Issues

• Certificate on website in README.md is expired

  chriskohlhoff/asio#1774 · Filter by author joshmorgan1000 opened on Oct 2, 2026

• Windows IOCP: timer service can accumulate unbounded wake-up completion packets when io_context is created before run() starts

  chriskohlhoff/asio#1772 · Filter by author songqiang0521 opened on Sep 20, 2026

• Windows IOCP: async_accept completion fails with ERROR_INVALID_HANDLE when the peer socket is a beast::tcp_stream's underlying socket

  chriskohlhoff/asio#1771 · Filter by author LawrenceBarmes opened on Sep 17, 2026

• cancel_after, use_future and multithreading: encountering race condition, despite using an explicit strand

  chriskohlhoff/asio#1763 · Filter by author boimart1 opened on Aug 19, 2026

• ThreadSanitizer false positives from fence-based reference counting in detail::atomic_count (shared_target_executor teardown)

  chriskohlhoff/asio#1760 · Filter by author sketch34 opened on Jul 28, 2026

• Library not usable under ThreadSanitizer with clang < 5, gcc == 6

  chriskohlhoff/asio#1759 · Filter by author anarthal opened on Jul 27, 2026

• use-after-free when a nested any_completion_handler is destroyed without being invoked

  chriskohlhoff/asio#1758 · Filter by author biljazovic opened on Jul 24, 2026

• Data race detected by ThreadSanitizer when io_context::stop is called from another thread

  chriskohlhoff/asio#1757 · Filter by author eao197 opened on Jul 21, 2026

• ASIO_ENABLE_BUFFER_DEBUGGING dereferences invalidated iterator

  chriskohlhoff/asio#1751 · Filter by author arvidn opened on Jun 4, 2026

• zero-sized read caused a crash

  chriskohlhoff/asio#1747 · Filter by author sameer-here opened on May 26, 2026

• Regression: asio crash if mixed c++17 and c++20

  chriskohlhoff/asio#1745 · Filter by author dilshodm opened on May 20, 2026
  6

• Cirrus CI will shut down effective Monday, June 1, 2026.

  chriskohlhoff/asio#1743 · Filter by author xavier2k6 opened on May 4, 2026

• class "boost::asio::result_of<boost::asio::any_io_executor ()>" has no member "type"

  chriskohlhoff/asio#1741 · Filter by author marcosbento opened on May 1, 2026
  2

• asio::ip::address probably should be some form of union / tagged variant

  chriskohlhoff/asio#1740 · Filter by author Andersama opened on Apr 25, 2026

• Windows support without windows.h

  chriskohlhoff/asio#1738 · Filter by author MennoVink opened on Apr 14, 2026
  4

• Cleanup warnings with GCC/Clang (-Wconversion, -Wextra)

  chriskohlhoff/asio#1735 · Filter by author GaspardKirira opened on Apr 6, 2026

• Add default completion token for asio::deferred_async_operation

  chriskohlhoff/asio#1728 · Filter by author TCPLK opened on Mar 17, 2026
  1

• Should make_parallel_group(Ops...) be using rvalue references?

  chriskohlhoff/asio#1726 · Filter by author spchamp opened on Mar 12, 2026
  2

• C++11 example using deprecated <strstream> replace with <sstream>?

  chriskohlhoff/asio#1725 · Filter by author heitbaum opened on Mar 10, 2026
  2

• Add support for C++ module and import std;

  chriskohlhoff/asio#1722 · Filter by author ClausKlein opened on Mar 3, 2026

• asio::ip::tcp::resolver::async_resolve cannot be cancelled

  chriskohlhoff/asio#1721 · Filter by author username-nullptr opened on Mar 2, 2026
  1

• ip::tcp::socket::async_write_some hangs in coroutine when remote endpoint is closed

  chriskohlhoff/asio#1720 · Filter by author ffranzoni opened on Feb 27, 2026

• C++11 examples fail to build with Boost ≥1.89 and --enable-boost-coroutine

  chriskohlhoff/asio#1716 · Filter by author thunze opened on Feb 19, 2026

• awaitable_operators::operator&& doesn't foward thrown exception as expected

  chriskohlhoff/asio#1715 · Filter by author peper0 opened on Feb 19, 2026
  1

• Any tips on optimizing for poor connection speed?

  chriskohlhoff/asio#1714 · Filter by author a-soll opened on Feb 13, 2026
  2