SXSW 2026 reshapes Austin with a shorter, denser seven-day format, concurrent tracks, new Clubhouses, expanded music nights, and a sharper focus on discovery and collision. All You Need To Know SXSW 2026 South by Southwest does not ease into the calendar—it barges in. From March 12 to 18, 2026, Austin once again becomes one of the world’s most concentrated experiments in culture, technology, film, music, and ideas. Known locally...