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Boost.OpenMethod 1.91.0 Release Notes #625

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PeterTurcan merged 1 commit into from
Apr 23, 2026
Merged

Boost.OpenMethod 1.91.0 Release Notes #625

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13 changes: 6 additions & 7 deletions release-notes/boost_1_91_0.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ boost_at:/doc/libs/1_91_0/[Documentation]
== New Libraries

// Example:
//
//
// * boost_phrase:library[Accumulators,/libs/accumulators]:
// ** Framework for incremental calculation, and collection of statistical
// accumulators, from Eric Niebler.
Expand All @@ -30,7 +30,7 @@ boost_at:/doc/libs/1_91_0/[Documentation]
== Updated Libraries

// Example:
//
//
// * boost_phrase:library[Interprocess,/libs/interprocess/]:
// ** Added anonymous shared memory for UNIX systems.
// ** Conform to `std::pointer_traits` requirements (boost_gh:pr[interprocess,32]).
Expand Down Expand Up @@ -136,8 +136,8 @@ however, by globally defining the macro `BOOST_MULTI_INDEX_ENABLE_MPL_SUPPORT`.
support for Boost.MPL may be eventually deprecated and removed in the future.
** *Breaking change:* `composite_key` and associated class templates
(`composite_key_equal_to`, `composite_key_compare`, `composite_key_hash`) have been made
variadic (previously the maximum number of template arguments was limited by
`BOOST_MULTI_INDEX_LIMIT_COMPOSITE_KEY_SIZE`). This change should be transparent to users,
variadic (previously the maximum number of template arguments was limited by
`BOOST_MULTI_INDEX_LIMIT_COMPOSITE_KEY_SIZE`). This change should be transparent to users,
with the exception that `composite_key::key_extractors` returns a `std::tuple` instead of
a `boost::tuple` (and similarly for the rest of affected class templates).
** Removed internal workarounds and fallbacks to support pre-C++11 compilers.
Expand All @@ -158,9 +158,8 @@ a `boost::tuple` (and similarly for the rest of affected class templates).
*** `state_machine` cannot be moved (https://github.com/boostorg/msm/issues/205[#205])
** **Breaking change (`backmp11`)**: Direct access to the event pool is changed from `public` to `protected`,
because manipulating it outside of the library code can lead to undefined behavior.



* boost_phrase:library[OpenMethod,/libs/openmethod/]:
** Inter-operation with `boost::intrusive_ptr`.
* boost_phrase:library[Optional,/libs/optional/]:
** For compilers with full C++11 support (including "unrestricted unions" and ref-qualifiers)
changed the implementation from aligned storage to union storage. This enables the gradual
Expand Down
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