The "is secure context" state applies to 127.0.0.0/8 (again ignoring IPv6). See NetAddr::IsLoopBackAddressWithoutIPv6Mapping in https://searchfox.org/mozilla-central/source/netwerk/dns/DNS...
I'm pretty sure all of this is clearly specified at this point, so browsers should end up all aligning on a common behavior here at some point, if they haven't yet.
The "is secure context" state applies to 127.0.0.0/8 (again ignoring IPv6). See NetAddr::IsLoopBackAddressWithoutIPv6Mapping in https://searchfox.org/mozilla-central/source/netwerk/dns/DNS...
I'm pretty sure all of this is clearly specified at this point, so browsers should end up all aligning on a common behavior here at some point, if they haven't yet.