Was the errata ever published to fix the issue mentioned in the tracker?
________________________________
From: Bjorn Hjelm <[email protected]>
Sent: Friday, May 22, 2026 4:32 PM
To: Brian Campbell <[email protected]>
Cc: Max Gerber <[email protected]>; [email protected] 
<[email protected]>; Openid-specs-mobile-profile 
<[email protected]>
Subject: [OAUTH-WG] Re: [Openid-specs-mobile-profile] CIBA fields in DCR 
Metadata Registry

Brian is correct and it’s an outstanding item (and errata) that needs to be 
completed.

Kind Regards,
Bjorn

On May 22, 2026, at 9:14 AM, Brian Campbell via Openid-specs-mobile-profile 
<[email protected]> wrote:


I believe the answer lies toward the end of the comments on 
https://bitbucket.org/openid/mobile/issues/206/ciba-iana-actions

On Thu, May 21, 2026 at 3:52 PM Max Gerber 
<[email protected]<mailto:[email protected]>> wrote:
Hey folks,

I noticed that the fields in OpenID CIBA § 
16.2<https://openid.net/specs/openid-client-initiated-backchannel-authentication-core-1_0.html#rfc.section.16.2>
 are missing from the Dynamic Client Registration Metadata 
registry<https://www.iana.org/assignments/oauth-parameters/oauth-parameters.xhtml#client-metadata>.
 Does anybody know why?

Specifically:
- backchannel_token_delivery_mode
- backchannel_client_notification_endpoint
- backchannel_authentication_request_signing_alg
- backchannel_user_code_parameter

Interestingly, the corresponding AS Metadata fields in 
§16.1<https://openid.net/specs/openid-client-initiated-backchannel-authentication-core-1_0.html#ietf-oauth-discoveryIANA>
 are all present in the Authorization Server 
Metadata<https://www.iana.org/assignments/oauth-parameters/oauth-parameters.xhtml#authorization-server-metadata>
 registry:

- backchannel_token_delivery_modes_supported
- backchannel_authentication_endpoint
- backchannel_authentication_request_signing_alg_values_supported
- backchannel_user_code_parameter_supported

Best,
Max
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