Added Hibana, the first alternative to the essential hard-breacher Thermite.
Introduced the first limited-time PvE event, "Outbreak," which later inspired the spin-off game Rainbow Six Extraction . tom-clancys-rainbow-six-siege-all-dlc
A rare season with no new content, dedicated entirely to fixing technical debt and server stability. Phase 2: Expanding the Meta (Years 3–5) Added Hibana, the first alternative to the essential