More information here: https://docs.google.com/document/d/1IN9wHIR79F8I2oUzPX7bQj2yIIQ9RiX8DfHF9OV4-Nk/edit?tab=t.0#heading=h.lm3cevqr2s24
Technical preview feature.

Dcument the new dropdown being added to the Networking section with the options specified in the document. Also add a link to the list of certified versions. Add a note specifying that users must follow the certified versions and also add the relevant custom manifests.