Update documentation

TRAVIS_JOB_NUMBER=4745.2
TRAVIS_COMMIT_RANGE=d91e626a0b06...cad1f40b022b

pmd_release_notes.html

@@ -1350,12 +1350,30 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
 
 <h3 id="new-and-noteworthy">New and noteworthy</h3>
 
+<h4 id="updated-pmd-designer">Updated PMD Designer</h4>
+
+<p>This PMD release ships a new version of the pmd-designer.
+For the changes, see <a href="https://github.com/pmd/pmd-designer/releases/tag/6.21.0">PMD Designer Changelog</a>.</p>
+
 <h3 id="fixed-issues">Fixed Issues</h3>
 
+<ul>
+  <li>java-errorprone
+    <ul>
+      <li><a href="https://github.com/pmd/pmd/issues/2250">#2250</a>: [java] InvalidLogMessageFormat flags logging calls using a slf4j-Marker</li>
+    </ul>
+  </li>
+</ul>
+
 <h3 id="api-changes">API Changes</h3>
 
 <h3 id="external-contributions">External Contributions</h3>
 
+<ul>
+  <li><a href="https://github.com/pmd/pmd/pull/2251">#2251</a>: [java] FP for InvalidLogMessageFormat when using slf4j-Markers - <a href="https://github.com/kris-scheibe">Kris Scheibe</a></li>
+  <li><a href="https://github.com/pmd/pmd/pull/2253">#2253</a>: [modelica] Remove duplicated dependencies - <a href="https://github.com/pzygielo">Piotrek Żygieło</a></li>
+</ul>
+
 
 
     <div class="tags">
@@ -1372,7 +1390,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2020 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Jan 25, 2020 <br />
+ Site last generated: Jan 26, 2020 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>