XP Days Ukraine is an annual conference completely devoted to Agile engineering practices, DevOps, architecture. Talks on the conference will cover all main engineering practices: Unit Testing, TDD, Continuous Integration, BDD, Code Review, Refactoring, Acceptance Testing, etc. Such questions as architecture in Agile projects, technical debt, communication between developers and testers will also be discussed. We will try to invite authors and key developers of different modern development tools that support engineering practices.