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<p>Folks,</p>
<p>The changes to environmental clean-up in version 2.19 were a bit
overzealous. HALLD_VERSIONS was getting cleaned when it should not
have been. Thanks to Tyler Hague for pointing out the error. Find
the release notes for version 2.20 <a moz-do-not-send="true" href="https://github.com/JeffersonLab/build_scripts/releases/tag/2.20">here</a>
and below. This new version is now installed at JLab.<br>
</p>
<p> -- Mark</p>
<p> -----------------------------</p>
<br>
<div class="release-header">
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<div class="f1 flex-auto min-width-0 text-normal"> <a href="https://github.com/JeffersonLab/build_scripts/releases/tag/2.20">build_scripts
2.20</a> </div>
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<ul>
<li>Revert to not cleaning HALLD_VERSIONS.</li>
<li><a href="https://github.com/JeffersonLab/build_scripts/compare/2.19...2.120">Differences
from 2.19</a></li>
</ul>
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