This hot fix can be downloaded from the SFDC Customer Portal Web UI, using your username and password for support.tibco.com.  Once logged on you can find the hotfix under Download Menu :
AvailableDownloads/BusinessWorks/Plugins/Salesforce/6.5.0/hotfix-01

Listed below is a summary of updates included. Please refer to the associated read me document for any additional information.
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Closed Issues in 6.5.0_HF-001 (This Release)

ASFC-1225 : Modify the sObject type lookup to make it generic for derived sObject types

ASFC-1250 : Production application is throwing error for QueryAll for nested sub query

ASFC-1252 : Activity output data validation error in Salesforce plugin
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