TIBCO Silver Fabric 5.8.1 HF-4 has been released
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Introduction

Hotfixes are cumulative. 

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Affected Components for Silver Fabric 5.8.1 HF-4

Broker

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Closed Issues in Silver Fabric 5.8.1 HF-4 (This Release)

Broker
SF-10340 (customer reported as SR 01563593)
Fixes an issue related to an error thrown in Internet Explorer when Cancel/Finish 
is clicked on the Component Edit page.
 

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/5.8.1/

Alternatively you can use the direct link below to access the Hotfix,
https://support.tibco.com/s/hotfixes?id=a011a000009RyBKAA0

Refer TIB_silver_fabric_5.8.1_HF-4_readme.txt attached to this article for full details on the installation instructions and fixes included in the previous HFs.