Worked on the matplotlib/matplotlib repository to deliver a Python 3.14 compatibility update, focusing on package management and Python development. Updated the trove metadata to explicitly declare support for Python 3.14, ensuring the package remains installable and reliable for users adopting the latest Python release. This change supports downstream projects and deployment pipelines by clarifying upgrade paths and reducing compatibility uncertainty. The work was implemented in Python, emphasizing careful metadata management rather than codebase changes, and did not involve bug fixes during the period. The update enhances release readiness and helps maintainers and users plan for future Python version transitions.