C++ compiler support

From cppreference.com
< cpp


The following table presents compiler support for new C++ features. These include C++11, C++14, C++17, C++20, and later accepted revisions (C++23/C++2b) to the standard, as well as various technical specifications.

C++2b features

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

C++23 core language features

C++23 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++
(ex Portland Group/PGI)
Nvidia nvcc
Literal suffix for (signed) size_t P0330R8 11 13
Make () more optional for lambdas P1102R2 11 13
if consteval P1938R3 12 14
Removing Garbage Collection Support P2186R2 12
DR: C++ Identifier Syntax using Unicode Standard Annex 31 P1949R7 12 14
DR: Allow Duplicate Attributes P2156R1 11 13
Narrowing contextual conversions in static_assert and constexpr if P1401R5 9 13 (partial)*
14
Trimming whitespaces before line splicing P2223R2 Yes Yes Yes
Make declaration order layout mandated P1847R4 Yes Yes Yes Yes
Removing mixed wide string literal concatenation P2201R1 Yes Yes Yes Yes Yes
Deducing this P0847R7
auto(x) and auto{x} P0849R8 12
Change scope of lambda trailing-return-type P2036R3
#elifdef and #elifndef P2334R1 12 13
Non-literal variables (and labels and gotos) in constexpr functions P2242R3 12
Consistent character literal encoding P2316R2 Yes Yes
Character sets and encodings P2314R4 Yes
Extend init-statement to allow alias-declaration P2360R0 12 14
Multidimensional subscript operator P2128R6 12
C++23 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++
Nvidia nvcc

C++23 library features

C++23 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library
Stacktrace library P0881R7
<stdatomic.h> P0943R6 19.31*
std::is_scoped_enum P1048R1 11 12 19.30*
basic_string::contains(), basic_string_view::contains() P1679R3 11 12 19.30*
std::to_underlying P1682R3 11 13 19.30*
Relaxing requirements for time_point<>::clock P2212R2 N/A N/A
DR: std::visit() for classes derived from std::variant P2162R2 12 13 19.20**
19.30*
DR: Conditionally borrowed ranges P2017R1 11 19.30*
DR: Repairing input range adaptors and std::counted_iterator P2259R1 12 19.30*(partial)*
19.31*
Providing size feedback in the Allocator interface P0401R6 19.30*
<spanstream> : string-stream with std::span-based buffer P0448R4 12 19.31*
std::out_ptr(), std::inout_ptr() P1132R8 19.30*
constexpr type_info::operator==() P1328R1
Iterator pair constructors for std::stack and std::queue P1425R4 12 19.31*
Non-deduction context for allocators in container deduction guides P1518R2 12 13 19.31*
ranges::starts_with() and ranges::ends_with() P1659R3 19.31*
Prohibiting std::basic_string and std::basic_string_view construction from nullptr P2166R1 12 13 19.30*
std::invoke_r() P2136R3 12 19.31*
Range constructor for std::basic_string_view P1989R2 11 19.30*
Default template arguments for pair's forwarding constructor P1951R1 12 14 19.30*
Remove Garbage Collection and Reachability-Based Leak Detection (library support) P2186R2 12 14 19.30*
DR: join_view should join all views of ranges P2328R1 11.2 19.30*
DR: view does not require default_initializable P2325R3 12 19.30*
DR: Range adaptor objects bind arguments by value P2281R1 11 19.29 (16.10)*
(partial)*
19.31*
DR: constexpr for std::optional and std::variant P2231R1 12 13 (partial)* 19.31*
DR: std::format() improvements P2216R3
DR: lazy_split_view and redesigned split_view P2210R2 12 19.31*
Alias std::pmr::stacktrace P2301R1
zip P2321R2
Heterogeneous erasure overloads for associative containers P2077R3
std::byteswap() P1272R4 14 19.31*
Printing volatile T* P1147R1 12 14 19.31*
basic_string::resize_and_overwrite() P1072R10 12 19.31*
Monadic operations for std::optional P0798R8 12
std::move_only_function P0288R9 12
Add a conditional noexcept specification to std::exchange P2401R0 12 14 19.25*
Require span & basic_string_view to be TriviallyCopyable P2251R1 Yes Yes Yes Yes
Clarifying the status of the “C headers” P2340R1
DR: Fix ranges::istream_view P2432R1 12 19.31*
DR: Add support for non-const-formattable types to std::format P2418R2
DR: What is a view P2415R2 19.31*
DR: fixing locale handling in chrono formatters P2372R3 19.31*
DR: Cleaning up integer-class types P2393R1
C++23 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library

C++20 features

C++20 core language features

C++20 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++
(ex Portland Group/PGI)
Nvidia nvcc
Allow lambda-capture [=, this] P0409R2 8 6 19.22*

10.0.0*

5.1 20.7
__VA_OPT__ P0306R4
P1042R1
8 (partial)*
10 (partial)*
12
9 19.25*

11.0.3*

5.1 20.7
Designated initializers P0329R4 4.7 (partial)*
8
3.0 (partial)*
10
19.21* (partial)* 5.1 20.7
template-parameter-list for generic lambdas P0428R2 8 9 19.22*

11.0.0*

5.1 20.7
Default member initializers for bit-fields P0683R1 8 6 19.25*

10.0.0*

5.1 20.7
Initializer list constructors in class template argument deduction P0702R1 8 6 19.14* Yes 5.0 20.7
const&-qualified pointers to members P0704R1 8 6 19.0 (2015)*

10.0.0*

5.1 20.7
Concepts P0734R0 6
(TS only)
10
10 19.23* (partial)*
19.30*

12.0.0* (partial)

6.1 20.11
Lambdas in unevaluated contexts P0315R4 9 13 (partial)*
14 (partial)*
19.28 (16.8)*
Three-way comparison operator P0515R3 10 8 (partial)
10
19.20* 5.1 20.7
DR: Simplifying implicit lambda capture P0588R1 8 19.24* 5.1 20.7
init-statements for range-based for P0614R1 9 8 19.25*

11.0.0*

6.0 20.11
Default constructible and assignable stateless lambdas P0624R2 9 8 19.22*

10.0.1*

5.1 20.7
const mismatch with defaulted copy constructor P0641R2 9 8 19.0 (2015)*

10.0.1*

5.1 20.7
Access checking on specializations P0692R1 Yes 8 (partial)
14
19.26*

10.0.1* (partial)

5.1 20.7
ADL and function templates that are not visible P0846R0 9 9 19.21*

11.0.3*

5.1 20.7
DR: Specify when constexpr function definitions are needed for constant evaluation P0859R0 5.2 (partial)*
9
8 19.27* (partial)*
19.31*
Attributes [[likely]] and [[unlikely]] P0479R5 9 12 19.26*

13.0.0*

5.1 20.7
Make typename more optional P0634R3 9 19.29 (16.10)* 5.1 20.7
Pack expansion in lambda init-capture P0780R2 9 9 19.22*

11.0.3*

6.1 20.11
Attribute [[no_unique_address]] P0840R2 9 9 19.28 (16.9)**

11.0.3*

5.1 20.7
Conditionally Trivial Special Member Functions P0848R3 10 19.28 (16.8)* 6.1 20.11
DR: Relaxing the structured bindings customization point finding rules P0961R1 8 8 19.21*

10.0.1*

5.1 20.7
DR: Relaxing the range-for loop customization point finding rules P0962R1 8 8 19.25* 5.1 20.7
DR: Allow structured bindings to accessible members P0969R0 8 8 19.21*

10.0.1*

5.1 20.7
Destroying operator delete P0722R3 9 6 19.27*

10.0.0*

6.1 20.11
Class types in non-type template parameters P0732R2 9 12 (partial) 19.26*(partial)*
19.28 (16.9)*
6.2
Deprecate implicit capture of this via [=] P0806R2 9 7 19.22* 5.1 20.7
explicit(bool) P0892R2 9 9 19.24*

11.0.3*

5.1 20.7
Integrating feature-test macros P0941R2 5 3.4 19.15* (partial)
19.20*
Yes 5.0 20.7
Prohibit aggregates with user-declared constructors P1008R1 9 8 19.20*

10.0.1*

5.1 20.7
constexpr virtual function P1064R0 9 9 19.28 (16.9)*

11.0.3*

5.1 20.7
Consistency improvements for comparisons P1120R0 10 8 (partial)
10
19.22*

10.0.1* (partial)

5.1 20.7
char8_t P0482R6 9 7 19.22*

10.0.0*

5.1 20.7
std::is_constant_evaluated() P0595R2 9 9 19.25*

11.0.3*

5.1 19.1
constexpr try-catch blocks P1002R1 9 8 19.25*

10.0.1*

5.1 20.7
Immediate functions (consteval) P1073R3 10 (partial)*
11
11 (partial)
14 (partial)*
19.28 (16.8)**
(partial)
19.29 (16.10)*
5.1 20.7
Nested inline namespaces P1094R2 9 8 19.27*

10.0.1*

5.1 20.7
Yet another approach for constrained declarations P1141R2 10 10 19.26* (partial)
19.28 (16.9)*
6.1 20.11
Signed integers are two's complement P1236R1 9 9 Yes

11.0.3*

N/A yes
dynamic_cast and polymorphic typeid in constant expressions P1327R1 10 9 19.29 (16.10)*

11.0.3*

5.1 20.7
Changing the active member of a union inside constexpr P1330R0 9 9 19.10*

11.0.3*

5.1 20.7
Coroutines P0912R5 10 8 (partial) 19.0 (2015)* (partial)
19.10* (TS only)
19.28 (16.8)*

10.0.1* (partial)

5.1
Parenthesized initialization of aggregates P0960R3 10 19.28 (16.8)* 5.1 20.7
DR: Array size deduction in new-expressions P1009R2 11 9 19.27*

11.0.3*

5.1 20.7
Modules P1103R3 11 (partial) 8 (partial) 19.0 (2015)* (partial)
19.10* (TS only)
19.28 (16.8)*

10.0.1* (partial)

Stronger Unicode requirements P1041R4
P1139R2
10 Yes 19.0 (2015)* (P1041R4)
19.26* (P1139R2)
Yes N/A
<=> != == P1185R2 10 10 19.22* 5.1 20.7
DR: Explicitly defaulted functions with different exception specifications P1286R2 10 9 19.28 (16.8)*

11.0.3*

5.1 20.7
Lambda capture and storage class specifiers of structured bindings P1091R3
P1381R1
10 8 (partial) 19.11*(P1381R1)
19.24*(P1091R3)

10.0.1* (partial)

5.1 20.7
Permit conversions to arrays of unknown bound P0388R4 10 14 19.27* 6.0 20.11
constexpr container operations P0784R7 10 10 19.28 (16.9)* 6.0 20.11
Deprecating some uses of volatile P1152R4 10 10 19.27* 6.0 20.11
constinit P1143R2 10 10 19.29 (16.10)* 6.1 20.11
Deprecate comma operator in subscripts P1161R3 10 9 19.25*

11.0.3*

6.0 20.11
[[nodiscard]] with message P1301R4 10 9 19.25*

11.0.3*

6.0 20.11
Trivial default initialization in constexpr functions P1331R2 10 10 19.27* 6.1 20.11
Unevaluated asm-declaration in constexpr functions P1668R1 10 10 19.28 (16.9)* 6.1 20.11
using enum P1099R5 11 13 19.24* 6.3
Synthesizing three-way comparison for specified comparison category P1186R3 11 10 19.24* 6.0 20.11
DR: [[nodiscard]] for constructors P1771R1 10 9 19.24*

11.0.3*

6.0 20.11
Class template argument deduction for alias templates P1814R0 10 19.27*
Class template argument deduction for aggregates P1816R0
P2082R1
10(P1816R0)
11(P2082R1)
19.27*
DR: Implicit move for more local objects and rvalue references P1825R0 11* 13 19.24* 6.0 20.11
Allow defaulting comparisons by value P1946R0 10 10 19.25* 6.1 20.11
Remove std::weak_equality and std::strong_equality P1959R0 10 10 19.25* 6.1 20.11
Inconsistencies with non-type template parameters P1907R1 10 (partial)
11
12 (partial) 19.26* 6.2
DR: Pseudo-destructors end object lifetimes P0593R6 11 11 Yes N/A
DR: Converting from T* to bool should be considered narrowing P1957R2 10*
11*
11 19.27* 6.1
C++20 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++
Nvidia nvcc

C++20 library features

C++20 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library
std::endian P0463R1 8 7 19.22*

10.0.0*

Extending std::make_shared() to support arrays P0674R1 19.27*
Floating-point atomic P0020R6 10 19.22*
Synchronized buffered (std::basic_osyncstream) P0053R7 11 19.29 (16.10)*
constexpr for <algorithm> and <utility> P0202R3 10 8 (partial)
12
19.26*

10.0.1* (partial)
12.0.5*

More constexpr for <complex> P0415R1 9 7 (partial) 19.27*

10.0.0* (partial)

Make std::memory_order a scoped enumeration P0439R0 9 9 19.25*

11.0.3*

String prefix and suffix checking: string(_view) ::starts_with/ends_with P0457R2 9 6 19.21*

10.0.0*

Library support for operator<=> <compare> P0768R1 10 7 (partial)
12
19.20* (partial)
19.28 (16.9)*

10.0.0* (partial)

std::remove_cvref P0550R2 9 6 19.20*

10.0.0*

[[nodiscard]] in the standard library P0600R1 9 7 (partial) 19.13* (partial)
19.22*

10.0.0* (partial)

Using std::move in numeric algorithms P0616R0 9 12 19.23*
Utility to convert a pointer to a raw pointer P0653R2 8 6 19.22* Yes
Atomic std::shared_ptr and std::weak_ptr P0718R2 19.27*
std::span P0122R7 10 7 19.26*

10.0.0*

Calendar and timezone P0355R7 11 (partial) 7 (partial) 19.29 (16.10)*

10.0.0* (partial)

<version> P0754R2 9 7 19.22*

10.0.0*

Comparing unordered containers P0809R0 Yes 16.0* Yes
ConstexprIterator requirements P0858R0 9 12 19.11*
std::basic_string::reserve() should not shrink P0966R1 11 8 19.25*

10.0.1*

Atomic Compare-And-Exchange with padding bits P0528R3 19.28 (16.8)*
std::atomic_ref P0019R8 10 19.28 (16.8)*
contains() member function of associative containers, e.g. std::map::contains() P0458R2 9 9 (partial)*
13
19.21*

11.0.3*

DR: Guaranteed copy elision for piecewise construction P0475R1 9 Yes 19.29 (16.10)* Yes
std::bit_cast() P0476R2 11 14 19.27*
Integral power-of-2 operations:

std::bit_ceil(), std::bit_floor(), std::bit_width(), std::has_single_bit()

P0556R3 P1956R1 9 (P0556R3)
10 (P1956R1)
9 (P0556R3)
12 (P1956R1)
19.25* (P0556R3)*
19.27* (P1956R1)*
19.28 (16.8)*
Improving the return value of erase-like algorithms P0646R1 9 10 19.21*
std::destroying_delete P0722R3 9 9 19.27*

11.0.3*

std::is_nothrow_convertible P0758R1 9 9 19.23*

11.0.3*

Add std::shift_left/right to <algorithm> P0769R2 10 12 19.21*
Constexpr for std::swap() and swap related functions P0879R0 10 12 (partial)
13
19.26*
std::type_identity P0887R1 9 8 19.21*

10.0.1*

Concepts library P0898R3 10 13 19.23*

12.0.0* (partial)

constexpr comparison operators for std::array P1023R0 10 8 19.27*

10.0.1*

std::unwrap_ref_decay and std::unwrap_reference P0318R1 9 8 19.21*

10.0.1*

std::bind_front() P0356R5 9 13 19.25*
std::reference_wrapper for incomplete types P0357R3 9 8 19.26*

10.0.1*

Fixing operator>>(basic_istream&, CharT*) P0487R1 11 8 19.23*

10.0.1*

Library support for char8_t P0482R6 9 8 (partial)*
19.22*
Utility functions to implement uses-allocator construction P0591R4 9 19.29 (16.10)*
DR: std::variant and std::optional should propagate copy/move triviality P0602R4 8.3 8 19.11*

10.0.1*

A sane std::variant converting constructor P0608R3 10 9 19.29 (16.10)*

11.0.3*

std::function's move constructor should be noexcept P0771R1 7.2 6 19.22* Yes
The One Ranges Proposal P0896R4 10 13 (partial) 19.29 (16.10)*
Heterogeneous lookup for unordered containers P0919R3 P1690R1 11 12 19.23* (P0919R3)
19.25* (P1690R1)
<chrono> zero(), min(), and max() should be noexcept P0972R0 9 8 19.14*

10.0.1*

constexpr in std::pointer_traits P1006R1 9 8 19.26*

10.0.1*

std::assume_aligned() P1007R3 9*
11
19.28 (16.9)*
Smart pointer creation with default initialization (e.g. make_unique_for_overwrite) P1020R1
P1973R1
19.28 (16.9)*
Misc constexpr bits P1032R1 10 13 19.28 (16.8)*
Remove comparison operators of std::span P1085R2 10 8 19.26*

10.0.1*

Make stateful allocator propagation more consistent for operator+(basic_string) P1165R1 10 19.26*
Consistent container erasure, e.g. std::erase(std::vector), or std::erase_if(std::map) P1209R0 P1115R3 9 (P1209R0)
10 (P1115R3)
8 (P1209R0)
11 (P1115R3)
19.25* (P1209R0)
19.27* (P1115R3)

10.0.1* (P1209R0)

Standard library header units P1502R1 11 19.29 (16.10)*
polymorphic_allocator<> as a vocabulary type P0339R6 9 19.28 (16.9)*
std::execution::unseq P1001R2 9 19.28 (16.8)*
std::lerp() and std::midpoint() P0811R3 9 9 19.23* (partial)
19.28 (16.8)*

11.0.3*

Usability enhancements for std::span P1024R3 10 9*
14
19.26*

11.0.3*

DR: Make create_directory() intuitive P1164R1 8.3 12 19.20*
std::ssize() and unsigned extent for std::span P1227R2 10 9 19.25*

11.0.3*

Traits for (un)bounded arrays P1357R1 9 9 19.25*

11.0.3*

std::to_array() P0325R4 10 10 19.25*
Efficient access to std::basic_stringbuf’s buffer P0408R7 11 19.29 (16.10)*
Layout-compatibility and pointer-interconvertibility traits P0466R5 12 19.29 (16.10)**
Bit operations: std::

rotl(), rotr(), countl_zero(), countl_one(), countr_zero(), countr_one(), popcount()

P0553R4 9 9 19.25**
19.28 (16.8)*

11.0.3*

Mathematical constants P0631R8 10 11 19.25*
Text formatting P0645R10 14 (partial)* 19.29 (16.10)*
std::stop_token and std::jthread P0660R10 10 19.28 (16.9)*
constexpr std::allocator and related utilities P0784R7 10 12 19.29 (16.10)*
constexpr std::string P0980R1 12 19.29 (16.10)*
19.30**


constexpr std::vector P1004R2 12 19.29 (16.10)*
19.30**


Input range adaptors P1035R7 10 19.29 (16.10)*
constexpr std::invoke() and related utilities P1065R2 10 12 19.28 (16.8)*
Atomic waiting and notifying, std::counting_semaphore, std::latch and std::barrier P1135R6 11 11 19.28 (16.8)*
std::source_location P1208R6 11 19.29 (16.10)*
Adding <=> to the standard library P1614R2 10 14 19.29 (16.10)*
constexpr default constructor of std::atomic and std::atomic_flag P0883R2 10 13 19.26*
constexpr for numeric algorithms P1645R1 10 12 19.26*
Safe integral comparisons P0586R2 10 13 19.27*
C++20 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library

C++17 features

C++17 core language features

C++17 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++
(ex Portland Group/PGI)
Nvidia nvcc
New auto rules for direct-list-initialization N3922 5 3.8 19.0 (2015)* Yes 4.10.1 17.0 10.3 17.7 11.0
static_assert with no message N3928 6 2.5 19.10* Yes 4.12 18.0 10.3 17.7 11.0
typename in a template template parameter N4051 5 3.5 19.0 (2015)* Yes 4.10.1 17.0 10.3 17.7 Yes*
Removing trigraphs N4086 5 3.5 16.0* Yes 5.0 10.3 19.1 11.0
Nested namespace definition N4230 6 3.6 19.0 (Update 3)* Yes 4.12 17.0 10.3 17.7 11.0
Attributes for namespaces and enumerators N4266 4.9 (partial)*
6
3.6 19.0 (2015)* Yes 4.11 17.0 10.3 17.7 11.0
u8 character literals N4267 6 3.6 19.0 (2015)* Yes 4.11 17.0 10.3 17.7 11.0
Allow constant evaluation for all non-type template arguments N4268 6 3.6 19.12* Yes 5.0 19.0.1 10.3 19.1 11.0
Fold Expressions N4295 6 3.6 19.12* Yes 4.14 19.0 10.3 18.1 11.0
Unary fold expressions and empty parameter packs P0036R0 6 3.9 19.12* Yes 4.14 19.0 10.3 19.1 11.0
Remove Deprecated Use of the register Keyword P0001R1 7 3.8 19.11* Yes 4.13 18.0 10.3 17.7 11.0
Remove Deprecated operator++(bool) P0002R1 7 3.8 19.11* Yes 4.13 18.0 10.3 17.7 11.0
Make exception specifications part of the type system P0012R1 7 4 19.12* Yes 4.14 19.0 10.3 19.1 11.0
Aggregate initialization of classes with base classes P0017R1 7 3.9 19.14* Yes 5.0 19.0.1 10.3 19.1 11.0
__has_include in preprocessor conditionals P0061R1 5 Yes 19.11* Yes 4.13 18.0 10.3 17.7 11.0
DR: New specification for inheriting constructors (DR1941 et al) P0136R1 7 3.9 19.14* Yes 6.1 10.3 19.1 11.0
Lambda capture of *this P0018R3 7 3.9 19.11* Yes 4.14 19.0 10.3 18.1 11.0
Direct-list-initialization of enumerations P0138R2 7 3.9 19.11* Yes 4.14 18.0 10.3 19.1 11.0
constexpr lambda expressions P0170R1 7 5 19.11* Yes 4.14 19.0 10.3 18.1 11.0
Differing begin and end types in range-based for P0184R0 6 3.9 19.10* Yes 4.12 18.0 10.3 17.7 11.0
[[fallthrough]] attribute P0188R1 7 3.9 19.10* Yes 4.13 18.0 10.3 17.7 11.0
[[nodiscard]] attribute P0189R1 7 3.9 19.11* Yes 4.13 18.0 10.3 17.7 11.0
[[maybe_unused]] attribute P0212R1 7 3.9 19.11* Yes 4.13 18.0 10.3 17.7 11.0
Hexadecimal floating-point literals P0245R1 3.0 Yes 19.11* Yes 4.13 18.0 10.3 17.7 11.0
Using attribute namespaces without repetition P0028R4 7 3.9 19.11* Yes 4.13 18.0 10.3 17.7 11.0
Dynamic memory allocation for over-aligned data P0035R4 7 4 19.12*

10.0.0*

4.14 19.0 10.3 19.1 11.0
Class template argument deduction P0091R3 7 5 19.14* Yes 5.0 19.0.1 10.3 19.1 11.0
Non-type template parameters with auto type P0127R2 7 4 19.14* Yes 5.0 19.0.1 10.3 19.1 11.0
Guaranteed copy elision P0135R1 7 4 19.13* Yes 5.0 19.0.1 10.3 19.1 11.0
Replacement of class objects containing reference members P0137R1 7 6 19.14* Yes 5.0 10.3 19.1 11.0
Stricter expression evaluation order P0145R3 7 4 19.14* Yes 5.0 19.0.1 10.3 19.1 11.0
Structured Bindings P0217R3 7 4 19.11* Yes 4.14 19.0 10.3 18.1 11.0*
Ignore unknown attributes P0283R2 Yes 3.9 19.11* Yes 4.13 18.0 10.3 17.7 11.0
constexpr if statements P0292R2 7 3.9 19.11* Yes 4.14 19.0 10.3 18.1 11.0
init-statements for if and switch P0305R1 7 3.9 19.11* Yes 4.14 18.0 10.3 18.1 11.0
Inline variables P0386R2 7 3.9 19.12* Yes 4.14 19.0 10.3 18.1 11.0
Removing dynamic exception specifications P0003R5 7 4 19.10* Yes 4.14 19.0 10.3 19.1 11.0
Pack expansions in using-declarations P0195R2 7 4 19.14* Yes 5.0 19.0 10.3 19.1 11.0
DR: Matching of template template-arguments excludes compatible templates P0522R0 7 4 19.12* Yes 5.0 19.0.1 10.3 19.1 11.0
C++17 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++
Nvidia nvcc

C++17 library features

C++17 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang
Intel Parallel STL
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library
std::void_t N3911 6 3.6 19.0 (2015)* Yes N/A 10.3
std::uncaught_exceptions() N4259 6 3.7 19.0 (2015)* Yes N/A 10.3
std::size(), std::empty() and std::data() N4280 6 3.6 19.0 (2015)* Yes N/A 10.3
Improving std::pair and std::tuple N4387 6 4 19.0 (Update 2)* Yes N/A 10.3
std::bool_constant N4389 6 3.7 19.0 (2015)* Yes N/A 10.3
std::shared_mutex (untimed) N4508 6 3.7 19.0 (Update 2)* Yes N/A 10.3
Type traits variable templates P0006R0 7 3.8 19.0 (Update 2)* Yes N/A 10.3
Logical operator type traits P0013R1 6 3.8 19.0 (Update 2)* Yes N/A 10.3
Standardization of Parallelism TS P0024R2 9* 19.14* 18.0*
std::clamp() P0025R0 7 3.9 19.0 (Update 3)*

10.0.0*

N/A 10.3
Hardware interference size P0154R1 12 19.11* N/A 10.3
(nothrow-)swappable traits P0185R1 7 3.9 19.0 (Update 3)*

10.0.0*

N/A 10.3
File system library P0218R1 8 7 19.14*

11.0.0*

N/A 10.3
std::string_view N3921
P0220R1
7 4 19.10*

10.0.0*

N/A 10.3
std::any P0220R1 7 4 19.10*

10.0.0*

N/A 10.3
std::optional P0220R1 7 4 19.10*

10.0.0*

N/A 10.3
Polymorphic memory resources P0220R1 9 19.13* N/A 10.3
Mathematical special functions P0226R1 7 19.14* N/A 10.3
C++17 should refer to C11 instead of C99 P0063R3 9 7 19.0 (2015)*
(partial)*

10.0.0*

N/A
Splicing Maps and Sets P0083R3 7 8 19.12*

10.0.0*

N/A
std::variant P0088R3 7 4 19.10*

10.0.0*

N/A 10.3
std::make_from_tuple() P0209R2 7 3.9 19.10* Yes N/A 10.3
std::has_unique_object_representations P0258R2 7 6 19.11* Yes N/A 10.3
std::gcd() and std::lcm() P0295R0 7 4 19.11* Yes N/A 10.3
std::not_fn P0005R4
P0358R1
7 3.9 19.12* Yes N/A 10.3
Elementary string conversions, including FP (Floating-Point) values support P0067R5 8 (no FP)
11
7 (no FP) 19.14* (no FP)*
19.24*

10.0.0* (no FP)

N/A 10.3 (no FP from_chars)
std::shared_ptr and std::weak_ptr with array support P0414R2 7 11 19.12*

12.0.0*

N/A 10.3
std::scoped_lock P0156R2 7 5 19.11* Yes N/A 10.3
std::byte P0298R3 7 5 19.11* Yes N/A 10.3
std::is_aggregate LWG2911 7 5 19.15* Yes N/A 10.3
C++17 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang
Intel Parallel STL
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library

Notes:

  • As of 2020-11-20, the latest release of Oracle Developer Studio is 12.6. Its documentation does not mention C++17.

C++14 features

C++14 core language features

C++14 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++
(ex Portland Group/PGI)
Nvidia nvcc
Tweaked wording for contextual conversions N3323 4.9 3.4 18.0* Yes 4.9 16.0 13.1.2* 5.15 10.3 8.6 16.1 9.0
Binary literals N3472 4.3 (GNU)
4.9
2.9 19.0 (2015)* Yes 4.10 11.0 13.1.2* 5.14 10.3 8.6 2015 9.0
decltype(auto), Return type deduction for normal functions N3638 4.8 (partial)*
4.9
3.3 (partial)*
3.4
19.0 (2015)* Yes 4.9 15.0 13.1.2* 5.15 10.3 8.6 16.1 9.0
Initialized/Generalized lambda captures (init-capture) N3648 4.5 (partial)
4.9
3.4 19.0 (2015)* Yes 4.10 15.0 16.1.1* 5.15 10.3 8.6 16.1 9.0
Generic lambda expressions N3649 4.9 3.4 19.0 (2015)* Yes 4.10 16.0 13.1.2* 5.15 10.3 8.6 16.1 9.0
Variable templates N3651 5 3.4 19.0 (Update 2)* Yes 4.11 17.0 13.1.2* 5.15 10.3 8.6 17.4 9.0
Extended constexpr N3652 5 3.4 19.10* Yes 4.11 17.0 13.1.2* 5.15 10.3 8.6 17.4 9.0
Aggregates with member initializers (NSDMI) N3653 5 3.3 19.10* Yes 4.9 16.0 16.1.1* 5.14 10.3 8.6 16.1 9.0
Omitting/extending memory allocations N3664 N/A 3.4 N/A Yes N/A N/A N/A N/A 10.3 8.6 17.4 N/A
[[deprecated]] attribute N3760 4.9 3.4 19.0 (2015)* Yes 4.9 15.0*
16.0
13.1.2* 5.14 10.3 8.6 16.1 9.0
Sized deallocation N3778 5 3.4 19.0 (2015)* Yes 4.10.1 17.0 16.1.1* 5.14 10.3 8.6 16.1
Single quote as digit separator N3781 4.9 3.4 19.0 (2015)* Yes 4.10 16.0 13.1.2* 5.14 10.3 8.6 2015 9.0
C++14 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++
Nvidia nvcc

C++14 library features

C++14 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library
constexpr for <complex> N3302 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
Transparent operator functors N3421 4.9 3.4 18.0* Yes 5.15 10.3 8.6
std::result_of and SFINAE N3462 5 Yes 19.0 (Update 2)* Yes 5.15 10.3 8.6
constexpr for <chrono> N3469 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
constexpr for <array> N3470 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
constexpr for <initializer_list>, <utility> and <tuple> N3471 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
Improved std::integral_constant N3545 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
User-defined literals for <chrono> and <string> N3642 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
Null forward iterators N3644 5 (partial)
10
3.4 19.0 (2015)* Yes 5.15 10.3 8.6
std::quoted N3654 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
std::make_unique N3656 4.9 3.4 18.0* Yes 5.15 10.3 8.6
Heterogeneous associative lookup N3657 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
std::integer_sequence N3658 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
std::shared_timed_mutex N3659 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
std::exchange N3668 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
fixing constexpr member functions without const N3669 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
std::get<T>() N3670 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
Dual-Range std::equal, std::is_permutation, std::mismatch N3671 5 3.4 19.0 (2015)* Yes 5.15 10.3 8.6
C++14 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library

C++11 features

C++11 core language features

C++11 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++
(ex Portland Group/PGI)
Nvidia nvcc
HP aCC
Digital Mars C++
C99 preprocessor N1653 4.3 Yes 19.0 (2015)* (partial)*
19.26*
Yes 4.1 11.1 10.1 5.9 Yes 8.4 2015 7.0 A.06.25 Yes
static_assert N1720 4.3 2.9 16.0* Yes 4.1 11.0 11.1 5.13 Yes 8.4 2015 7.0 A.06.25 8.52
Right angle brackets N1757 4.3 Yes 14.0* Yes 4.1 11.0 12.1 5.13 Yes 8.4 2015 7.0
Extended friend declarations N1791 4.7 2.9 16.0* (partial)
18.0*
Yes 4.1 11.1*
12.0
11.1 5.13 Yes 8.4 2015 7.0 A.06.25
long long N1811 Yes Yes 14.0* Yes Yes Yes Yes Yes Yes 8.4 2015 7.0 Yes Yes
Compiler support for type traits N1836
N2518*
N2984
N3142
4.3*
4.8*
5
3.0 14.0*
(partial)*
19.0 (2015)*
Yes 4.0 10.0 13.1.3 5.13 Yes 8.4 2015 6.16
auto N1984 4.4 Yes 16.0* Yes 3.9 11.0 (v0.9)
12.0
11.1 5.13 Yes 8.4 2015 7.0 A.06.25
Delegating constructors N1986 4.7 3.0 18.0* Yes 4.7 14.0 11.1 5.13 Yes 8.4 2015 7.0 A.06.28
extern template N1987 3.3 Yes 12.0* Yes 3.9 9.0 11.1 5.13 Yes 8.4 2015 7.0 A.06.25
constexpr N2235 4.6 3.1 19.0 (2015)* Yes 4.6 13.0*
14.0
12.1*
13.1
5.13 Yes 8.4 2015 7.0 A.06.28
Template aliases N2258 4.7 3.0 18.0* Yes 4.2 12.1 13.1.1* 5.13 Yes 8.4 2015 7.0 A.06.27
char16_t and char32_t N2249 4.4 2.9 19.0 (2015)* Yes 4.4 12.1*
14.0
13.1.1* 5.13 Yes 8.4 2015 7.0 A.06.27 8.52
alignas N2341 4.8 3.0 19.0 (2015)* Yes 4.8 15.0 13.1.2* 5.13 Yes 8.6 2015 7.0
alignof N2341 4.5 2.9 19.0 (2015)* Yes 4.8 15.0 13.1.2* 5.13 Yes 8.4 2015 7.0
Defaulted and deleted functions N2346 4.4 3.0 18.0* Yes 4.1 12.0 13.1 5.13 Yes 8.4 2015 7.0 A.06.25
Strongly-typed enum N2347 4.4 2.9 17.0* Yes 4.0 13.0 12.1 5.13 Yes 8.4 2015 7.0 A.06.25
Atomic operations N2427 4.4 3.1 17.0* Yes Yes 13.0 13.1.2* 5.14 Yes 8.4 2015
nullptr N2431 4.6 2.9 16.0* Yes 4.2 12.1 13.1 5.13 Yes 8.4 2015 7.0 A.06.27 8.52
Explicit conversion operators N2437 4.5 3.0 18.0* Yes 4.4 13.0 12.1 5.13 Yes 8.4 2015 7.0 A.06.27
ref-qualifiers N2439 4.8.1 2.9 19.0 (2015)* Yes 4.7 14.0 13.1.2* 5.13 Yes 8.4 2015 7.0 A.06.28
Unicode string literals N2442 4.4 3.0 19.0 (2015)* Yes 4.7 11.0* 10.1*
13.1.1*
5.7 Yes 8.4 2015 7.0 A.06.28 8.52
Raw string literals N2442 4.5 Yes 18.0* Yes 4.7 14.0 13.1.1*, except AIX xlC 13.1.3 5.13 Yes 8.4 2015 7.0 A.06.28 8.52
Inline namespaces N2535 4.4 2.9 19.0 (2015)* Yes 4.5 14.0 11.1 5.13 Yes 8.4 2015 7.0 A.06.28
Inheriting constructors N2540 4.8 3.3 19.0 (2015)* Yes 4.8 15.0 13.1.1* 5.13 Yes 8.4 2015 7.0
Trailing function return types N2541 4.4 2.9 16.0* Yes 4.1 12.0 12.1 5.13 Yes 8.4 2015 7.0 A.06.27
Unrestricted unions N2544 4.6 3.0 19.0 (2015)* Yes 4.6 14.0* 13.1.2* 5.13 Yes 8.4 2015 7.0 A.06.28
Variadic templates N2242
N2555
4.3 (N2242)
4.4
2.9 18.0* Yes 4.3 (N2242)
4.3
12.1 11.1 (N2242) 5.13 Yes 8.4 2015 7.0 A.06.27
Expression SFINAE N2634 4.4 2.9 19.14* Yes 4.2 12.1 Yes 8.4 2015 7.0
Local and unnamed types as template parameters N2657 4.5 2.9 16.0* Yes 4.2 12.0 13.1.2* 5.13 Yes 8.4 2015 7.0 A.06.27
Thread-local storage N2659 4.4 (partial)
4.8
3.3* 16.0* (partial)
19.0 (2015)*
Yes 4.8 11.1 (partial)
15.0*
10.1 (partial)*
13.1.2 (partial)*
5.9 (partial) Yes 8.4 2015 8.52 (partial)
Dynamic initialization and destruction with concurrency (magic statics) N2660 4.3 2.9 19.0 (2015)* Yes Yes 11.1* 13.1.2* 5.13 Yes 8.4 2015 A.06.25
Garbage Collection and Reachability-Based Leak Detection N2670
Initializer lists N2672 4.4 3.1 18.0* Yes 4.5 13.0 (partial)
14.0
13.1.2* 5.13 Yes 8.4 2015 7.0 A.06.28
Non-static data member initializers N2756 4.7 3.0 18.0* Yes 4.6 14.0 13.1.2* 5.13 Yes 8.4 2015 7.0 A.06.28
Attributes N2761 4.8 3.3 19.0 (2015)* Yes 4.2 12.1 13.1.1* 5.13 Yes 8.4 2015 7.0 A.06.27
Forward (opaque) enum declarations N2764 4.6 3.1 17.0* Yes 4.5 11.1 (partial)
14.0
12.1 5.13 Yes 8.4 2015 7.0
User-defined literals N2765 4.7 3.1 19.0 (2015)* Yes 4.8 15.0 13.1.2* 5.14 Yes 8.4 2015 7.0
Rvalue references N2118
N2844
CWG1138
4.3 (N2118)
4.5
2.9 16.0* (N2844)
17.0*
Yes 4.5 11.1 (N2118)
12.0 (N2844)
14.0
12.1 5.13 Yes 8.4 2015 7.0* A.06.25
Lambda expressions N2550
N2658
N2927
4.5 3.1 16.0* (N2658)
17.0*
Yes 4.1 12.0 13.1.2* 5.13 Yes 8.4 2015 7.0 A.06.25
Range-for loop N2930
N3271
4.6 3.0 17.0* Yes 4.5 13.0 13.1.2* 5.13 Yes 8.4 2015 7.0 A.06.28
noexcept N3050 4.6 3.0 19.0 (2015)* Yes 4.5 14.0 13.1.1* 5.13 Yes 8.4 2015 7.0 A.06.28
Defaulted move special member functions N3053 4.6 3.0 19.0 (2015)* Yes 4.5 14.0 5.13 Yes 8.4 2015 7.0 A.06.25
override and final N2928
N3206
N3272
4.7 2.9 14.0* (partial)
17.0*
Yes 4.8 12.0 (N2928)
14.0
13.1.1* 5.13 Yes 8.4 2015 7.0
decltype N2343
N3276
4.3 (N2343)
4.8.1
2.9 16.0* Yes 4.2 (N2343)
4.8
11.0 (N2343)
12.0
11.1 (N2343) 5.13 Yes 8.4 2015 7.0 A.06.25 8.52 (N2343)
C++11 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++
Nvidia nvcc
HP aCC
Digital Mars C++

C++11 library features

C++11 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library
Type traits N1836
N2240
N2244
N2255
N2342
N2984
N3142
4.3*
4.8*
5
3.0 14.0*
(partial)*
19.0 (2015)*
Yes 5.13 Yes 8.4
Garbage Collection and Reachability-Based Leak Detection (library support) N2670 6
(no-op)
3.4
(no-op)
19.0 (2015)*
(no-op)
Yes
(no-op)
Money, Time, and hexfloat I/O manipulators N2071
N2072
5 3.8 19.0 (2015)* Yes 5.15
Disallowing COW (copy-on-write) string N2668 5 Yes Yes Yes Yes
C++11 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library

* - hover over the version number to see notes

References

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