https://www.wowhead.com/cata/news/cataclysm-classic-rage-of-the-firelands-will-extend-beyond-january-2025-348451

We're also planning to extend the Firelands phase of Cataclysm Classic beyond the previously-announced January end date, to give as many players as possible the chance to experience this legendary raid and craft their very own Dragonwrath, Tarecgosa's Rest.