While I appreciate that some phones can be supported by the community, I think it's unreasonable to expect that the community continue support in place of OEMs. Especially ones like Google, that can set the tenor for the entire Android ecosystem.
No SafetyNet, so useless for some of us.
As of May 2022, SafetyNet basic attestation works on CalyxOS by default for the Pixel 3a and later: