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Issues: microsoft/STL

Q2 2025 priorities
#4560 opened Apr 3, 2024 by StephanTLavavej
Open 24
Maintainer priorities
#4700 opened May 28, 2024 by StephanTLavavej
Open
Report EDG bugs
#1621 opened Feb 4, 2021 by StephanTLavavej
Open 20
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515 Open 1,749 Closed
515 Open 1,749 Closed
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Issues list

<concepts>: std::swap for arrays uses memcpy
#5481 opened May 8, 2025 by AlexGuteniev
3
Use Clang's __is_trivially_equality_comparable intrinsic to optimize more cases in vector algorithms
#5479 opened May 8, 2025 by AlexGuteniev
<algorithm>: use _Verify_ranges_do_not_overlap function in more places enhancement Something can be improved
#5472 opened May 5, 2025 by AlexGuteniev
<xlocnum>: num_get::do_get for bool stores true in the result when the input has bad grouping, even if the input is zero bug Something isn't working
#5470 opened May 4, 2025 by cpplearner
1
<regex>: Improve matcher's skip optimization performance Must go faster regex meow is a substring of homeowner
#5468 opened May 3, 2025 by muellerj2
<algorithm>: Audit divergence of difference types between wrapped and unwrapped iterators and correct the uses bug Something isn't working
#5466 opened May 2, 2025 by frederick-vs-ja
<filesystem>: directory_entry{} should throw std::errc::filename_too_long if the filename is longer than the limit bug Something isn't working filesystem C++17 filesystem
#5463 opened May 2, 2025 by paulharris
<yvals_core.h>: Update _MSVC_STL_UPDATE to May 2025 and update _MSVC_STL_VERSION to 145 enhancement Something can be improved good first issue Good for newcomers
#5461 opened May 2, 2025 by StephanTLavavej
2
<thread>: std::thread::hardware_concurrency limited to 64, even on Windows 11 bug Something isn't working
#5453 opened May 1, 2025 by JoostHouben
1
5
<regex>: Nonlinear slowdown with increasing string length performance Must go faster regex meow is a substring of homeowner
#5452 opened Apr 30, 2025 by StephanTLavavej
1
3
<xmemory>: Should we modernize _GET_PROXY_ALLOCATOR (and its usages)? enhancement Something can be improved
#5448 opened Apr 29, 2025 by frederick-vs-ja
1
1
<memory>: noexcept strengthen out_ptr factory as well decision needed We need to choose something before working on this enhancement Something can be improved
#5446 opened Apr 28, 2025 by jdoubleu
4
<bit>: Should we query for SSE4.2 instead of AVX for popcnt instruction? enhancement Something can be improved
#5441 opened Apr 26, 2025 by AlexGuteniev
2
<regex>: Equivalence classes have unexpected behavior with std::wregex bug Something isn't working regex meow is a substring of homeowner
#5435 opened Apr 25, 2025 by StephanTLavavej
1
3
<stacktrace>: Should we reduce allocations in operator<< and formatter? question Further information is requested
#5423 opened Apr 22, 2025 by frederick-vs-ja
4
<algorithm>, <xutility>: vector algorithms may break integer class type difference iterators bug Something isn't working
#5421 opened Apr 19, 2025 by AlexGuteniev
1
vector_algorithms.cpp: split into multiple translation units or otherwise enhance file navigation? question Further information is requested
#5418 opened Apr 19, 2025 by AlexGuteniev
1
7
<cassert>: assert's _wassert is shadowable UCRT Related to the Universal CRT
#5408 opened Apr 15, 2025 by Veeloxfire
2
<locale>: Facets have wrong type for named locales bug Something isn't working
#5394 opened Apr 6, 2025 by muellerj2
<regex>: What names can and should regex_traits::lookup_collatename() recognize? decision needed We need to choose something before working on this question Further information is requested regex meow is a substring of homeowner
#5393 opened Apr 6, 2025 by muellerj2
<regex>: Character ranges with collating symbol bounds are rejected bug Something isn't working regex meow is a substring of homeowner
#5391 opened Apr 5, 2025 by muellerj2
<bit>: Investigate Clang's new intrinsics for bit operations performance Must go faster
#5386 opened Apr 1, 2025 by frederick-vs-ja
<regex>: Backslashes in character classes are sometimes not matched in basic regular expressions bug Something isn't working regex meow is a substring of homeowner
#5379 opened Mar 29, 2025 by muellerj2
<memory>: Potential ABI issue on constexpr-compatibility of (in)out_ptr_t bug Something isn't working
#5368 opened Mar 27, 2025 by frederick-vs-ja
<regex>: Implementation divergence for capture group behavior bug Something isn't working regex meow is a substring of homeowner
#5365 opened Mar 26, 2025 by StephanTLavavej
1
3
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