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575a6852b9
* resorted to P0522R0-compliant BOOST_FLYWEIGHT_NOT_A_PLACEHOLDER_EXPRESSION for Clang>=19 * (debugging) output __clang_major__ when available * unconditionally use P0522R0-compliant BOOST_FLYWEIGHT_NOT_A_PLACEHOLDER_EXPRESSION * reverted * added clang++-19 job * (debugging) output BOOST_MPL_LIMIT_METAFUNCTION_ARITY * (debugging) #defined BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS * expanded length of BOOST_FLYWEIGHT_NOT_A_PLACEHOLDER_EXPRESSION * tried alternative mechanism (draft) * refined alternative mechanism * documented not_placeholder_expr.hpp machinery * updated release notes
281 lines
7.9 KiB
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281 lines
7.9 KiB
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0.1 Transitional//EN">
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<title>Boost.Flyweight Documentation - Release notes</title>
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<h1><img src="../../../boost.png" alt="Boost logo" align=
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"middle" width="277" height="86">Boost.Flyweight Release notes</h1>
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<div class="prev_link"><a href="future_work.html"><img src="prev.gif" alt="future work" border="0"><br>
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Future work
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</a></div>
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<div class="up_link"><a href="index.html"><img src="up.gif" alt="index" border="0"><br>
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Index
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<div class="next_link"><a href="acknowledgements.html"><img src="next.gif" alt="acknowledgements" border="0"><br>
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Acknowledgements
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</a></div><br clear="all" style="clear: all;">
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<br clear="all" style="clear: all;">
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<hr>
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<h2>Contents</h2>
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<ul>
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<li><a href="#boost_1_90">Boost 1.90 release</a></li>
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<li><a href="#boost_1_87">Boost 1.87 release</a></li>
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<li><a href="#boost_1_83">Boost 1.83 release</a></li>
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<li><a href="#boost_1_82">Boost 1.82 release</a></li>
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<li><a href="#boost_1_81">Boost 1.81 release</a></li>
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<li><a href="#boost_1_74">Boost 1.74 release</a></li>
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<li><a href="#boost_1_73">Boost 1.73 release</a></li>
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<li><a href="#boost_1_71">Boost 1.71 release</a></li>
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<li><a href="#boost_1_69">Boost 1.69 release</a></li>
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<li><a href="#boost_1_60">Boost 1.60 release</a></li>
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<li><a href="#boost_1_58">Boost 1.58 release</a></li>
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<li><a href="#boost_1_57">Boost 1.57 release</a></li>
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<li><a href="#boost_1_56">Boost 1.56 release</a></li>
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<li><a href="#boost_1_55">Boost 1.55 release</a></li>
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<li><a href="#boost_1_45">Boost 1.45 release</a></li>
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<li><a href="#boost_1_44">Boost 1.44 release</a></li>
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<li><a href="#boost_1_40">Boost 1.40 release</a></li>
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<li><a href="#boost_1_39">Boost 1.39 release</a></li>
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<li><a href="#boost_1_38">Boost 1.38 release</a></li>
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</ul>
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<h2><a name="boost_1_90">Boost 1.90 release</a></h2>
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<p>
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<ul>
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<li>Fixed compile errors in Clang 19 and later due to
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<a href="https://wg21.link/p0522r0">P0522R0</a> support.</li>
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</ul>
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</p>
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<h2><a name="boost_1_87">Boost 1.87 release</a></h2>
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<p>
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<ul>
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<li>Added <a href="tutorial/configuration.html#concurrent_factory"><code>concurrent_factory</code></a>,
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a factory based on a concurrent container from
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<a href="../../unordered/index.html">Boost.Unordered</a>
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that provides excellent performance in multithreaded scenarios.</li>
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<li>Marked as <code>noexcept</code> those <code>boost::flyweight</code>
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operations previously documented as not throwing
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(<a href="https://github.com/boostorg/flyweight/issues/15">issue #15</a>).</li>
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</ul>
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</p>
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<h2><a name="boost_1_83">Boost 1.83 release</a></h2>
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<p>
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<ul>
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<li>Added smart-pointer syntax to <code>boost::flyweight</code> (<code>operator*</code>
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and <code>operator-></code> dereferencing to the underlying value).</li>
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<li>Fixed a situation where the mutex used by
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<a href="reference/locking.html#simple_locking_synopsis"><code>simple_locking</code></a>
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was not recursive
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(<a href="https://github.com/boostorg/flyweight/issues/12">issue #12</a>).</li>
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</ul>
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</p>
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<h2><a name="boost_1_82">Boost 1.82 release</a></h2>
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<p>
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<ul>
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<li>Maintenance work.</li>
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</ul>
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</p>
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<h2><a name="boost_1_81">Boost 1.81 release</a></h2>
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<p>
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<ul>
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<li>Maintenance work.</li>
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</ul>
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</p>
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<h2><a name="boost_1_74">Boost 1.74 release</a></h2>
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<p>
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<ul>
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<li>Maintenance work.</li>
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</ul>
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</p>
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<h2><a name="boost_1_73">Boost 1.73 release</a></h2>
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<p>
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<ul>
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<li>Maintenance work.</li>
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</ul>
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</p>
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<h2><a name="boost_1_71">Boost 1.71 release</a></h2>
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<p>
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<ul>
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<li>Maintenance work.</li>
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</ul>
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</p>
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<h2><a name="boost_1_69">Boost 1.69 release</a></h2>
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<p>
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<ul>
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<li>Fixed some issues in GCC related to Boost.MPL placeholder expression handling.</li>
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<li>Maintenance fixes.</li>
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</ul>
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</p>
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<h2><a name="boost_1_60">Boost 1.60 release</a></h2>
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<p>
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<ul>
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<li>Maintenance fixes.</li>
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</ul>
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</p>
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<h2><a name="boost_1_58">Boost 1.58 release</a></h2>
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<p>
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<ul>
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<li>Added hash support both with <code>std::hash</code> and
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<a href="../../container_hash/index.html"><code>boost::hash</code></a>. This
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can be optionally <a href="reference/flyweight.html#disable_hash_support">disabled</a>
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to avoid clashes with legacy code where this support has already been defined by
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the user.
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</li>
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<li>Maintenance fixes.</li>
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</ul>
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</p>
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<h2><a name="boost_1_57">Boost 1.57 release</a></h2>
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<p>
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<ul>
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<li>Added serialization support via
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<a href="../../serialization/index.html">Boost Serialization</a>.
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</li>
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<li>
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<code>flyweight</code> default constructor was made <code>explicit</code> in
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Boost 1.56, which introduces a regression in some
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<a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#1518">initialization
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scenarios</a>. The former non-<code>explicit</code>
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default constructor has been restored
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(ticket <a href="https://svn.boost.org/trac/boost/ticket/10439">#10439</a>).
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</li>
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</ul>
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</p>
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<h2><a name="boost_1_56">Boost 1.56 release</a></h2>
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<p>
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<ul>
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<li>In compilers with variadic template support, <code>boost::flyweight<T></code> now provides
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a perfectly forwarding constructor to <code>T::T</code> (previously an emulation
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was used).</li>
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<li><code>flyweight</code> now replicates the initializer-list constructors and assignment
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operators of its underlying type.</li>
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<li>Fixed intermodule static initialization problem
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(ticket <a href="https://svn.boost.org/trac/boost/ticket/9553">#9553</a>).</li>
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<li>Maintenance fixes.</li>
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</ul>
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</p>
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<h2><a name="boost_1_55">Boost 1.55 release</a></h2>
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<p>
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<ul>
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<li>Maintenance fixes.</li>
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</ul>
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</p>
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<h2><a name="boost_1_45">Boost 1.45 release</a></h2>
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<p>
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<ul>
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<li>Fixed a hanging problem with
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<a href="tutorial/configuration.html#intermodule_holder"><code>intermodule_holder</code></a>
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in Win32 platforms related to a Boost.Interprocess issue described at
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ticket <a href="https://svn.boost.org/trac/boost/ticket/4606">#4606</a>.
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</li>
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<li>Removed an internal assertion incompatible with program termination
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via <code>std::exit</code>.
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</li>
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</ul>
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</p>
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<h2><a name="boost_1_44">Boost 1.44 release</a></h2>
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<p>
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<ul>
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<li>Fixed an incorrect mode of usage of Boost.Variant in
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<a href="examples.html#example3">one of the examples</a>.
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</li>
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</ul>
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</p>
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<h2><a name="boost_1_40">Boost 1.40 release</a></h2>
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<p>
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<ul>
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<li>Maintenance fixes.</li>
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</ul>
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</p>
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<h2><a name="boost_1_39">Boost 1.39 release</a></h2>
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<p>
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<ul>
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<li><a name="refcounted_bug">The <a href="tutorial/configuration.html#refcounted"><code>refcounted</code></a>
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component was not thread-safe due to an incorrect implementation and could deadlock
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under heavy usage conditions. This problem has been corrected.</a>
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</li>
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</ul>
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</p>
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<h2><a name="boost_1_38">Boost 1.38 release</a></h2>
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<p>
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<ul>
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<li>Initial release of Boost.Flyweight.</li>
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</ul>
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</p>
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<hr>
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|
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<div class="prev_link"><a href="future_work.html"><img src="prev.gif" alt="future work" border="0"><br>
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Future work
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</a></div>
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<div class="up_link"><a href="index.html"><img src="up.gif" alt="index" border="0"><br>
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Index
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</a></div>
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<div class="next_link"><a href="acknowledgements.html"><img src="next.gif" alt="acknowledgements" border="0"><br>
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Acknowledgements
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</a></div><br clear="all" style="clear: all;">
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<br clear="all" style="clear: all;">
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<br>
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<p>Revised September 20th 2025</p>
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<p>© Copyright 2006-2025 Joaquín M López Muñoz.
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Distributed under the Boost Software
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License, Version 1.0. (See accompanying file <a href="../../../LICENSE_1_0.txt">
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LICENSE_1_0.txt</a> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">
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http://www.boost.org/LICENSE_1_0.txt</a>)
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</p>
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</body>
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</html>
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