October 2025: Delivered a targeted stability improvement for the v4 clients by updating block expiration buffers to align with shorter block times, ensuring short-term orders remain valid and reducing risk of premature expirations. Changes implemented in dydxprotocol/v4-clients via a focused fix (PR #444) and committed as 69dc888e71d057c7b4fe8074991a3bb04cc11dc4.

July 2025 monthly summary for dydxprotocol repositories v4-chain and v4-clients. Key features delivered include Referral Code Management with new API endpoints, validation, and DB integrity, plus updates to tests and mock data. Major bug fixed: corrected getParentSubaccount endpoint mapping in AccountClient to ensure accurate parent subaccount data. Notable enhancement: added proxy support for REST and WebSocket clients, improving reliability in restricted networks. Overall impact: strengthened data integrity and API consistency, improved client connectivity, and reduced risk in referral code workflows and subaccount data retrieval. Technologies demonstrated: API design and versioning, database integrity, test-driven development, REST and WebSocket client configuration, Axios proxy integration, HttpsProxyAgent usage, and repository collaboration.