January 2026 monthly summary focused on ARC SAD reliability and API clarity across four repositories. Key features delivered and issues fixed drive business value through more reliable audio descriptor updates and clearer API usage: Key features delivered: - API Parameter Naming Consistency for ShortAudiodescriptorEvent in rdkcentral/entservices-apis: parameter renamed to improve clarity and align docs with implementation. Major bugs fixed: - ARC SAD Update reliability: Audio Descriptor Event Handling Bug Fix in rdkcentral/entservices-inputoutput with improved logging and correct SAD passage to the event handler. - Audio Descriptor Label Processing Bug Fix in rdkcentral/entservices-deviceanddisplay: corrected label typo and validation condition to ensure proper short descriptor state processing. - ARC SAD Auto-Update bug fix in rdkcentral/meta-rdk-video: version bumped from 1.10.1 to 1.10.2 addressing update issues. Overall impact and accomplishments: - Increased reliability of ARC SAD updates across services, reducing stale or missed updates and improving end-user experience. - Improved observability through enhanced logging in critical update paths. - Better API consistency and documentation alignment, reducing developer friction and onboarding time. - Readiness for release with a coherent, versioned fix strategy across repos. Technologies/skills demonstrated: - API design and naming conventions, refactoring for clarity, and cross-repo coordination. - Robust logging and parameter validation improvements. - Version management and release hygiene (semantic versioning and commit coherence). Business value focus: - Faster, more accurate SAD updates translate to improved audio experiences for customers and partners. - Reduced risk of regression through clearer API contracts and better change tracing. - Streamlined maintenance with unified fixes and release-ready changes across the codebase.