CORE FEATURES
-------------------------------------------------------------------------------
2016-03 = 2016-03 __cpp_aggregate_bases
2013-04 = 2013-04 __cpp_aggregate_nsdmi
------- < 2019-02 __cpp_aggregate_paren_init
2007-04 = 2007-04 __cpp_alias_templates
2016-06 = 2016-06 __cpp_aligned_new
2008-09 = 2008-09 __cpp_attributes
2013-04 = 2013-04 __cpp_binary_literals
2016-03 = 2016-03 __cpp_capture_star_this
2018-11 < 2022-07 __cpp_char8_t
2019-07 < 2020-02 __cpp_concepts
2018-06 = 2018-06 __cpp_conditional_explicit
------- < 2022-11 __cpp_consteval
2019-07 < 2020-02 __cpp_constexpr
2019-07 = 2019-07 __cpp_constexpr_dynamic_alloc
------- < 2017-11 __cpp_constexpr_in_decltype
2019-07 = 2019-07 __cpp_constinit
2007-07 = 2007-07 __cpp_decltype
2013-04 = 2013-04 __cpp_decltype_auto
2017-03 < 2019-07 __cpp_deduction_guides
2006-04 = 2006-04 __cpp_delegating_constructors
2017-07 = 2017-07 __cpp_designated_initializers
2014-11 = 2014-11 __cpp_enumerator_attributes
2016-03 = 2016-03 __cpp_fold_expressions
2017-07 = 2017-07 __cpp_generic_lambdas
2016-06 = 2016-06 __cpp_guaranteed_copy_elision
2016-03 = 2016-03 __cpp_hex_float
2016-06 = 2016-06 __cpp_if_constexpr
2019-02 = 2019-02 __cpp_impl_coroutine
2018-06 = 2018-06 __cpp_impl_destroying_delete
2019-07 = 2019-07 __cpp_impl_three_way_comparison
2015-11 = 2015-11 __cpp_inheriting_constructors
2018-03 = 2018-03 __cpp_init_captures
2008-06 = 2008-06 __cpp_initializer_lists
2016-06 = 2016-06 __cpp_inline_variables
2009-07 = 2009-07 __cpp_lambdas
------- < 2019-07 __cpp_modules
2014-11 = 2014-11 __cpp_namespace_attributes
2015-10 = 2015-10 __cpp_noexcept_function_type
2014-11 < 2019-11 __cpp_nontype_template_args
2016-06 = 2016-06 __cpp_nontype_template_parameter_auto
2008-09 = 2008-09 __cpp_nsdmi
2016-03 = 2016-03 __cpp_range_based_for
2007-10 = 2007-10 __cpp_raw_strings
2007-10 = 2007-10 __cpp_ref_qualifiers
2013-04 = 2013-04 __cpp_return_type_deduction
2006-10 = 2006-10 __cpp_rvalue_references
------- < 2013-09 __cpp_sized_deallocation
2014-11 = 2014-11 __cpp_static_assert
2016-06 = 2016-06 __cpp_structured_bindings
------- < 2016-11 __cpp_template_template_args
2008-06 = 2008-06 __cpp_threadsafe_static_init
2007-04 = 2007-04 __cpp_unicode_characters
2007-10 = 2007-10 __cpp_unicode_literals
2008-09 = 2008-09 __cpp_user_defined_literals
2019-07 = 2019-07 __cpp_using_enum
2013-04 = 2013-04 __cpp_variable_templates
2007-04 = 2007-04 __cpp_variadic_templates
2016-11 = 2016-11 __cpp_variadic_using


LIB FEATURES
-------------------------------------------------------------------------------
2018-11 = 2018-11 __cpp_lib_array_constexpr
2018-11 = 2018-11 __cpp_lib_assume_aligned
2019-07 = 2019-07 __cpp_lib_atomic_flag_test
------- < 2017-11 __cpp_lib_atomic_float
------- < 2019-07 __cpp_lib_atomic_lock_free_type_aliases
------- < 2018-06 __cpp_lib_atomic_ref
------- < 2017-11 __cpp_lib_atomic_shared_ptr
2019-11 = 2019-11 __cpp_lib_atomic_value_initialization
2019-07 = 2019-07 __cpp_lib_atomic_wait
2019-07 = 2019-07 __cpp_lib_barrier
2019-07 = 2019-07 __cpp_lib_bind_front
2018-06 = 2018-06 __cpp_lib_bit_cast
------- < 2019-07 __cpp_lib_bitops
2019-02 = 2019-02 __cpp_lib_bounded_array_traits
2019-07 = 2019-07 __cpp_lib_char8_t
2016-11 < 2019-07 __cpp_lib_chrono
2013-04 = 2013-04 __cpp_lib_chrono_udls
2013-09 = 2013-09 __cpp_lib_complex_udls
2020-02 = 2020-02 __cpp_lib_concepts
2018-06 = 2018-06 __cpp_lib_constexpr_algorithms
------- < 2017-11 __cpp_lib_constexpr_complex
2019-07 = 2019-07 __cpp_lib_constexpr_dynamic_alloc
2019-07 = 2019-07 __cpp_lib_constexpr_functional
2018-11 = 2018-11 __cpp_lib_constexpr_iterator
2018-11 = 2018-11 __cpp_lib_constexpr_memory
2019-11 = 2019-11 __cpp_lib_constexpr_numeric
2019-07 = 2019-07 __cpp_lib_constexpr_string
2018-11 = 2018-11 __cpp_lib_constexpr_string_view
2018-11 = 2018-11 __cpp_lib_constexpr_tuple
2018-11 = 2018-11 __cpp_lib_constexpr_utility
------- < 2019-07 __cpp_lib_constexpr_vector
2019-02 = 2019-02 __cpp_lib_coroutine
2018-06 = 2018-06 __cpp_lib_destroying_delete
2019-07 = 2019-07 __cpp_lib_endian
2020-02 = 2020-02 __cpp_lib_erase_if
2013-04 = 2013-04 __cpp_lib_exchange_function
------- < 2019-02 __cpp_lib_execution
------- < 2021-10 __cpp_lib_format
2013-04 = 2013-04 __cpp_lib_generic_associative_lookup
2018-11 = 2018-11 __cpp_lib_generic_unordered_lookup
2020-02 = 2020-02 __cpp_lib_int_pow2
2020-02 = 2020-02 __cpp_lib_integer_comparison_functions
2013-04 = 2013-04 __cpp_lib_integer_sequence
2013-04 = 2013-04 __cpp_lib_integral_constant_callable
2019-02 = 2019-02 __cpp_lib_interpolate
2018-11 = 2018-11 __cpp_lib_is_constant_evaluated
2014-02 = 2014-02 __cpp_lib_is_final
------- < 2019-07 __cpp_lib_is_layout_compatible
2018-06 = 2018-06 __cpp_lib_is_nothrow_convertible
2013-09 = 2013-09 __cpp_lib_is_null_pointer
------- < 2019-07 __cpp_lib_is_pointer_interconvertible
------- < 2019-11 __cpp_lib_jthread
2019-07 = 2019-07 __cpp_lib_latch
2018-06 = 2018-06 __cpp_lib_list_remove_return_type
2014-02 = 2014-02 __cpp_lib_make_reverse_iterator
2013-04 = 2013-04 __cpp_lib_make_unique
2019-07 = 2019-07 __cpp_lib_math_constants
2013-04 = 2013-04 __cpp_lib_null_iterators
2016-06 < 2021-06 __cpp_lib_optional
------- < 2019-02 __cpp_lib_polymorphic_allocator
2013-04 = 2013-04 __cpp_lib_quoted_string_io
2018-11 < 2021-10 __cpp_lib_ranges
2017-11 = 2017-11 __cpp_lib_remove_cvref
2012-10 = 2012-10 __cpp_lib_result_of_sfinae
2013-04 = 2013-04 __cpp_lib_robust_nonmodifying_seq_ops
2019-07 = 2019-07 __cpp_lib_semaphore
2017-07 = 2017-07 __cpp_lib_shared_ptr_arrays
2014-02 = 2014-02 __cpp_lib_shared_timed_mutex
2018-06 = 2018-06 __cpp_lib_shift
------- < 2020-02 __cpp_lib_smart_ptr_for_overwrite
------- < 2019-07 __cpp_lib_source_location
2020-02 = 2020-02 __cpp_lib_span
2019-02 = 2019-02 __cpp_lib_ssize
2017-11 = 2017-11 __cpp_lib_starts_ends_with
2013-04 = 2013-04 __cpp_lib_string_udls
2018-03 = 2018-03 __cpp_lib_string_view
------- < 2018-03 __cpp_lib_syncbuf
------- < 2019-07 __cpp_lib_three_way_comparison
2017-11 = 2017-11 __cpp_lib_to_address
2019-07 = 2019-07 __cpp_lib_to_array
2013-04 = 2013-04 __cpp_lib_transformation_trait_aliases
2015-10 > 2012-10 __cpp_lib_transparent_operators
2014-02 = 2014-02 __cpp_lib_tuple_element_t
2013-04 = 2013-04 __cpp_lib_tuples_by_type
2018-06 = 2018-06 __cpp_lib_type_identity
2018-11 = 2018-11 __cpp_lib_unwrap_ref
2021-02 < 2021-06 __cpp_lib_variant


ATTRIBUTES (MSVC reports garbage here)
-------------------------------------------------------------------------------
------- < 2022-07 assume
------- < 2008-09 carries_dependency
2013-09 = 2013-09 deprecated
2016-03 = 2016-03 fallthrough
------- < 2024-03 indeterminate
2018-03 = 2018-03 likely
2016-03 = 2016-03 maybe_unused
2018-03 = 2018-03 no_unique_address
2019-07 = 2019-07 nodiscard
2008-09 = 2008-09 noreturn
2018-03 = 2018-03 unlikely