Haiku R1/beta6 ships with usable Mozilla Firefox for the first time

Haiku R1/beta6, released August 26, 2026, brings Mozilla Firefox to the open-source BeOS-inspired desktop OS in a functional state for the first time. The release closed over 530 tickets after a two-year gap. Firefox support signals that Haiku's POSIX subsystem and graphics stack can now sustain a complex, externally maintained codebase.