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Jingli Hu 3Jingli Hu 3 

Where is Org metric history

in salesforce winter 2021 release, https://releasenotes.docs.salesforce.com/en-us/winter21/release-notes/rn_general_optimizer_new_features.htm it mentions there is "Org Metric History", but I could not find it anywhere in the preview sandbox.
AbhishekAbhishek (Salesforce Developers) 
The Optimizer App now has even more capabilities to enhance your Salesforce org’s implementation. Use two new features to schedule automatic runs and view org metric history and access seven new metrics to improve security.

Org metric history is included in the Optimizer App.

You can check these release notes (https://resources.docs.salesforce.com/228/latest/en-us/sfdc/pdf/salesforce_winter21_release_notes.pdf).

I hope you find the above information is helpful. If it does, please mark as Best Answer to help others too.

Thanks.
Jingli Hu 3Jingli Hu 3
I saw the release note but could not find Thai function in the preview sandbox.
AbhishekAbhishek (Salesforce Developers) 
Please raise a case with the Salesforce support team for further clarification.