TIBCO Silver(R) Fabric Enabler for TIBCO Administrator(TM) - Enterprise Edition 2.9.0 HF12 has been released. Here are the release notes:

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Affected Files for 2.9.0 HF012

The following files need to be installed by this hotfix:
- SilverFabric_tibcoadmin_container_2.9.0_HF012_gridlib.zip
- SilverFabric_tibcoadmin_componentType_2.9.0_HF012.zip
   
Note: This hotfix is not platform specific.
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Closed Issues in 2.9.0 HF012 (This Release)

SFTA-136 - (Customer Reported as SR 02196839)
Appears 2 admin process running when TIBCO ADMINISTRATOR is used in FT mode

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The hotfix can be downloaded from the TIBCO Support Customer Portal Web UI, using your username and password for the TIBCO Support Web. Once logged in, the hotfix can be found in the Downloads>Hotfixes Menu under:
AvailableDownloads/Silver/Fabric/Enablers/SFTA/2.9.0/

Alternatively you can use the direct link below to access the Hotfix,
https://support.tibco.com/s/hotfixes?id=a011a000009RyCYAA0