In January 2026, the WaltID identity project progressed significantly, delivering a stronger, more secure, and more scalable OpenID Connect/OAuth2 implementation for Orange-OpenSource/waltid-identity. Key improvements include hardening the OAuth2 provider surface and config clarity, a redesigned token/JWT path with robust type-safety, a refactored session/auth layer for extensible pre-auth handling, and expanded test coverage to validate complex multi-client and parallel authentication flows. Security was strengthened with cryptographic randomization for codes/IDs and entropy hardening, while build reliability and code quality were improved through reproducible Gradle configurations and cleanup of deprecated constructs. Overall, these changes reduce risk in production deployments, enable multi-client scenarios with confidence, and accelerate future feature delivery while improving developer experience.

December 2025 monthly summary for Orange-OpenSource/waltid-identity. Key features delivered include OpenID4VCI Web Wallet and Token Service Enhancements with dynamic key resolution and async token generation, Async OAuth2 Flows and API Improvements, and Test Suite/Build Maintenance. Major bug fixes include token repositories fix (WAL-476). The work resulted in improved reliability, scalability, and developer productivity; technologies used include Kotlin, Gradle, OpenID Connect/OAuth2, JWT, and asynchronous programming with suspend functions.

September 2025 monthly summary for Orange-OpenSource/waltid-identity: In September 2025, the project delivered three core features focused on security, reliability, and maintainability for the Orange-OpenSource/waltid-identity repo. Key SD-JWT enhancements improved security and correctness through added _sd_alg, serialization improvements, and robust format validation, supported by expanded end-to-end tests. OIDC4VCI protocol fixes and refactoring improved reliability by correcting typos, decoupling credential offerings from hardcoded strings, and aligning flows with dynamic configuration. Wallet API improvements refined response handling and code quality, reducing churn and streamlining integration. The testing efforts were expanded, including IEFT SD-JWT VC tests without disclosures, driving higher confidence and faster issue detection. Overall, these changes strengthened security, interoperability, and developer productivity, delivering measurable business value and a more maintainable codebase.

August 2025 — Focused on delivering robust OpenID4VCI capabilities, improving provider metadata handling across multiple OpenID drafts, and expanding test coverage, while modernizing tooling and Android integration to reduce maintenance risk and accelerate delivery. Key outcomes include multi-version OpenID Provider Metadata support, a refactored OpenID Credential Wallet with clearer error handling and smoother issuance flow, and expanded end-to-end testing for pre-authorized OpenID4VCI flows. Dependency and tooling upgrades, plus code quality improvements and SD-JWT-Vc testing enhancements, establish a more reliable foundation for upcoming releases and partner integrations.

Concise monthly summary for 2025-07 focusing on test and issuance workflow improvements in the walt-id/waltid-identity repository. Highlights include expanded EBSI pilot DIDs test coverage, a new BatchIssuance testing suite, and robustness fixes to core issuance flows with enhanced validation and matching logic. These efforts improve reliability, safety of releases, and readiness for production deployment while enabling broader scenario validation across Mortgage Eligibility, Verifiable ID, and Passport credentials.

June 2025 performance snapshot for Orange-OpenSource/waltid-identity: Delivered OpenAPI packaging and exchange controller refactor to streamline external integrations and testing, complemented by broad code quality improvements across core modules. Fixed critical parsing and parameter handling issues, enabling more reliable runtime behavior and test coverage. Enabled experimental UUID handling paths to improve serialization stability and validated resolver components with EBSI tests, strengthening interoperability and security posture. Demonstrated strong collaboration between openapi ecosystem work, library structure, and CI/CD hygiene to reduce tech debt and speed future feature delivery.

May 2025 monthly summary for Orange-OpenSource/waltid-identity: Focused on expanding issuance workflows, broadening EBSI interoperability, improving testing coverage, and stabilizing nonce handling to deliver business value more reliably. Key features delivered include Deferred Issuance Flow with IssuanceType support and deferred response enhancements, EBSI Vector Interoperability and Verifier API Enhancements with end-to-end test coverage and pilot env support, and enabling ExperimentalJsExport for cross-platform verification policies. A critical bug fix reworked Credential nonce expiration serialization using DurationAsSecondsSerializer. The team also completed multiple EBSI-related fixes to profile input descriptors, pilot environment, content types, input descriptor IDs/paths, and revocation policy. These efforts improve issuance time-to-value, interoperability across issuer/verifier ecosystems, and overall system reliability.

2025-04 monthly summary for Orange-OpenSource/waltid-identity: Delivered substantial progress in testing and quality improvements. Key deliverables include EBSI-VECTOR interoperability testing examples integrated into the Issuer API (supporting InTime, Deferred, and Pre-Authorized for DRAFT11/13); improved configuration hygiene by removing incorrect testCredential data; and ensured build stability by opting in to ExperimentalUuidApi in the ExplicitClaimStrategy. These changes reduce production misconfig risks, broaden testing coverage, and align with evolving UUID issuance APIs.

February 2025 monthly summary for Orange-OpenSource/waltid-identity: Delivered key features to strengthen token exchange workflows and refined interoperability with OpenID4VCI, while stabilizing the platform through critical bug fixes and test improvements. Highlights include new GrantTypes functionality, OID4VCI token request APIs, batch credential request support, provider metadata enhancements, and wallet-api integration of isolated functions. Coupled with expanded tests and codebase hygiene, these efforts improved reliability, security posture, and time-to-value for token/credential flows.

January 2025 monthly summary for Orange-OpenSource/waltid-identity: Achieved significant enhancements to OpenID Provider metadata/versioning, strengthened the Verifiable Credential flow, and improved CI resilience. Delivered version-aware metadata endpoints, draft-specific serializers, and improved interface for credentialSupport and customParameters; improved VCT resolution and CredentialRequest typing; added tests for credentialOfferUrl; added EBSI API availability check to CI to prevent false failures. These changes collectively improve interoperability, reliability, and developer productivity, with measurable improvements in API robustness and test stability.

December 2024: Delivered core features for WaltID identity, strengthened test coverage, improved API consistency, and enhanced CI/CD reliability. Key features include Draft13 support in Issuer Portal and d11 support across Wallet API/UI; introduced a new test suite; performed code quality refactors; and robust CI/CD updates for EBSI Issuance CT tests, improving deployment reliability and business value.

During 2024-11, the waltid-identity project delivered substantial improvements focused on D10/D13 interoperability, test reliability, and alignment with EBSI CT v3, enabling safer, faster releases and stronger business value. Key features delivered: - Metadata and Issuer API refactor to support Draft10 (D10) and Draft13 (D13): consolidated metadata refactor, issuer API metadata updates, OIDC credentialOffer endpoint relocation, and related metadata class changes to support the new drafts (refactor commits set 81f335..., 52ebbf5..., 5337c8..., 288eae..., b6d959d...). - VCI Draft10 and Draft13 credential Offers: added generation/handling of offers for these drafts, with test and integration support (commits 1741fb7... and 721f46a...). - CI/Tests and test suite improvements: extensive test fixes and coverage enhancements including D10 tests, authorization request tests, JAR tests, and general test structure/style improvements (multiple commits such as 19650b1..., 9cd0bea..., 0e6c934...). Major bugs fixed: - Endpoint and data handling fixes across tests: authorize endpoint, CredentialSupported values, well-known metadata, d10 credentials array, enum entries, VCT/issuer metadata handling, and various test-related issues (commits like 19650b1..., a8780e07..., 0417c066..., 736f324..., 24bc3d5...). - IssuanceSession initialization and data path cleanups: ensure proper initialization of issuance sessions in authorize endpoint and cleanup of IssuanceRequest/CIProvider paths (commits c2e127..., 7c9dbcf...). - Compliance and formatting fixes: update ciTokenKey curve to secp256r1 for EBSI CT v3, timestamp formatting for EBSI credentials, and credential offer URI correctness (a7950a..., 736f324..., d5b6f6d...). - Metadata resolution and API stability: numerous fixes to metadata resolution, casting across flows, and authorization flow stability (commits 9cd0bea..., 776c6bf...). Overall impact and accomplishments: - Business value: accelerated delivery of D10/D13 credential offers, improved interoperability with external VC wallets and EBSI ecosystem, and reduced risk in production with increased test coverage and CI reliability. - Technical achievements: extensive refactors to metadata and issuer APIs, safer endpoint relocation, improved serializer support, standardized authorization flows, and alignment with EBSI CT v3 requirements. Technologies/skills demonstrated: - OIDC and credential offers workflow design, metadata modeling and polymorphic serialization, and endpoint architecture refinements. - Test-driven quality with comprehensive test suite enhancements, D10/D13 testing, and JAR test scenarios. - Security and cryptography alignment through secp256r1 curve updates and robust timestamp/formatting handling.