For background, the SR2 Tìr na nÓg sourcebook takes you up to 2054. There are a couple of pages in SR4 Sixth World Almanac that bring you up to 2072. There's a paragraph on life in Tìr na nÓg in SR5 Street Magic (p.14), as well as current details on the Daoineann Draoidheil (p.37).