March 2026: Key build and reliability enhancements across LedgerHQ/app-ethereum and LedgerHQ/ledger-secure-sdk. Delivered Build System Simplification by removing the make shell command from the Makefile in app-ethereum to streamline builds and reduce command ambiguity. Fixed APDU Stack Management Reliability Bug in ledger-secure-sdk by correcting syntax errors in the stack consumption logic to ensure proper initialization and retrieval of stack values, strengthening APDU processing reliability. Overall impact: faster, clearer builds; more robust APDU handling, contributing to smoother release cycles and improved platform stability. Technologies demonstrated: Makefile-level refactoring, low-level debugging of APDU stack management, and commit-driven development.

February 2026 monthly performance summary focusing on CI/CD modernization and quality gate improvements across LedgerHQ repositories. Implemented pipeline enhancements in Speculos to tighten code quality checks and streamline builds, and upgraded CI/CD workflows in Ledger-secure-sdk to improve branch handling. No major bug fixes recorded this month; the emphasis was on reliability, maintainability, and faster release readiness through improved automation and configuration.

January 2026 highlights across LedgerHQ repositories focused on delivering stronger, more reliable CI/CD pipelines, privacy compliance, and predictable release workflows. Key outcomes include a modernization of Speculos’ CI/CD and a privacy-focused metadata cleanup, plus stabilization of the screenshot-generation CI in the ledger-secure-sdk. These efforts reduce deployment risk, speed up iteration, and improve governance and code quality. Performance and business value: - Reduced manual maintenance by consolidating deployment workflows and migrating Dockerfile logic to a centralized app-builder-deployer path. - Strengthened privacy posture by removing email addresses from project metadata, aligning with new guidelines and reducing data exposure. - Increased pipeline reliability for screenshot generation in the secure SDK, reducing flaky builds and enabling faster feedback loops for validation. Technologies and skills demonstrated: - CI/CD workflow modernization, reusable deployment workflows, and Dockerfile/workflow migrations - Pre-commit configuration for code quality and formatting - Privacy/compliance alignment in project metadata - End-to-end pipeline stabilization for build and test stages

December 2025 — Delivered a focused configuration update in ledger-app-database to improve environment configurability and deployment safety. Updated app-load-params-db.json to remove nanos flags and add flex and apex_p flags for Decred and Decred Test configurations, enabling more reliable environment parity and faster rollout of feature configurations. All changes were implemented with traceable Git history and are ready for inclusion in upcoming releases.