In August 2025, Lena enhanced credential issuance flexibility in the openid/OpenID4VCI repository by refining how Credential Issuer Metadata handles scope and authorization details. She clarified the optional use of the 'scope' parameter and introduced a fallback to 'authorization_details' when the Authorization Server metadata supports it, reducing ambiguity in credential requests. Lena’s work, implemented through targeted documentation in Markdown and leveraging her expertise in OpenID Connect, improved interoperability across diverse Authorization Server implementations. Although the focus was on feature clarity rather than bug fixes, her contribution addressed a nuanced workflow challenge and supported broader client adoption with minimal risk of issuance failures.