[release] Boost 1.74.0 beta 1 released

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Boost release 1.74.0 beta 1 is now available at:

<https://dl.bintray.com/boostorg/beta/1.74.0.beta.1/source/>

The SHA256 checksums are as follows:

577a6b575ff2c227e14cce1b929c73d969475e58f3d2ab2901ad234f773bbd12
 boost_1_74_0_b1.7z
ba09c72dc848e7c0904922967014d853897b5a634926c910cc3b1fd627c31605
 boost_1_74_0_b1.tar.bz2
2ccdc39efa076822cf1b359f9449f9d07707f3e27a18b393297b25885a9ff45b
 boost_1_74_0_b1.tar.gz
c267c450166e040a374eaddab5e583cef09f6c3fe96a4db826172d0315c38dd5
 boost_1_74_0_b1.zip

For details of what's in the release, see <
https://www.boost.org/users/history/version_1_74_0.html>.

Please download the beta, give it a try, and report any problems you
encounter.

Issues that were found during the beta release process and will be fixed
for the final 1.74.0 release:
* The Boost.STLInterfaces documentation was left out of the beta.
* Some of the Boost.Geometry documentation files have very long names; this
could cause problems on platforms (like Windows) with shorter limits on
path lengths.
* There is a compile error in Boost.ASIO when compiling with 32-bit
MSVC-14.2 with BOOST_BEAST_NO_TS_EXECUTORS.

Thanks,

-- The Boost Release Team

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<div dir=3D"ltr">Boost release 1.74.0 beta 1 is now available at:<br><br>&l=
t;<a href=3D"https://dl.bintray.com/boostorg/beta/1.74.0.beta.1/source/">ht=
tps://dl.bintray.com/boostorg/beta/1.74.0.beta.1/source/</a>&gt;<br><br>The=
 SHA256 checksums are as follows:<br><br>577a6b575ff2c227e14cce1b929c73d969=
475e58f3d2ab2901ad234f773bbd12 =C2=A0boost_1_74_0_b1.7z<br>ba09c72dc848e7c0=
904922967014d853897b5a634926c910cc3b1fd627c31605 =C2=A0boost_1_74_0_b1.tar.=
bz2<br>2ccdc39efa076822cf1b359f9449f9d07707f3e27a18b393297b25885a9ff45b =C2=
=A0boost_1_74_0_b1.tar.gz<br>c267c450166e040a374eaddab5e583cef09f6c3fe96a4d=
b826172d0315c38dd5 =C2=A0boost_1_74_0_b1.zip<br><br>For details of what&#39=
;s in the release, see &lt;<a href=3D"https://www.boost.org/users/history/v=
ersion_1_74_0.html">https://www.boost.org/users/history/version_1_74_0.html=
</a>&gt;.<br><br>Please download the beta, give it a try, and report any pr=
oblems you encounter.<br><br>Issues that were found during the beta release=
 process and will be fixed for the final 1.74.0 release:<div>* The Boost.ST=
LInterfaces documentation was left out of the beta.</div><div>* Some of the=
 Boost.Geometry documentation files have very long names; this could cause =
problems on platforms (like Windows) with shorter limits on path lengths.</=
div><div>* There is a compile error in Boost.ASIO when compiling with 32-bi=
t MSVC-14.2 with BOOST_BEAST_NO_TS_EXECUTORS.</div><div><br><div>Thanks,<br=
><br>-- The Boost Release Team<br><br></div></div></div>

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