After upgrading to Open Workbench (OWB) 15.6.1 patch 3, the Show Tips at Startup feature will show as blank when first loaded. When clicking the next tip it will show a tip and if you click previous tip it will show the tip.First Tip:
Release : Open Workbench 2.1.2 (18.104.22.168.001 03 14)
Component : Open Workbench
The issue may go away on it's own, but if not, please open a case with Broadcom support for assistance.
Some information that can help when opening the case: