Issues

base_macros.h disables warnings without push/pop, leaking them into consumer translation units
microsoft/cppwinrt#1624 · opened on Sep 1, 2026
Bug: headers cannot be compiled at high warning levels (MSVC /Wall, clang)
microsoft/cppwinrt#1620 · opened on Sep 1, 2026
1
Bug: should_originate_on_cancel does not cancel certain awaiters or duplicated actions.
microsoft/cppwinrt#1617 · opened on Aug 14, 2026
Bug: Spurious IntelliSense errors with C++20 Modules
microsoft/cppwinrt#1610 · opened on Jul 23, 2026
3
Feature request: add an all-in-one module interface file declaring export winrt; that export imports everything else
microsoft/cppwinrt#1604 · opened on Jun 30, 2026
2
Bug: Why CppWinRTModuleInclude not auto include the dependencies of include modules
microsoft/cppwinrt#1602 · opened on Jun 27, 2026
1
Bug: Incremental build with C++/WinRT 3.0 modules loses CppWinRTPlatformWinMDReferences, causing Windows.Foundation.Point could not be found
microsoft/cppwinrt#1587 · opened on May 27, 2026
3
Approaches to reducing what is exported from modules
microsoft/cppwinrt#1581 · opened on May 22, 2026
3
Bug: Undefined behavior in param::hstring(std::wstring_view
microsoft/cppwinrt#1569 · opened on Apr 16, 2026
4
Bug: GCC warns about breaking strict-aliasing rules for 32-bit builds
microsoft/cppwinrt#1568 · opened on Apr 15, 2026
2
Feature Request: When the app sets a custom winrt_activation_handler, please provide an easy way to call the default cppwinrt "get activation handler" logic
microsoft/cppwinrt#1567 · opened on Apr 14, 2026
4
Bug: Cannot winrt::box_value a wchar_t
microsoft/cppwinrt#1566 · opened on Apr 13, 2026
8
Bug: CppWinRTCopyWinMDToOutputDirectory: Outputs mismatch when merged WinMD name differs from RootNamespace
microsoft/cppwinrt#1554 · opened on Mar 23, 2026
2
Bug: There is a data race in the test_old test
microsoft/cppwinrt#1540 · opened on Feb 22, 2026
6