Mention some recent changes.

NEWS

@@ -25,6 +25,9 @@ Changes since 3.0.4:
     - Changed the way --progress overwrites its prior output in order to make
       it nearly impossible for the progress to get overwritten by an error.
 
+    - An absolute-path filter rule (i.e. with a '/' modifier) no longer loses
+      its modifier when sending the filter rules to the remote rsync.
+
   ENHANCEMENTS:
 
     - Added the --remote-option=OPT (-M OPT) command-line option that is useful
@@ -34,9 +37,10 @@ Changes since 3.0.4:
       control over what is output.  Added an extra type of --progress output
       using --info=progress2.
 
-    - Added the --delete-missing option to delete user-specified files on the
-      receiver that are missing on the sender (normally the absence of user-
-      specified files generates an error).
+    - Added the --delete-missing-args and --ignore-missing-args options to
+      either delete or ignore user-specified files on the receiver that are
+      missing on the sender (normally the absence of user-specified files
+      generates an error).
 
     - Added a "T" (terabyte) category to the --human-readable size suffixes.
 
@@ -70,6 +74,9 @@ Changes since 3.0.4:
 
   DEVELOPER RELATED:
 
+    - The filter code received some refactoring to make it more extendable, to
+      read better, and do better sanity checking.
+
     - Added more conditional debug output.
 
     - Really big numbers are now output using our own big-num routine rather