Issues

• Size-based representation for std::vector

  performancevNext
  microsoft/STL#6421 · Filter by author phuclv90 opened on Aug 29, 2026
  1

• : basic_stringbuf C++20 constructors call _Getal()/_Release_to_buffer() breaks user specializations of basic_string

  bugvNext
  microsoft/STL#6374 · Filter by author d-marc opened on Jul 22, 2026
  4

• : Remove nodes for capturing group 0 from the NFA

  performanceregexvNext
  microsoft/STL#6025 · Filter by author muellerj2 opened on Jan 18, 2026
  1

• : throughput

  throughputvNext
  microsoft/STL#5813 · Filter by author AlexGuteniev opened on Oct 26, 2025
  5

• : Is extending triviality for pair and tuple on the list of improvements for vNext?

  performancevNext
  microsoft/STL#5667 · Filter by author cristi1990an opened on Aug 5, 2025
  2

• : std::array calls constructors and destructors of T

  bugvNext
  microsoft/STL#5583 · Filter by author eisenwave opened on Jun 13, 2025
  7

• : reconsider atomic wait on shared_ptr

  enhancementvNext
  microsoft/STL#5356 · Filter by author AlexGuteniev opened on Mar 24, 2025

• Reconsider vector underlying type

  performancevNext
  microsoft/STL#5348 · Filter by author AlexGuteniev opened on Mar 20, 2025
  8

• : regex_traits<_Elem> uses an inadmissible value of type char_class_type to represent character class "w"

  bugregexvNext
  microsoft/STL#5242 · Filter by author muellerj2 opened on Jan 17, 2025
  1

• : Implement size optimization for mersenne_twister_engine

  performancevNext
  microsoft/STL#5198 · Filter by author StephanTLavavej opened on Dec 18, 2024

• : istreambuf_iterator violates [res.on.data.races]

  bugvNext
  microsoft/STL#5066 · Filter by author CaseyCarter opened on Nov 6, 2024
  8

• Add method to check which runtime library is loaded

  enhancementvNext
  microsoft/STL#5047 · Filter by author ThadHouse opened on Oct 27, 2024
  9

• : Divorce packaged_task from function

  bugvNext
  microsoft/STL#5009 · Filter by author frederick-vs-ja opened on Oct 12, 2024

• Pick a different backing random number engine for default_random_engine

  vNext
  microsoft/STL#4257 · Filter by author horenmar opened on Dec 12, 2023
  5

• Make associative containers nothrow movable

  vNext
  microsoft/STL#4209 · Filter by author Thomas1664 opened on Nov 17, 2023
  1

• Consider making valarray representation two pointers instead of pointer and size

  performancevNext
  microsoft/STL#3976 · Filter by author AlexGuteniev opened on Aug 17, 2023
  2

• : null_memory_resource shouldn't have extern "C" linkage

  bugvNext
  microsoft/STL#3752 · Filter by author frederick-vs-ja opened on Jun 7, 2023
  3

• xvalues.cpp: Remove unused non-constant "constants" in vNext

  enhancementvNext
  microsoft/STL#3622 · Filter by author AlexGuteniev opened on Apr 4, 2023
  3

• : promise::set_value_at_thread_exit sets the value too early

  bugvNext
  microsoft/STL#3614 · Filter by author fsb4000 opened on Apr 1, 2023
  4

• Investigate ppltasks dependency for vNext

  vNext
  microsoft/STL#3606 · Filter by author StephanTLavavej opened on Mar 31, 2023
  2

• : iterator and sentinel of iota_view should be ADL-proof

  bugrangesvNext
  microsoft/STL#3552 · Filter by author frederick-vs-ja opened on Mar 9, 2023
  2

• , : Many member functions of basic_ios are provided in ios_base

  bugvNext
  microsoft/STL#3343 · Filter by author frederick-vs-ja opened on Jan 12, 2023
  1

• : basic_ios::set_rdbuf is supposed to be protected

  bugvNext
  microsoft/STL#2829 · Filter by author heilkn opened on Jun 28, 2022
  3

• , : Optimize representation

  performancevNext
  microsoft/STL#2721 · Filter by author AlexGuteniev opened on May 13, 2022

• : Consider supporting promise and future

  bugvNext
  microsoft/STL#2599 · Filter by author StephanTLavavej opened on Mar 1, 2022
  2