Index: head/en_US.ISO8859-1/books/handbook/filesystems/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/handbook/filesystems/chapter.xml
+++ head/en_US.ISO8859-1/books/handbook/filesystems/chapter.xml
@@ -113,10 +113,15 @@
 	read and write to ext2 file systems.</para>
 
       <note>
-	<para>
-	  This driver can also be used to access ext3 and ext4 file
-	  systems.  However, ext3 journaling and extended attributes
-	  are not supported.  Support for ext4 is read-only.</para>
+	<para>This driver can also be used to access ext3 and ext4
+	  file systems.  The &man.ext2fs.5; filesystem has full read
+	  and write support for ext4 as of &os;&nbsp;12.0-RELEASE.
+	  Additionally, extended attributes and ACLs are also
+	  supported, while journalling and encryption are not.
+	  Starting with &os;&nbsp;12.1-RELEASE, a DTrace provider will
+	  be available as well.  Prior versions of &os; can access
+	  ext4 in read and write mode using
+	  <package>sysutils/fusefs-ext2</package>.</para>
       </note>
 
       <para>To access an ext file system, first