prod: whatsnew update

rhornig · rhornig · commit 9eebe8b031a3 · 2021-11-16T14:57:59.000+01:00
diff --git a/WHATSNEW b/WHATSNEW
@@ -1,6 +1,13 @@
 Recent changes in the INET Framework
 ====================================
 
+INET 3.8.1 (November 2021) - stable
+-----------------------------------
+
+Contains compatibility fixes for OMNeT++ 6.0.
+Requires OMNeT++ 5.7 or 6.0 preview 14.
+
+
 INET 3.8 (September 2021) - stable
 ----------------------------------
 
