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/6.6.0/hotfix-03.

================================================================================
Closed Issues in 6.6.0_HF-003 (This Release)    

AMBW-39533
The comparative evaluation of boolean with string in XSLT and XPath transition has been fixed.
Use the following system property:
bw.xml.comparable.booleanStringEquality = true

AMBW-39500
The WstxParsingException was thrown for a SOAP reference binding when a SOAP request was sent
after selecting the Authentication and Confidentiality check boxes along with the Apache
HttpComponents implementation library in the HTTP Client shared resource.

AMBW-39474
The HttpCommunicationFaultElementException was thrown for a SOAP reference binding
when a SOAP request was sent after selecting the Confidentiality check box and the
Apache HttpComponents implementation library in the HTTP Client shared resource.

AMBW-39155
An exception occurred when a null value was mapped to date, integer, and boolean data types
element which was not nillable.
Use the following system property:  
bw.xml.comparable.booleanStringEquality = true

AMBW-38946
The obfuscated password for the FTL server was not resolved at runtime when used in
the appspace_config.ini configuration file.

AMBW-38887
The REST API could not retrieve configuration details of an AppNode.

AMBW-38865
The creation of the AppSpace or AppNode on a remote machine using the REST APIs failed.

AMBW-38794
The Send HTTP Request activity did not send the content-id header in the MIME header part
of an HTTP request. The issue was observed when the Apache HttpComponents Implementation Library
was configured in the HTTP Client shared resource.

AMBW-38718
The EMF Validation warning was displayed when invoking a subprocess.

AMBW-38552
When the engine persistence mode was configured as a group mode, with database and TIBCO FTL,
and a primary AppNode was killed, a secondary AppNode did not start the application components.

AMBW-38273
The Destination field in the JMS palette activities did not display any value intermittently
when it was configured using module properties.

AMBW-37817
Support is added for the setQueryTimeout Unsupported method exception.
Set the -Dbw.application.activity.jdbc.setquerytimeout=false property in VM arguments in
TIBCO Business Studio for BusinessWorks to handle the exception.

AMBW-32368
The Add Required Processes operation in TIBCO Business Studio for BusinessWorks took more time
when debugging an application.

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

TIBCO ActiveMatrix BusinessWorks 6.6.0 Hotfix-03 is available

You can also download the hotfix using the below link:
https://support.tibco.com/s/hotfixes?id=a012L00000L7H5oQAF