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<div><font size="2"><span style="font-size:11pt">Dear users of Herwig and ThePEG,<br>
<br>
We're happy to announce a new major release in the Herwig 7<br>
series, Herwig 7.2.0, with the matching release of ThePEG 2.2.0. <br>
</span></font></div>
<div><font size="2"><span style="font-size:11pt">(At the<font size="2"><span style="font-size:11pt"> same time there is also a new bug fix release in the 7.1 series,</span></font></span></font></div>
<div><font size="2"><span style="font-size:11pt"><font size="2"><span style="font-size:11pt">Herwig 7.1.6, with the matching release of ThePEG 2.1.6, for the LHC experiments.)</span></font><br>
<br>
<span>This version introduces a number of improvements, notably: improvements to the simulation of<br>
</span>
<div>multiple-parton interactions, including diffractive processes; a new model for baryonic colour re-<br>
</div>
<div>connection; spin correlations in both the dipole and angular-ordered parton showers; improvements<br>
</div>
<div>to strangeness production; an improved choice of evolution variable in the angular-ordered parton<br>
</div>
<span>shower; support for generic Lorentz structures in BSM models.</span><br>
</span></font></div>
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Further details can be found in the release note <a href="https://herwig.hepforge.org/release-7-2.pdf" id="LPlnk844512">
https://herwig.hepforge.org/release-7-2.pdf</a><br>
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<div><font size="2"><span style="font-size:11pt">The latest version of the bootstrap script at<br>
<br>
<a href="https://herwig.hepforge.org/herwig-bootstrap" target="_blank" rel="noopener noreferrer">
https://herwig.hepforge.org/herwig-bootstrap</a><br>
<br>
can be used to install all dependencies as well as ThePEG and Herwig<br>
consistently. N.B. from this version we no long support compilers before gcc4.9.<br>
<br>
As always, please contact <herwig@projects.hepforge.org> with any questions or<br>
comments<br>
<br>
With best regards,<br>
<br>
The Herwig developers</span></font><br>
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