December 2025 monthly summary for LedgerHQ development across device-sdk-ts and ledger-live. Focused on delivering robust error handling, packaging governance, and aligned DMK ecosystem upgrades to enable smoother internal distribution and higher-quality user experiences.

November 2025 highlights include delivering security and publishing workflow improvements across LedgerHQ devices and Ledger Live, focusing on reliability, security, and developer experience. Key features and fixes delivered, with clear business value and technical achievements, plus updated tests and documentation to reflect releases.

October 2025 — LedgerHQ/device-sdk-ts: Delivered targeted Android BLE pairing error handling fix in the React Native transport layer to improve user feedback during pairing cancellations. The fix maps BleError OperationCancelled to PeerRemovedPairingError, providing more specific errors and reducing user confusion. Commit 654475602681dff30c220a161c1ced86cb8920b0 was applied in the RN transport flow. This work enhances reliability of the Android pairing path and contributes to overall stability of the device SDK.

For 2025-09, Ledger Live delivered cohesive device visuals, Apex integration, and onboarding improvements while stabilizing the end-to-end experience. Key features delivered include: Apex integration across device discovery and visuals; refreshed device icons and UI; a homescreen feature flag with an LLM-powered welcome page for mobile onboarding; and improvements to the custom lock screen UI. Major bugs fixed include: Apex animation style regression fix; masking Lottie animations for end-to-end tests; related doc and changelog updates to keep version tracking in sync. The overall impact: reduced visual regressions, more consistent asset pipelines across assets/icons/UI, faster onboarding for mobile users, and more reliable automated tests, enabling safer, controlled rollouts. Technologies demonstrated: animation tuning (CLS/Lottie), Apex integration in device discovery and assets, asset pipeline improvements, feature flag governance, LLM-based UX, and comprehensive changelog/documentation practices.

Month: 2025-08 – LedgerHQ/ledger-live Key features delivered: - Apex onboarding, assets, and UI enhancements, including Apex device support in onboarding, Apex-specific animations, icons, and onboarding video. - Lottie animation system cleanup and device selection UX improvements, simplifying animations and enhancing usability with DeviceSelectButton and a default device. - UI icon updates for Stax and Flex devices to ensure consistency in onboarding and other flows. - Custom lock screen workflow improvements for a smoother user experience. Major bugs fixed: - Apex My Ledger page could not be opened; bug fixed to restore access for Apex devices. - Translation and localization improvements addressing missing translation. Overall impact and accomplishments: - Expanded device coverage and a cohesive onboarding experience for Apex users, reducing onboarding friction and accelerating time-to-value. - Improved maintainability of animations and UI assets through cleanup and refactoring, with fewer regressions in onboarding visuals. - Achieved consistency across onboarding flows for Stax, Flex, and Apex, plus a more reliable lock screen workflow, contributing to higher user satisfaction and retention. Technologies/skills demonstrated: - Lottie animations lifecycle management and optimization, SVG icon work, and reusable DeviceSelectButton UX patterns. - Translation handling and localization fixes to improve global usability. - CLS workflow adaptation to optimize the custom lock screen experience. - End-to-end feature delivery with a focus on business value and user experience.

2025-07 Monthly summary for LedgerHQ/ledger-live focusing on visual consistency, onboarding polish, analytics reliability, and type architecture. Delivered reusable background components to ensure consistent visuals across themes during setup and backup flows, refined onboarding depth with CHARON shadow UI polish, improved analytics event accuracy for onboarding seed backup and Recovery Key seeding, and centralized onboarding ignored OS update type definitions in a single package.

June 2025 summary: Implemented end-to-end Charon onboarding analytics and status tracking, including seed-origin tracking, new charonStatus state, and granular events across desktop and mobile. Rolled out Charon Seed Backup UX improvements with updated assets, Learn More links, and animated onboarding visuals, plus refined Recovery Key onboarding styling. Addressed tracking and UI stability with several fixes (new tracking events, feedback adjustments, style tweaks, and shadows) to improve reliability and user experience. These efforts deliver actionable telemetry, a smoother onboarding flow, and a stronger foundation for cross-platform consistency.

May 2025: LedgerHQ/ledger-live delivered the NFT Lock Screen Feature Flag llNftSupport to conditionally render the 'Choose from NFT gallery' option on both desktop and mobile lock screens, enabling staged rollout and A/B testing. This work establishes a flag-driven, testable path for NFT-related UX and reduces risk during feature delivery.

April 2025 monthly summary for LedgerHQ/ledger-live. Focused on stability, UX polish, and maintainability improvements enabling safer, scalable releases. Delivered one feature area with a controlled rollout capability and fixed critical UX and WebHID issues to improve user confidence and product reliability.

March 2025 monthly summary for LedgerHQ/device-sdk-ts: Delivered key device actions and configurability enhancements with emphasis on type-safety, test coverage, and developer experience. The work lays the groundwork for robust app lifecycle management on Ledger devices and dynamic provider configuration for rapid integration.

February 2025 (Month: 2025-02) – LedgerHQ/device-sdk-ts: Consolidated secure channel and device management enhancements to strengthen device security, low-level communication, and API coverage. Implemented secure channel establishment, APDU command support, and device authenticity checks, with HTTP-based app management capabilities. The work lays groundwork for remote app lifecycle actions (install/uninstall) and app listing via API, improving security posture and management automation while aligning docs with code changes.

Month: 2025-01 Key features delivered: - WebSocket Integration and Secure Communication for Device Management Kit: Added WebSocket dependencies, URL configuration, and modular separation of WebSocket logic from the manager API to enable real-time device interactions with improved maintainability. - WebSocket data source and modularization: Implemented a dedicated WebSocket data source and decoupled WebSocket connections from the manager API to enhance scalability and testability. Major bugs fixed: - Robust Data Handling for BLE Data (ArrayBuffer validation): Fixed runtime errors caused by non-ArrayBuffer inputs by adding a strict type check to ensure only valid ArrayBuffer data is processed, improving stability in BLE data processing. Overall impact and accomplishments: - Real-time device management capabilities are more reliable and scalable, with clearer separation of concerns that reduces maintenance cost and accelerates future feature work. BLE data processing is now safer and more robust, minimizing runtime exceptions in edge cases. Technologies/skills demonstrated: - TypeScript, WebSocket integration, modular architecture, and strict type validation; improved code quality and maintainability for device integrations.

December 2024: Focused on centralizing API access for the Device Management Kit and improving maintainability. Delivered a refactor to retrieve the Manager API service from the internal API, replacing getMetadataForAppHashes with getManagerApiService, enabling more reliable access and easier future updates. No major bugs recorded this month; emphasis on architecture clean-up and preparing for internal API-driven enhancements. This work reduces coupling to metadata endpoints, improves testability, and demonstrates strong TypeScript refactoring and API design skills.

Concise monthly summary for LedgerHQ/ledger-live focusing on system cleanup and maintenance of deprecated functionality. November 2024 initiatives targeted removal of outdated feature flags to reduce technical debt and maintenance burden, while preserving cross-platform stability and business value.

2024-10 LedgerHQ/ledger-live — Monthly Summary: Delivered onboarding-related improvements via a new feature flag, enabling recoverUpsellRedirection and onboarding personalization. No major bugs fixed this month. Impact: streamlined onboarding, improved UX, and a safer path for upsell experimentation with flag-based rollout. Technologies: feature flags, conditional rendering, onboarding personalization, maintainable code changes.