During October 2025, François Benaiteau focused on backend development for the wireapp/wire-webapp repository, addressing a critical issue with Apple app linking. He corrected the Apple App Association bundle IDs within AppleAssociationRoute.ts, ensuring alignment with webcredentials.apps and improving the reliability of deep linking for users on Apple devices. Working primarily with TypeScript, François implemented and validated the fix through a single, traceable commit, directly linking the change to the relevant business requirement. This targeted bug fix enhanced cross-platform user experience by reducing support incidents and enabling accurate app identification, reflecting a deep understanding of backend configuration and integration challenges.