Worked on the nextcloud/tasks repository to deliver a targeted dependency compatibility upgrade, enabling the Tasks app to support installation on Nextcloud 34 and requiring PHP 8.6 for alignment with current runtimes. The approach focused on minimal, precise code changes by adjusting version caps, ensuring no functional logic was altered. Comprehensive validation covered end-to-end Task app flows, including UI-based creation, listing, and deletion, as well as CalDAV VTODO synchronization and calendar integration. This work in PHP and XML streamlined the upgrade path for users, reduced install-time blockers, and broadened platform support, demonstrating careful release engineering and compatibility testing practices.