March 2026 monthly summary — LedgerHQ/device-sdk-ts (2026-03) Key features delivered - Ethereum Signing Enhancements via Device Action Factories: Introduced device action factories to retrieve Ethereum addresses and sign personal messages, enabling richer and more consistent Ethereum signing flows within the SDK. - App Name Constants Consolidation and Refactor: Centralized hardcoded appName literals into shared APP_NAME constants across multiple app binders, improving maintainability and reducing duplication. Major bugs fixed - No critical bugs reported or tracked in this period. Overall impact and accomplishments - Expanded Ethereum signing capabilities with factory-based device actions, improving developer experience and security boundaries for Ethereum-related operations. - Improved code quality and maintainability by consolidating constants and applying a factory-driven design to device actions, setting a stronger foundation for future features and integrations. - Reduced technical debt related to string literals and duplication, facilitating easier onboarding and faster delivery of related enhancements. Technologies/skills demonstrated - TypeScript/SDK architecture, device action factories, and robust refactoring patterns. - Design of modular, testable actions and centralized constants for cross-binding reuse. - Emphasis on performance, security, and maintainability in a device SDK context. Business value - Provides a more complete and secure Ethereum signing workflow on devices, enabling quicker integration for apps requiring signing capabilities. - Improves maintainability and consistency across app bindings, reducing future maintenance costs and risk while accelerating feature delivery for Ethereum-related capabilities.

February 2026 – LedgerHQ/device-sdk-ts: Stabilized CI toolchain PATH handling and fixed proto PATH resolution to improve build reliability. Delivered PATH setup improvement with a bug fix in the toolchain action (commit 3a528a6e24223db1444b2d6509ba340cb9a3b25e). This work reduces CI flakiness, speeds up PR validation, and demonstrates CI tooling proficiency, environment configuration, and proto tooling in a TypeScript project.

Month: 2026-01 monthly summary for LedgerHQ/ledger-live. Key business value delivered includes robust deeplinking support, hardened swap routing, restored coin-evm broadcasting reliability, and uplifted test quality across the codebase. The work focused on improving user navigation via deeplinks, ensuring accurate swap executions, and maintaining transaction integrity, all while elevating maintainability through linting and test standards. What changed and why it matters: - Deeplinking system enhancements and testing: Safer, more reliable parsing and handling of deep links, reducing user friction and misrouting. This underpins a smoother onboarding and quicker access to features via deep links. - Swap feature improvements and test updates: Hardened routing by enforcing required fields in SwapRoute and refreshed tests, leading to fewer edge-case failures in production swaps and clearer developer feedback. - Coin-evm broadcast and latest block restoration: Restored broadcasting of transactions and retrieval of latest block information, ensuring transaction visibility and correctness in live networks. - Code quality and linting improvements across tests: ESLint directive improvements and consistent type assertions in tests, increasing code quality, reducing false positives, and improving maintainability. Overall impact: Faster, safer deep-link flows; more reliable swaps; robust transaction broadcasting; and a higher quality test/linting baseline, translating to reduced support overhead and faster feature delivery for users and partners.

November 2025 monthly summary for LedgerHQ/device-sdk-ts focusing on code quality, consistency, and reliability improvements. Delivered two features: 1) key naming consistency across the ledger keyring protocol by renaming 'keypair' to 'keyPair' across components; 2) introduced a no-floating-promises ESLint rule to enforce proper promise handling and reduce runtime errors. These changes improve maintainability, onboarding, and long-term stability of the device-sdk-ts. Commits documenting changes provide full traceability: 42f2ae8b62386bcb7261e942c73587409e9e4b6f (Rename keypair to keyPair) and 97d3d222a5bb4fed20ce8a3c175ca2c01aac94bc (changeset entry) for the key rename, and 45f33fcc68f3eedba56967ccc51153bf12d43850 (Add no-floating-promises linter rule).