Still not to spec. And no PKCE? Oy.
"Since September 2019 all spec violations have been addressed by Apple, as recorded in the next section. The section thereafter - "Peculiarities" lists specific implementation choices by Apple that differ from what most implementations provide, but are not spec violations per se."
[0] - https://bitbucket.org/openid/connect/src/default/How-Sign-in...