Clarification on UEBA Behaviors Layer Support for Zscaler and Fortinet Logs

I would like to confirm whether the new UEBA Behaviors Layer in Microsoft Sentinel currently supports generating behavior insights for Zscaler and Fortinet log sources. 

Based on the documentation, the preview version of the Behaviors Layer only supports specific vendors under CommonSecurityLog (CyberArk Vault and Palo Alto Threats), AWS CloudTrail services, and GCP Audit Logs. Since Zscaler and Fortinet are not listed among the supported vendors, I want to verify:

Does the UEBA Behaviors Layer generate behavior records for Zscaler and Fortinet logs, or are these vendors currently unsupported for behavior generation? As logs from Zscaler and Fortinet will also be get ingested in CommonSecurityLog table only.