vSphere Automation SDK for Perl and vSphere Automation SDK for .NET have been deprecated on August 25, 2020. VMware will stop supporting these SDKs after one year of this announcement. Moving forward, VMware has decided to primarily focus on Python and Java languages and provide a better developer experience for the Python and Java SDKs. Refer the SDK details at GitHub. 

• VMware vSphere Automation SDK for Perl  
• VMware vSphere Automation SDK for .NET

VMware's recommended approach for customers is to use either Sphere Automation SDK for Python or vSphere Automation SDK for Java and migrate their automation script to Python or Java languages. Refer to the GitHub for more details on these SDKs. 

• VMware vSphere Automation SDK for Python  
• VMware vSphere Automation SDK for Java

FAQ

What Is happening?
vSphere Automation SDK for Perl and vSphere Automation SDK for .NET will be deprecated on August 25, 2020.
The vSphere SDK for Perl will be deprecated in the 7.0 U2 release, and discontinued after that.

What is the Perl and .NET SDK?
A way for Perl and .NET developers to create their own custom tools and automation for vSphere using vSphere Automation SDK.

Why is this changing?
VMware is putting more resources into improving the Python, Java, and GO SDKs.

Who's impacted?
Anyone who is leveraging the vSphere Automation SDK for Perl and .NET.

Who's not Impacted?
Anyone who is using vSphere Automation SDK for Java, Python, and Ruby.

What should we use instead?
vSphere Automation SDK for Java or vSphere Automation SDK for Python.