VERIFIED SOLUTION i
Product Feature: Web Client
When making use of the DropDown.htc control in Portrait Foundation Web Clients, it may be seen that long descriptions given for tool tips appear to be truncated.
This issue has been addressed from version 4.4 Update 4 onwards and can be remedied by the application of Patch TFS-33793 which is available on request from Portrait Support.
UPDATED: August 7, 2017