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Latest release (1.48.0)

Documentation Source code Discuss in Slack GitHub Issues

What's new in 1.48.0

  • Asio: Major Executor & Reactor Overhaul

    New inline executor model, improved cancellation, expanded epoll configuration, and numerous correctness + performance fixes.

  • Container: Complete deque Rebuild

    A modern, faster, drastically smaller deque implementation that simplifies future optimizations and resolves multiple long-standing issues.

  • Redis: Major Redesign of Cancellation & Connection Behavior

    True per-operation cancellation, deprecated old mechanisms, smarter health checking, and guaranteed Valkey compatibility.

  • Math: Brand-New Reverse-Mode Automatic Differentiation Library

    Adds full AD capabilities to Boost.Math, enabling modern ML/scientific workflows directly within Boost.

  • Geometry: New is_valid for Polyhedral Surfaces + Performance Fixes

    A major algorithm addition, improved conversion support, and fixes to reduce compile times and avoid stack overflows.

Platform File SHA256 Hash
Unix
boost_1_48_0.tar.bz2
boost_1_48_0.tar.gz
Windows
boost_1_48_0.7z
boost_1_48_0.zip
Release notes version 1.48.0

Dependencies

There was 1 dependency added (in 1 library) and 16 dependencies removed (in 10 libraries) this release.

New Libraries

OpenMethod:

  • Open-(multi-)methods in C++17 and above, from Jean-Louis Leroy.

Updated Libraries

Asio

  • Added the execution::inline_exception_handling property to describe what exception handling guarantees are made when execution occurs inline.
  • Added inline_executor, which always executes the submitted function inline.
  • Changed the default candidate executor for associated_executor from system_executor to inline_executor.
  • Added the inline_or_executor<> adapter and inline_or() helper, which will execute inline if possible and otherwise delegate to another executor.
  • Added overloads of dispatch, post and defer that take a function object to be run on the target executor, and deliver the result to the completion handler.
  • Added the redirect_disposition completion token adapter, as a generic counterpart for redirect_error.
  • Annotated deprecated items with the [[deprecated]] attribute.
  • Added a new configuration parameter "reactor" / "reset_edge_on_partial_read", which determines whether a partial read consumes the edge when using epoll.
  • Added the missing preprocessor check for BOOST_ASIO_DISABLE_TIMERFD.
  • Implemented a compile-time feature detection mechanism for io_uring.

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