--- a/website/BUGS.html
+++ b/website/BUGS.html
@@ -119,6 +119,14 @@
fixed by removing (back it up just in case)
~/.config/Recoll.org/recoll.conf, the QSettings storage for
recoll.</li>
+</ul>
+
+<h2><a name="b_1_21_4">recoll 1.21.4</a></h2>
+<ul>
+ <li>The query language parser interprets incorrectly queries having
+ multiple MIME type or category specifications, with missing
+ results as a consequence. This affects all 1.21 versions up to
+ 1.21.5 where it is fixed.</li>
</ul>
<h2><a name="b_1_21_2">recoll 1.21.2</a></h2>