I rescind this bug report. After further study, I have found alternative solutions to all of the auxiliary parameters except for “fruit:copyfile = yes”.

I would like to ask that TrueNAS provide a method to enable that, or that it be made part of the “Enable Apple SMB2/3 Protocol Extensions” checkbox in SMB Advanced Settings.

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https://ixsystems.atlassian.net/servicedesk/customer/portal/15/group/37/create/153