update release notes

Author: mfthomps

README.md

@@ -89,6 +89,9 @@ The installation script and the update-designer.sh script set environment variab
 so you may want to logout/login, or start a new bash shell before using Labtainers the
 first time.
 
+December 30, 2025
+- Modified checkwork report format to be vertical; video guide for headless; convenience paths
+
 October 15, 2025
 - Revised packet-introspection lab to update link for maxmind geo location database and note use of legacy database.