You can download this HotFix from TIBCO Support Portal (https://support.tibco.com). You will need to provide your TIBCO Support Portal credentials. Once logged in you can the download the hotfix by selecting the “Downloads” -> “Hotfixes” option. Then go to the AvailableDownloads/BusinessWorks/6.3.5/hotfix-03.

================================================================================
Closed Issues in 6.3.5_HF-003(This Release)

AMBW-27321
Modified the unique name generation scheme in the schema cache so there would be no
collisions in complex and simple type names.

AMBW-27508
Connections in the JDBC Query activity did not close when the Process in Subsets
check box was selected, and the last subset was reached in the first loop.
    
AMBW-27519
A session leak was observed when the JMS Send Message activity was used inside
a JMS transaction. At the end of the transaction group execution, when the session
was committed, the producer and the session did not close.

AMBW-27565
Under high load the Get JMS Queue Message activity inside a JMS Transaction block
failed with the exception 'ConcurrentModificationException' at run time.

AMBW-27570
QTP threads for the HTTP Connector shared resource were not released on
application restart.

================================================================================

TIBCO ActiveMatrix BusinessWorks 6.3.5 Hotfix-03 is available

TIBCO ActiveMatrix BusinessWorks 6.3.5 Hotfix-03

You can also download the hotfix using the below link:
https://support.tibco.com/s/hotfixes?id=a011a00000CLD2sAAH