WMF product development process/Plan

Planning and prioritization involve defining the inputs (people, forecasting, resources), outputs (tasks), outcomes (metrics), defining milestones, dependencies and maintenance tasks. These tasks are driven by Product Managers, Engineering and User Experience and may include participation, validation or checkins with Communications, Team Practices, Security, Community Liaisons, API/Services, Release Engineering and Legal teams.

Community communication and documentation checklist – Plan
Initial roadmap is determined, published, and communicated Have a rollback/revert plan - as simple as "We are willing to"