Another problem is also that "standards" like OAuth2/OIDC are used for a thousand use cases that weren't intended by the authors, so people get really creative with them.
Plus the spec itself is vague on many essential things, for example how logout should work.
Thankfully I never had to implement SAML but I would guess it's even worse there...
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Another problem is also that "standards" like OAuth2/OIDC are used for a thousand use cases that weren't intended by the authors, so people get really creative with them. Plus the spec itself is vague on many essential things, for example how logout should work. Thankfully I never had to implement SAML but I would guess it's even worse there...