized/Generalized lambda captures (init-capture)	N3648	c++14-lang	4.5/4.9	3.4	19.0*	4.10	15.0		5.15		8.6	16.1
Generic (polymorphic) lambda expressions	N3649	c++14-lang	4.9	3.4	19.0*	4.10	16.0	13.1.2*	5.15		8.6	16.1
Variable templates	N3651	c++14-lang	5	3.4	19.0*	4.11	17.0	13.1.2*	5.15		8.6	17.4
Extended constexpr	N3652	c++14-lang	5	3.4	19.10*	4.11	17.0	13.1.2*	5.15		8.6	17.4
Member initializers and aggregates (NSDMI)	N3653	c++14-lang	5	3.3	19.10*	4.9	16.0		5.14		8.6	16.1
Clarifying memory allocation (avoiding/fusing allocations)	N3664	c++14-lang	N/A	3.4	N/A	N/A			N/A		8.6	17.4
[[deprecated]] attribute	N3760	c++14-lang	4.9	3.4	19.0*	4.9	15.0* 16.0	13.1.2*	5.14		8.6	16.1
Sized deallocation	N3778	c++14-lang	5	3.4	19.0*	4.10.1	17.0		5.14		8.6	16.1
Single quote as digit separator	N3781	c++14-lang	4.9	3.4	19.0*	4.10	16.0	13.1.2*	5.14		8.6	2015
std::result_of and SFINAE	N3462	c++14	5	Yes	19.0*	N/A	N/A		5.15	Yes	8.6	N/A
constexpr for <complex>	N3302	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
constexpr for <chrono>	N3469	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
constexpr for <array>	N3470	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
constexpr for <initializer_list>, <utility> and <tuple>	N3471	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
Improved std::integral_constant	N3545	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
User-defined literals for <chrono> and <string>	N3642	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
Null forward iterators	N3644	c++14	5*	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
std::quoted	N3654	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
Heterogeneous associative lookup	N3657	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
std::integer_sequence	N3658	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
std::shared_timed_mutex	N3659	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
std::exchange	N3668	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
fixing constexpr member functions without const	N3669	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
std::get<T>()	N3670	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
Dual-Range std::equal, std::is_permutation, std::mismatch	N3671	c++14	5	3.4	19.0*	N/A	N/A		5.15		8.6	N/A
C++14 feature	Paper(s)	Version	GCC	Clang	MSVC	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Portland Group (PGI)	HP aCC	Digital Mars C++

C++11 features

C++11 feature	Paper(s)	Version	GCC	Clang	MSVC	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Portland Group (PGI)	HP aCC	Digital Mars C++
alignas	N2341	c++11	4.8	3.0	19.0*	4.8	15.0	13.1.2*	5.13	Yes	8.6	2015
alignof	N2341	c++11	4.5	2.9	19.0*	4.8	15.0	13.1.2*	5.13	Yes	8.4	2015
Atomic operations	N2427	c++11	4.4	3.1	17.0*	Yes	13.0	13.1.2*	5.14	Yes	8.4	2015
auto	N1984(v1.0)	c++11	4.4(v1.0)	Yes	16.0*	4.1(v0.9)	11.0(v0.9) 12.0(v1.0)	11.1(v1.0)	5.13	Yes	8.4	2015	A.06.25
C99 preprocessor	N1653		4.3	Yes	19.0* (partial - buggy variadic macros)	4.1	11.1	10.1	5.9	Yes	8.4	2015	A.06.25	Yes
constexpr	N2235	c++11	4.6	3.1	19.0* (partial)	4.6	13.0* 14.0	12.1* 13.1	5.13	Yes	8.4	2015	A.06.28
decltype	v1.0: N2343 v1.1: N3276	c++11	4.3(v1.0) 4.8.1(v1.1)	2.9	16.0*	4.1(v1.0)	11.0(v1.0) 12.0(v1.1)	11.1(v1.0)	5.13	Yes	8.4	2015	A.06.25	8.52(v1.0)
Defaulted and deleted functions	N2346	c++11	4.4	3.0	18.0*	4.1	12.0	13.1	5.13	Yes	8.4	2015	A.06.25
Delegating constructors	N1986	c++11	4.7	3.0	18.0*	4.7	14.0	11.1	5.13	Yes	8.4	2015	A.06.28
Explicit conversion operators	N2437	c++11	4.5	3.0	18.0*	4.4	13.0	12.1	5.13	Yes	8.4	2015	A.06.27
Extended friend declarations	N1791	c++11	4.7	2.9	16.0* (partial)	4.1	11.1* 12.0	11.1	5.13	Yes	8.4	2015	A.06.25
extern template	N1987	c++11	3.3	Yes	12.0*	3.9	9.0	11.1	5.13	Yes	8.4	2015	A.06.25
Forward enum declarations	N2764	c++11	4.6	3.1	17.0*	4.5	11.1* 14.0	12.1	5.13	Yes	8.4	2015
Inheriting constructors	N2540	c++11	4.8	3.3	19.0*	4.8	15.0	13.1.1*	5.13	Yes	8.4	2015
Initializer lists	N2672	c++11	4.4	3.1	18.0*	4.5	13.0* 14.0	13.1.2*	5.13	Yes	8.4	2015	A.06.28
Lambda expressions	v0.9: N2550 v1.0: N2658 v1.1: N2927	c++11	4.5(v1.1)	3.1	16.0*(v1.0) 17.0*(v1.1)	4.1(v1.1)	12.0(v1.1)	13.1.2*	5.13	Yes	8.4	2015	A.06.25
Local and unnamed types as template parameters	N2657		4.5	2.9	16.0*	4.2	12.0	13.1.2*	5.13	Yes	8.4	2015	A.06.27
long long	N1811	c++11	Yes	Yes	14.0*	Yes	Yes	Yes	Yes	Yes	8.4	2015	Yes	Yes
Inline namespaces	N2535	c++11	4.4	2.9	19.0*	4.5	14.0	11.1	5.13	Yes	8.4	2015	A.06.28
New character types	N2249	c++11	4.4	2.9	19.0*	4.4	12.1* 14.0	13.1.1*	5.13	Yes	8.4	2015	A.06.27	8.52
Trailing function return types	N2541	c++11	4.4	2.9	16.0*	4.1	12.0	12.1	5.13	Yes	8.4	2015	A.06.27
nullptr	N2431	c++11	4.6	2.9	16.0*	4.2	12.1	13.1	5.13	Yes	8.4	2015	A.06.27	8.52
Unicode string literals	N2442	c++11	4.4	3.0	19.0*	4.7	11.0*	10.1* 13.1.1*	5.7	Yes	8.4	2015	A.06.28	8.52
Raw string literals	N2442	c++11	4.5	Yes	18.0*	4.7	14.0	13.1.1*	5.13	Yes	8.4	2015	A.06.28	8.52
User-defined literals	N2765	c++11	4.7	3.1	19.0*	4.8	15.0	13.1.2*	5.14	Yes	8.4	2015
Right angle brackets	N1757	c++11	4.3	Yes	14.0*	4.1	11.0	12.1	5.13	Yes	8.4	2015
Rvalue references	v1.0: N2118 v2.0: N2844 v2.1: N2844+ v3.0: N3053	c++11	4.3(v1.0) 4.5(v2.1) 4.6(v3.0)	Yes	16.0*(v2.0) 17.0*(v2.1) 19.0*(v3.0)	4.5(v3.0)	11.1(v1.0) 12.0(v2.0) 14.0(v3.0)	12.1(v2.1)	5.13	Yes	8.4	2015	A.06.25
static_assert	N1720	c++11	4.3	2.9	16.0*	4.1	11.0	11.1	5.13	Yes	8.4	2015	A.06.25	8.52
Strongly-typed enum	N2347	c++11	4.4	2.9	17.0*	4.0	13.0	12.1	5.13	Yes	8.4	2015	A.06.25
Template aliases	N2258	c++11	4.7	3.0	18.0*	4.2	12.1	13.1.1*	5.13	Yes	8.4	2015	A.06.27
Thread-local storage	N2659	c++11	4.4* 4.8	3.3* 3.3	16.0* (partial) 19.0*	4.8	11.1* 15.0*	10.1* 13.1.2*	5.9*	Yes	8.4	2015		8.52*
Unrestricted unions	N2544	c++11	4.6	3.0	19.0*	4.6	14.0*	13.1.2*	5.13	Yes	8.4	2015	A.06.28
Type traits	N1836	c++11	4.3	3.0	14.0*	4.0	10.0	13.1.3	5.13	Yes	8.4	2015	6.16
Variadic templates	v0.9: N2242 v1.0: N2555	c++11	4.3(v0.9) 4.4(v1.0)	2.9(v1.0)	18.0*	4.1(v0.9)	12.1(v1.0)	11.1(v0.9)	5.13	Yes	8.4	2015	A.06.27
Range-for loop	N2930	c++11	4.6	3.0	17.0*	4.5	13.0	13.1.2*	5.13	Yes	8.4	2015	A.06.28
override and final	v0.8: N2928 v0.9: N3206 v1.0: N3272	c++11	4.7	2.9	14.0* (partial) 17.0*	4.8(v1.0)	12.0(v0.8) 14.0(v1.0)	13.1.1*	5.13	Yes	8.4	2015
Attributes	N2761	c++11	4.8	3.3	19.0*	4.2	12.1	13.1.1*	5.13	Yes	8.4	2015	A.06.27
ref-qualifiers	N2439	c++11	4.8.1	2.9	19.0*	4.7	14.0	13.1.2*	5.13	Yes	8.4	2015	A.06.28
Non-static data member initializers	N2756	c++11	4.7	3.0	18.0*	4.6	14.0	13.1.2*	5.13	Yes	8.4	2015	A.06.28
Dynamic initialization and destruction with concurrency (magic statics)	N2660	c++11	4.3	2.9	19.0*	Yes	11.1*	13.1.2*	5.13	Yes	8.4	2015	A.06.25
noexcept	N3050	c++11	4.6	3.0	19.0*	4.5	14.0	13.1.1*	5.13	Yes	8.4	2015	A.06.28
dynamic pointer safety (GC interface)	N2670	c++11				N/A	N/A					N/A
Money, Time, and hexfloat I/O manipulators	Time: N2071 Money: N2072	c++11	5	3.8	19.0*	N/A	N/A		5.15			N/A
C++11 feature	Paper(s)	Version	GCC	Clang	MSVC	EDG eccp	Intel C++	IBM XLC++	Sun/Oracle C++	Embarcadero C++ Builder	Cray	Portland Group (PGI)	HP aCC	Digital Mars C++

* - hover over the version number to see notes

References

Individual vendor compatibility checklists (these are more up-to-date than the table above)

• GCC (Updated 2018-05)

• C++11 core language support status (complete as of 4.8.1)
• C++14 core language support status (complete as of 5.1)
• C++17 core language support status (complete as of 7.1)
• C++20 core language support status
• C++11 library support status (complete as of 5.1)
• C++14 library support status (complete as of 5.1)
• C++17 library support status
• Technical Specifications support status

• Clang++ (Updated 2017-09)

• C++11 core language support status (complete as of 3.3)
• C++11 library support status (complete as of 2012-07-29)
• C++14 core language support status (complete as of 3.4)
• C++14 library support status (complete as of 3.5)
• Technical Specifications support status
• C++17 core language support status (complete as of 5.0)
• C++17 library support status
• C++20 core language support status
• C++20 library support status
• Core language defect report status

• Microsoft Visual Studio (updated 2018-09)

• STL Features and Fixes in VS 2017 15.8
• C++17 Announcing: MSVC Conforms to the C++ Standard (complete as of 15.7)
• C++17 Features And STL Fixes In VS 2017 15.5
• C++17 Features And STL Fixes In VS 2017 15.3
• C++11/C++14/C++17 core language and library status in VS2017.3
• C++11/C++14/C++17 core language support status

• C++11/14/17 core language support status in VS2010, VS2012, VS2013, and VS2015
• VS2013 vs. VS2015 CTP0
• VS2013 vs. VS2015 CTP1
• VS2013 vs. VS2015 CTP3 (includes the roadmap table)
• VS2015 ("VS14") preview
• VS2015 ("VS14") release candidate (C++11 remains incomplete, but C++17 support appears)
• VS2017

• C++11 and C++14 library support status
• C++11/14/17 Features In VS 2015 RTM including core language and standard library (including technical specifications)
• C++14/17 features in VS 2015 Update 2 standard library library is feature complete up to current C++17 with few minor issues (some defect reports, some constexprs, etc)
• C++14/17 Features and STL Fixes in VS 15 Preview 5 including a detailed C++17 status table

• Intel C++ (Updated 2017-11)

• C++11 core language support status (complete as of 15.0)
• C++14 core language support status (functionally complete as of 17.0 - N3664 is an optimization)
• C++17 core language support status (incomplete)
• C++17 features of Intel 19.0 beta
• Intel does not ship an implementation of the C++ standard library, except for

• Parallel STL (an implementation of the C++17 standard library algorithms with support for execution policies)

• EDG (Updated 2018-06)

• C++11 core language support status
• C++14 core language support status
• C++17 core language support status
• EDG does not ship an implementation of the C++ standard library

• Oracle C++ (updated 2017-07)

• Version number is compiler version, not Oracle Studio version
• C++11 core language support status in 5.13

• Missing C++11 support added in 5.14 (page has a typo, and still says 5.13)

• C++14 features added in 5.14

• Full C++14 support added in 5.15.

• Oracle ships 4 implementations of the C++ standard library:

• libCstd (RogueWave Standard Library version 2), predates C++98
• stlport4 (STLport Standard Library version 4.5.3), predates C++03
• stdcxx4 (Apache Standard Library version 4), predates C++11
• libstdc++ (GCC runtime library, support for C++11 and C++14 depending on release)

• IBM XL C++ (updated 2018-05)

• IBM XL C++ for Linux

• Core language support status: C++11 complete as of 13.1.6, C++14 partial in 16.1.0
• IBM does not ship an implementation of C++ standard library for Linux (uses GNU libstdc++)

• IBM XL C++ for AIX

• Core language support status: C++11 partial in 13.1.3.
• IBM ships a version of Dinkumware library for AIX with full support for C++ TR1, including <regex>, but no C++11

• HP aCC

• HP aC++ A.06.28 release notes (including C++11 core language features)
• HP ships a version of RogueWave STL 2.0 implementation of the C++98 standard library

• Digital Mars C++

• C++11 core language support status

• Embarcadero C++

• C++11 core language support status (C++ Builder 10.1 Berlin for Windows 32/64, iOS and Android clang-enhanced compilers) [1]

• Cray (updated 2018-01)

• [2] For version 8.4, claims all of C++14 is supported except alignas
• Cray C and C++ Reference Manual (8.6) For version 8.6, claims all of C++14 is supported

• Portland Group (PGI) (updated 2018-02)

• Release notes for 2016 claim C++14 support, except "generalized constexpr and constexpr member functions and implicit const, variable templates, clarifying memory allocation (merged allocation)"
• Release notes for 2018
• PGI does not ship an implementation of C++ standard library

• Texas Instruments (updated 2018-05)

• cl430 version v18.1.0 claims C++14 support

• Analog Devices (updated 2018-05)

• CrossCore Embedded Studio 2.8.0 for SHARC claims C++11 support.