diff --git a/release/doc/en_US.ISO8859-1/relnotes/article.xml b/release/doc/en_US.ISO8859-1/relnotes/article.xml
index 2e948ddb16e7..e1ceb7b3bf14 100644
--- a/release/doc/en_US.ISO8859-1/relnotes/article.xml
+++ b/release/doc/en_US.ISO8859-1/relnotes/article.xml
@@ -920,6 +920,27 @@
       <para revision="281439" arch="arm">Support for the
 	<application>QEMU</application> <literal>virt</literal> system
 	has been added.</para>
+
+      <para revision="282212" contrib="sponsor" sponsor="&msostc;">The
+	HyperV&trade; drivers have been updated with several
+	enhancements:</para>
+
+      <itemizedlist>
+	<listitem>
+	  <para>The &man.hv.vmbus.4; driver now has multi-channel
+	    support.</para>
+	</listitem>
+
+	<listitem>
+	  <para>The &man.hv.storvsc.4; driver now has scatter/gather
+	    support, in addition to performance improvements.</para>
+	</listitem>
+
+	<listitem>
+	  <para>The &man.hv.kvp.4; driver has received several bug
+	    fixes.</para>
+	</listitem>
+      </itemizedlist>
     </sect2>
 
     <sect2 xml:id="hardware-arm">
diff --git a/release/doc/share/xml/sponsor.ent b/release/doc/share/xml/sponsor.ent
index 7f80371a3728..19787a2b32a5 100644
--- a/release/doc/share/xml/sponsor.ent
+++ b/release/doc/share/xml/sponsor.ent
@@ -30,6 +30,7 @@
 <!ENTITY limelight	"Limelight Networks">
 <!ENTITY lsi		"LSI">
 
+<!ENTITY msostc		"Microsoft Open Source Technology Center">
 <!ENTITY mitail		"MIT Computer Science &amp; Artificial Intelligence Laboratory">
 <!ENTITY multiplay	"Multiplay">