The two volume set IFIP 16478-16479 presents a series of revised papers selected from workshops that took place during the 20th IFIP TC13 International Conference on Human-Computer Interaction, INTERACT 2025, held in Belo Horizonte, Brazil during September 10–12, 2025.

The 56 full papers included in this book were carefully reviewed and selected from 94 submissions. They were organized in topical sections as follows: HCI Education and Education for HCI: Current Opportunities and Challenges; Human-Centered Software Engineering: Balancing Interaction, Artificial Intelligence, and Human Value; Navigation for people with disabilities and older people: current challenges and opportunities; Technology Design for and with Neurodivergent Users: Considerations from Research Practices; Engineering Methods for HCI and UX in AI-Driven Systems; Transparent autonomy and human work interaction design; Addressing Global HCI Challenges at the Time of Geopolitical Tensions through Planetary Thinking and Indigenous Methodologies; Effective Map-based Interfaces and Interactions.