Morning, everyone. The Albanese government is heading for another tricky moment in its attempts to defuse the politically damaging fallout from the immigration detention imbroglio. Our exclusive story shows many more people could be released than previously thought if the government loses the latest legal challenge to the scheme next month. We also reveal a decreasing transparency over what MPs bill taxpayers for ads, the UN confirms last year was the hottest yet, and it turns out some of artist Damien Hirst’s famous preserved animal artworks may have been pickling for less time than was thought.